A
252 plants
- Aarons Beard
- Aarons Rod Golden Banner; Blue Ridge Golden Banner
- Adam and Eve; Putty Root
- Adams Needle; Curly Leaf Yucca
- Addisons Leatherflower; Addisons Leather Fower
- African Indigo
- Akebia; Chocolate Vine; Fiveleaf
- Alabama Arrow Wood; Alabama Arrowwood
- Alabama Azalea
- Alabama Chinquapin
- Alabama Leatherflower
- Alabama Lip Fern; Smooth Lip Fern
- Alabama Rosinweed
- Alabama Snow Wreath
- Alabama Snow Wreath; Chesapeake Blackberry; Chesapeake Black Berry
- Alder Leaf Buckthorn; American Buckthorn
- Alfalfa; Sickle Medic
- Alkali Muhly; Scratchgrass; Scratch Grass
- Alleghany Sedge
- Allegheny Blackberry
- Allegheny Blackberry
- Allegheny Chinquapin
- Allegheny Hawkweed
- Allegheny Hawthorn
- Allegheny Live For Ever
- Allegheny Monkey Flower
- Allegheny Monkey Flower
- Allegheny Mountain Buttercup
- Allegheny Onion
- Allegheny Plum; Allegheny Sloe
- Allegheny Spurge
- Alligator Weed
- Alpine Enchanters Nightshade
- Alpine Enchanters Nightshade
- Alpine Knapweed
- Alpine Oat Grass; Alpine Oagrass; Spike Trisetum
- Alpine Oat Grass; Alpine Oagrass; Spike Trisetum
- Alpine Rock Cress
- Alsike Clover; Swedish Clover
- Alternate Leaf Seedbox
- Amamastla Dock
- Amaryllis; Barbados Lily
- Amazon Sprangletop
- American Alumroot
- American Arbor Vitae; White Cedar
- American Barnyard Grass
- American Barnyard Grass
- American Basswood; American Linden
- American Basswood; American Linden
- American Basswood; American Linden
- American Basswood; American Linden
- American Beautyberry
- American Beech
- American Beech
- American Beech
- American Bitter Cress; Mountain Water Cress
- American Bittersweet
- American Black Elderberry
- American Bugseed; American Bug Seed
- American Bugseed; American Bug Seed
- American Bur Reed
- American Calamus; Sweetflag; Sweet Flag
- American Chestnut
- American Climbing Fern
- American Columbo
- American Cow Wheat
- American Cupscale
- American Cupscale
- American Dittany; Wild Oregano
- American Dog Violet; Alpine Violet
- American Eel Grass
- American Elm
- American Elm
- American Field Chickweed; Prairie Chickweed; American Field Chick Weed; Prairie Chick Weed
- American Figwort; Lance Leaf Figwort
- American Gromwell; American Puccoon; Broadleaf Gromwell; Broadleaf Puccoon
- American Hazelnut; American Filbert
- American Hog Peanut
- American Holly
- American Hornbeam; Blue Beech; Musclewood
- American Hornbeam; Blue Beech; Musclewood
- American Hornbeam; Blue Beech; Musclewood
- American Lily of the Valley
- American Lopseed; American Lop Seed
- American Lotus Lily
- American Lovage; Canadian Licorice Root
- American Manna Grass
- American Manna Grass
- American Marsh Pennywort
- American Marsh Willow Herb; Bog Willow Herb
- American Millet
- American Millet
- American Mistletoe
- American Mistletoe
- American Mountain Ash
- American Mountain Ash; Canadian Burnet
- American Pennyroyal
- American Persimmon
- American Pillwort
- American Plum; Wild Plum
- American Pokeweed
- American Queen Anne''s Lace; American Wild Carrot
- American Red Raspberry; Red Raspberry; American Red Rasp Berry; Red Rasp Berry
- American Self Heal; American Heal All
- American Silverberry; American Silver Berry
- American Slough Grass; American Sloughgrass
- American Smoke Tree
- American Snowbell
- American Snowbell
- American Speedwell; American Brooklime
- American Spikenard
- American Stinging Nettle
- American Stinging Nettle
- American Trout Lily; Dog Tooth Violet
- American Trout Lily; Dog Tooth Violet
- American Vetch; Purple Vetch
- American Vetch; Purple Vetch
- American Water Horehound
- American Water Plantain; Southern Water Plantain
- American Water Willow
- American Waterwort
- American Wild Plum
- American Wild Senna; Northern Wild Senna
- American Wisteria; Wisteria
- American Wisteria; Wisteria
- American Wisteria; Wisteria
- American Witch Grass
- American Woodland Strawberry
- Amur Corktree
- Amur Honeysuckle
- Amur Maple
- Amur Peppervine
- Amur Privet
- Ancient Prairie Sedge
- Angle Pod
- Angle Stem Beaksedge
- Angle Stem Primrose Willow
- Angled False Bindweed
- Anise Root; Smooth Sweet Cicely; Longstyle Sweet Cicely
- Annual Bastard Cabbage
- Annual Bluegrass; Poanna Grass
- Annual Canary Grass
- Annual Candytuft
- Annual Fimbry
- Annual Green Head Sedge
- Annual Knawel; German Knotgrass
- Annual Mercury; Boysandgirls; Herb Mercury; Boys And Girls
- Annual Phlox; Drummond Phlox
- Annual Phlox; Drummond Phlox
- Annual Rabbitfoot Grass; Annual Beard Grass
- Annual Sand Bean; Trailing Fuzzy Bean; Amberique Bean; Annual Sandbean; Trailing Fuzzybean
- Annual Vernal Grass
- Annual Wallrocket; Sandrocket; Stinking Wallrocket; Annual Wall Rocket; Sand Rocket; Stinking Wall Rocket
- Annual Water Aster; Annual Yard Aster
- Appalachian Avens
- Appalachian Barren Strawberry
- Appalachian Black Cohosh; Appalachian Bugbane
- Appalachian Blue Monkshood; Southern Blue Monkshood; Eastern Blue Monkshood
- Appalachian Bristle Fern; Appalachian Filmy Fern
- Appalachian Bunch Flower
- Appalachian Clasping Aster; Late Purple Aster
- Appalachian Cliff Fern
- Appalachian Clubmoss
- Appalachian Cow Wheat
- Appalachian Cutleaf Coneflower
- Appalachian Draba; Branched Draba
- Appalachian Dwarf Gentian
- Appalachian False Bindweed
- Appalachian False Goats Beard
- Appalachian Gentian
- Appalachian Golden Rod; Mountain Goldenrod
- Appalachian Gooseberry
- Appalachian Grass of Parnassus; Kidney Leaf Grass of Parnassus
- Appalachian Groundsel; Appalachian Ragwort; Balsam Groundsel; Appalachian Rag Wort
- Appalachian Hedge Nettle
- Appalachian Indigo Bush; Mountain Indigo Bush
- Appalachian Ironweed; Tawny Ironweed; Appalachian Iron Weed; Tawny Iron Weed
- Appalachian Little Brown Jug; Ruths Little Brown Jug
- Appalachian Milkwort; Curtiss Milkwort
- Appalachian Mock Orange
- Appalachian Mountain Golden Banner; Allegheny Mountain Golden Banner
- Appalachian Mountain Mint; Thin Leaf Mountain Mint
- Appalachian Oak Fern; Appalachian Oakfern
- Appalachian Orange Coneflower
- Appalachian Pinweed; Illinois Pinweed
- Appalachian Polypody; Appalachian Rock Cap Fern
- Appalachian Quillwort
- Appalachian Ragwort
- Appalachian Ragwort; Smalls Ragwort; Scotch Thistle; Ed Got Me Thistle; Appalachian Rag Wort; Smalls Rag Wort; Edgotme Thistle
- Appalachian Ragwort; Smalls Ragwort; Scotch Thistle; Ed Got Me Thistle; Appalachian Rag Wort; Smalls Rag Wort; Edgotme Thistle
- Appalachian Rosinweed
- Appalachian Sandwort ;Appalachian Stitchwort
- Appalachian Sedge
- Appalachian Shoestring Fern; Appalachian Gametophyte
- Appalachian Small Flower Phacelia
- Appalachian Sunflower; Purpledisk Sunflower
- Appalachian Tall Meadow Rue; Appalachian Tall Meadowrue; Waxyleaf Meadowrue; Waxyleaved Meadowrue; Waxy Leaf Meadowrue; Waxy Leaved Meadowrue; Waxyleaf Meadow Rue; Waxyleaved Meadow Rue; Waxy Leaf Meadow Rue; Waxy Leaved Meadow Rue
- Appalachian Turtlehead; Pink Turtlehead
- Appalachian Twayblade; Smalls Twayblade; Kidney Leaf Twayblade
- Appalachian Waterleaf; Eastern Waterleaf; Appalachian Water Leaf; Eastern Water Leaf
- Appalachian White Snake Root; Appalachian Milk Poison
- Appalachian Wild Bergamot; Appalachian Wild Bee Balm
- Appalachian Wild Bergamot; Appalachian Wild Bee Balm
- Apple Mint; Pineapple Mint; Roundleaved Mint; Roundleaf Mint; Round Leaved Mint; Round Leaf Mint; Applemint; Wooly Mint; Pineapplemint; Woolymint
- Apple Mint; Pineapple Mint; Roundleaved Mint; Roundleaf Mint; Round Leaved Mint; Round Leaf Mint; Applemint; Wooly Mint; Pineapplemint; Woolymint
- Apple Of Peru
- Arkansas Calamint; Limestone Calamint
- Arkansas Manna Grass
- Arnot Bristly Locust
- Aromatic Aster; Shale Barren Aster
- Arrow Bamboo
- Arrow Feather Three Awn
- Arrow Leaf Clover
- Arrow Leaf Tearthumb; Arrowleaf Tear Scratchgrass
- Arrow Leaf Violet; Arrow Head Violet
- Arrow Leaf Violet; Northern Downy Violet
- Arrow Leaf Violet; Northern Downy Violet
- Arrow Wood; Southern Arrowwood; Arrowwood; Southern Arrow Wood
- Arrowfeather Three Awn
- Arrowhead Rattlebox
- Artillery Weed; Artillery Plant
- Ash Leaf Golden Banner
- Ashe''s Hawthorn
- Ashes Witch Grass
- Ashy Hydrangea
- Ashy Sunflower
- Asian Beautyberry
- Asian Crabgrass
- Asian Flatsedge; Asian Flat Sedge
- Asian Watermeal
- Asiatic Dayflower
- Asiatic Green Head Sedge
- Asiatic Holly Fern; Asian Net Veined Holly Fern
- Asiatic Holly Fern; Fortunes Net Veined Holly Fern
- Asparagus
- Atlantic Mud Plantain; Atlantic Mudplantain; Few Flowered Mud Plantain; Fewflowered Mud Plantain; Few Flower Mud Plantain; Fewflower Mud Plantain; Few Flowered Mudplantain; Fewflowered Mudplantain; Few Flower Mudplantain; Fewflower Mudplantain
- Atlantic White Cypress; Atlantic White Cedar; Southern White Cedar
- Aucuba; Japanese Laurel; Spotted Laurel
- Augustine Grass
- Autumn Adonis; Birds Eye; Pheasants Eye; Birdseye; Pheasantseye
- Autumn Bluegrass
- Autumn Coral Root
- Autumn Fern; Japanese Red Shield Fern
- Autumn Goldenrod; Fall Goldenrod
- Autumn Onion; Glade Onion; Prarie Onion
- Awned Halfchaff Sedge
- Awnless Wild Rye
- Axilflower
- Axilflower
- Axillary Goldenrod; Buckleys Goldenrod; Axillary Golden Rod; Buckleys Golden Rod
- Azure Aster
- Azure Aster
B
398 plants
- Bahia Grass
- Baileys Sedge
- Bald Bedstraw
- Bald Bedstraw
- Bald Cypress
- Baldwins Flat Sedge
- Baldwins Spikerush; Baldwins Spike Rush
- Balkan Bladder Campion; Balkan Catchfly; Balkan Catch Fly
- Balkan Clary; Wood Sage
- Ball Clover; Small White Clover
- Balloon Vine; Love In A Puff; Heart Seed
- Balm of Gilead
- Balsam Fir; Northern Balsam; Blister Pine; Fir Pine
- Balsam Groundsel
- Balsam Mountain Gentian
- Balsam Mountain Hawthorn; Balsam Mountain Haw Thorn
- Balsam Poplar; Hackmatack; Tacamahac; Balsampappel
- Balsam Ragwort
- Baltic Rush
- Baltic Rush
- Barbed Rattlesnake Root
- Barbed Rattlesnake Root; Flatwoods Rattlesnake Root; Prairie Lions Foot; Barbed Rattlesnakeroot; Flatwoods Rattlesnakeroot
- Barberry Hawthorn
- Barley
- Barnabys Thistle; Yellow Star Thistle; Yellow Starthistle
- Barnyard Grass; Barnyardgrass
- Barratts Sedge
- Barrelhead Blazing Star; Barrelhead Gayfeather; Ontario Blazing Star; Ontario Gayfeather
- Barren Brome; Poverty Brome; Cheat Grass
- Barren St. Johnswort; Round Seed St. Johnswort
- Barren Strawberry
- Barrens Milkweed; Prairie Milkweed; Green Milkweed
- Barrens Silky Aster
- Bartleys Firmoss; Bartleys Fir Moss
- Bashful Bulrush; Bashful Bul Rush
- Basil Mountain Mint
- Basket Grass; Carpet Grass
- Basket Grass; Carpet Grass
- Basket Oak; Swamp Chestnut Oak'' Cow Oak
- Basket Willow; Purple Willow; Purple Osier; Purple Osier Willow
- Bay Forget Me Not
- Bay Forget Me Not
- Beach False Foxglove
- Beach False Foxglove
- Beadles Mountain Mint
- Beak Panic Grass
- Beak Panic Grass
- Beaked Corn Salad
- Beaked Dodder
- Beaked Hawksbeard; Beaked Hawks Beard
- Beaked Hawksbeard; Beaked Hawks Beard
- Beaked Hawkweed; Queendevil
- Beaked Hazel Nut; Beaked Hazelnut
- Beaked Hazel Nut; Beaked Hazelnut
- Beaked Spikerush; Beaked Spike Rush
- Beaked Trout Lily
- Bear Corn; American Cancer Root
- Bear Huckleberry; Mountain Huckleberry
- Bear Oak; Scrub Oak
- Bearberry; Highbush Cranberry; Southern Mountain Cranberry
- Bearberry; Kinnikinick; Bear Berry
- Bearded Beggar Ticks
- Bearded Flat Sedge
- Bearded Flat Sedge
- Bearded Milkvetch; Southern Milkvetch
- Bearded Skeleton Grass
- Bearded Sprangletop
- Bearded Wheatgrass; Slender Wheatgrass; Bearded Wheat Grass; Slender Wheat Grass
- Bearded Wheatgrass; Slender Wheatgrass; Bearded Wheat Grass; Slender Wheat Grass
- Bears Foot; Leaf Cup
- Beautiful Hawthorn; Beautiful Haw Thorn
- Beautiful Hawthorn; Beautiful Haw Thorn
- Beautybush; Beauty Bush
- Bedstraw St. Johnswort; Bed Straw St. Johnswort; Bedstraw St. Johns Wort; Bed Straw St. Johns Wort
- Beechdrops
- Bent Avens
- Bent Awn Plume Grass
- Bent Sedge
- Bent Trillium; Nodding Trillium
- Bermuda Grass
- Betony Leaf Noseburn
- Bicknell''s Agrimony
- Bicknells Witch Grass; Bicknells Rosette Grass; Bicknells Witchgrass; Bicknells Rosettegrass
- Bicknells Yellow Flax; Sandplain Flax
- Biennial Gaura; Biennial Beeblossom
- Biennial Wormwood; Biennial Worm Wood
- Bifid Hemp Nettle; Bifid Hempnettle
- Big Bishopweed; Ribbed Mock Bishopweed
- Big Bluestem
- Big Carpetgrass; Big Carpet Grass
- Big Devils Beggar Ticks
- Big Fruit Evening Primrose
- Big Fruit Evening Primrose
- Big Gallberry; Sweet Gallberry; Big Gall Berry; Sweet Gall Berry
- Big Leaf Pond Weed
- Big Leaf Snowbell
- Big Marshelder; Burweed Marshelder; Carelessweed; Giant Sumpweed; Big Marsh Elder; Burweed Marsh Elder; Careless Weed; Giant Sump Weed; Bur Weed Marsh Elder; Bur Weed Marshelder
- Big Seed Alfalfa Dodder
- Big Spore Quill Wort; Big Spored Quill Wort; Bigspore Quill Wort; Bigspored Quill Wort; Big Spore Quillwort; Big Spored Quillwort; Bigspore Quillwort; Bigspored Quillwort; Lake Quill Wort; Lake Quillwort
- Bigleaf Magnolia
- Bigleaf Wood Aster
- Bigpodded Sesbania; Sesban; River Hemp
- Bigtooth Aspen
- Bigtop Love Grass
- Biltmore Carrion Flower
- Biltmore Hawthorn
- Biltmore Sedge
- Biltmore White Ash
- Bindweed; Black Bindweed
- Bird Foot Violet
- Bird Foot Violet
- Bird Spiderflower; Iberian Spiderflower; Bird Spider Flower; Iberian Spider Flower
- Birdeye Speedwell
- Birds Foot Trefoil; Eggs And Bacon
- Bishops Cap; Miterwort
- Bitter Dock; Broad Leaf Dock
- Bitter Milkwort; Raceme Milkwort
- Bitternut Hickory
- Bitterweed; Sneezeweed
- Black Alder; European Alder
- Black Ash
- Black Belt Blackeyed Susan; Blackland Coneflower
- Black Belt Clasping Aster
- Black Cherry
- Black Cherry
- Black Chokeberry
- Black Cohosh; Black Snakeroot
- Black Edge Sedge
- Black Footed Quillwort
- Black Fruited Spike Rush; Black Fruited Spikerush; Blackfruited Spikerush; Blackfruited Spike Rush; Blackfruit Spikerush; Blackfruit Spike Rush; Black Fruit Spikerush; Black Fruit Spike Rush
- Black Hickory
- Black Huckleberry
- Black Locust
- Black Locust; Bristly Locust
- Black Maple
- Black Medick
- Black Mulberry
- Black Mustard
- Black Nightshade; Black Night Shade
- Black Oak
- Black Poplar; Lombardy Poplar
- Black Raspberry
- Black Seed Plantain; Rugels Plantain
- Black Seed Rice Grass
- Black Senna
- Black Spruce
- Black Swallow Wort; Louises Swallow Wort; Black Swallowwort; Louises Swallowwort
- Black Walnut
- Black Willow
- Blackberry Lily
- Blackeyed Pea; Field Pea; Cowpea; Black Eye Pea; Common Cowpea; Cow Pea; Wild Cow Pea; Yard Long Bean; Common Cow Pea; Wild Cowpea; Yard Longbean
- Blackeyed Susan
- Blackeyed Susan
- Blackfoot Rush; Blackgrass; Saltmarsh Rush; Saltmeadow Rush; Black Foot Rush; Black Grass; Salt Marsh Rush; Salt Meadow Rush
- Blackfooted Quillwort
- Blackfruited Clear Weed; Black Fruited Clear Weed; Black Fruit Clear Weed; Blackfruit Clear Weed; Blackfruited Clearweed; Black Fruited Clearweed; Black Fruit Clearweed; Blackfruit Clearweed; Lesser Clear Weed; Lesser Clearweed
- Blackjack Oak
- Blackjack Oak
- Blackseed Ricegrass; Black Seed Ricegrass; Blackseeded Ricegrass; Black Seeded Ricegrass; Blackseed Rice Grass; Black Seed Rice Grass; Blackseeded Rice Grass; Black Seeded Rice Grass; Mountain Ricegrass; Mountain Rice Grass
- Blackstemmed Spleenwort
- Blackthorn Plum
- Bladder Campion; Maidens Tears
- Bladdernut; Possum Cods
- Bladderpod; Bladder Pod; Bagpod; Bag Pod
- Bleeding Heart; Turkey Corn
- Blessed Thistle
- Blind Eyes Poppy
- Blister Sedge; Inflated Sedge
- Blood Milkwort; Purple Milkwort
- Bloodflower Milkweed
- Bloodleaf
- Bloodroot
- Blue Ash
- Blue Bead Lily
- Blue Cohosh
- Blue Ground Cedar; Blue Ground Pine
- Blue Mistflower; Mist Flower
- Blue Mud Plantain
- Blue Mustard; Crossflower
- Blue Ridge Barbaras Buttons; Monongahela Barbaras Buttons; Large Flowered Barbaras Buttons; Large Flower Barbaras Buttons; Largeflowered Barbaras Buttons; Largeflower Barbaras Buttons
- Blue Ridge Beard Tongue; Smalls Beard Tongue
- Blue Ridge Bitter Cress
- Blue Ridge Bitter Cress
- Blue Ridge Blueberry
- Blue Ridge Blueberry; Hillside Blueberry; Blue Ridge Blue Berry; Hillside Blue Berry
- Blue Ridge Carrionflower; Midwest Carrion Flower
- Blue Ridge Goldenrod; Skunk Goldenrod
- Blue Ridge Sedge
- Blue Ridge Sedge
- Blue Ridge Sedge; Northern Woodland Sedge; Blueridge Sedge; Northern Wood Land Sedge
- Blue Ridge Skullcap
- Blue Ridge St. Johnswort
- Blue Rodge Three Lobed Coneflower
- Blue Sage; Prairie Azure Sage
- Blue Sage; Prairie Azure Sage
- Blue Scorpiongrass; Strict Forget Me Not; Blue Scorpion Grass; Strict Forgetmenot; Small Flowered Forget Me Not; Small Flower Forget Me Not; Smallflowered Forget Me Not; Smallflower Forget Me Not; Small Flowered Forgetmenot; Small Flower Forgetmenot; Smallflowered Forgetmenot; Smallflower Forgetmenot
- Blue Sedge
- Blue Stem Goldenrod; Wreath Goldenrod
- Blue Water Hyssop
- Blue Wood Aster; Eastern Silvery Aster; Heart Leaved Aster; Heart Leaf Aster; Heartleaved Aster; Heartleaf Aster
- Bluejack Oak; Blue Jack Oak
- Bluejacket Spiderwort; Ohio Spiderwort
- Bluejoint; Canada Reed Grass
- Bluejoint; Canada Reed Grass
- Bluejoint; Canada Reed Grass
- Blunt Broom Sedge
- Blunt Broom Sedge
- Blunt Leaf Bedstraw
- Blunt Leaf Bedstraw
- Blunt Leaf Bedstraw
- Blunt Lobe Cliff Fern
- Blunt Lobe Cliff Fern
- Blunt Lobe Grape Fern
- Blunt Spike Rush
- Bog Blueberry; Bog Blue Berry
- Bog Blueberry; Bog Blue Berry
- Bog Bunchflower; Virginia Bunch Flower
- Bog Fern; Massachusetts Fern
- Bog Jack In The Pulpit
- Bog Loosestrife; Bog Candles; Swamp Candles; Earth Loosestrife
- Bog Oat Grass
- Bog Rosemary
- Bog Rosemary
- Bog Rush
- Bog Smartweed
- Bog St. Johns Wort; Creeping St. Johns Wort
- Bog Stitchwort; Bog Chickweed; Bog Starwort
- Bog Witch Grass
- Bog Yellow Eyed Grass
- Bohemian Knotweed; Bohemian Knot Weed
- Bohemian Knotweed; Japanese Hybrid Kbotweed
- Bootts Goldenrod
- Borage
- Border Privet
- Border Privet
- Boscs Bluet; Boscs Mille Graines
- Boscs Witch Grass; Boscs Panic Grass
- Boston Ivy
- Bottle Gourd; Calabash Gourd; Bottle Gourd; Calabazo
- Bottle Gourd; Calabash Gourd; Bottle Gourd; Calabazo
- Bottlebrush Grass
- Bottlebrush Sedge; Porcupine Sedge
- Bottomland Aster
- Bottomland Aster
- Bottomland Broomrape
- Bottomland Skullcap; Veiny Skullcap
- Bougainvillea Golden Rain Tree
- Bouquet Mud Plantain
- Box Huckleberry
- Boxelder
- Boxwood; Box Wood
- Boykins Cluster Pea
- Boykins Lobelia
- Boykins Milkwort
- Boykins Milkwort
- Boyntons Hawthorn
- Boyntons Locust; Bristly Locust; Rose Acacia; Rose Locust
- Bradleys Spleenwort
- Branched Bur Reed
- Branching Broomrape; Hemp Broomrape
- Brauns Erigeron; Brauns Fleabane; Brauns Flea Bane
- Brauns Erigeron; Brauns Fleabane; Brauns Flea Bane
- Brauns Rock Cress
- Brazilian Catsear; Brazilian Cats Ear
- Brazilian Vervain
- Brazilian Water Weed; Brazilian Elodea
- Brazilian Watermeal
- Brewers Hops; European Hops; Common Hops
- Brewers Hops; European Hops; Common Hops
- Bridal Wreath Spiraea
- Bridal Wreath Spiraea
- Bridalwreath Spiraea; Plumleaf Spiraea
- Bristle Seed Star Grass
- Bristle Stalk Sedge; Harpers Sedge
- Bristleleaf Sedge; Ebony Sedge
- Bristly Buttercup
- Bristly Carolina Rose
- Bristly Dewberry
- Bristly Flat Sedge
- Bristly Greenbrier
- Bristly Greenbrier
- Bristly Hawksbeard; Bristly Hawks Beard
- Bristly Locust
- Bristly Mallow
- Bristly Sarsaparilla
- Bristly Scaleseed; Bristly Spermolepis
- Bristlystalked Sedge; Bristly Stalk Sedge; Bristly Stalked Sedge; Bristlystalk Sedge
- Brittle Fern; Fragile Fern
- Brittle Naiad; Brittle Water Nymph
- Brittons Eupatorium; Upland Boneset
- Brittons Eupatorium; Upland Boneset
- Brittons Spike Rush;
- Broad Beech Fern
- Broad Leaf Arrow Head; Common Arrow Head
- Broad Leaf Arrow Head; Common Arrow Head
- Broad Leaf Barbaras Buttons
- Broad Leaf Enchanters Nightshade
- Broad Leaf Helleborine
- Broad Leaf Phlox; Large Leaf Phlox
- Broad Leaf Pink Purslane; Broad Leaved Pink Purslane; Broadleaf Pink Purslane; Broadleaved Pink Purslane
- Broad Leaf Tickseed
- Broad Leaf Witch Grass
- Broad Lipped Tway Blade; Broad Lipped Twayblade; Broadlipped Tway Blade; Broadlipped Twayblade; Broadleaved Tway Blade; Broadleaf Tway Blade; Broad Leaved Tway Blade; Broad Leaf Tway Blade; Broadleaved Twayblade; Broadleaf Twayblade; Broad Leaved Twayblade; Broad Leaf Twayblade; Broad Lipped Listera; Broadlipped Listera
- Broad Looseflower Sedge
- Broad Tooth Hedge Nettle
- Broadleaf Arrowhead; Broadleaved Arrowhead; Broad Leaf Arrowhead; Broad Leaved Arrowhead; Broadleaf Arrow Head; Broadleaved Arrow Head; Broad Leaf Arrow Head; Broad Leaved Arrow Head
- Broadleaf Bamboo
- Broadleaf Bushy Eupatorium; Broadleaved Bushy Eupatorium; Broad Leaf Bushy Eupatorium; Broad Leaved Bushy Eupatorium; Wedgeleaf Eupatorium; Wedgeleaved Eupatorium; Wedge Leaf Eupatorium; Wedge Leaved Eupatorium
- Broadleaf Enchanters Nightshade
- Broadleaf Pondlily; Yellow Pond Lily
- Broadleaf Sedge
- Broadleaf Signal Grass
- Broadleaf Wood Violet; Broad Leaf Wood Violet; Broad Leaved Wood Violet; Broadleaved Wood Violet
- Broadleaved Meadow Sweet; Broad Leaved Meadow Sweet; Broad Leaf Meadow Sweet; Broadleaf Meadow Sweet; Broadleaved Meadowsweet; Broad Leaved Meadowsweet; Broad Leaf Meadowsweet; Broadleaf Meadowsweet
- Broadleaved Spurge; Broad Leaved Spurge; Broadleaf Spurge; Broad Leaf Spurge
- Broadwing Sedge
- Brome Fescue
- Bromelike Sedge
- Bromelike Sedge
- Bronze Sedge
- Brook Lettuce
- Brook Saxifrage; Eastern Boykinia
- Broom Corn Millet
- Broom Corn Millet
- Broom Sedge
- Broom Weed; Wire Weed; Broomweed; Wireweed;
- Broom; Scotch Broom
- Broomsedge
- Broomsedge
- Brown Knapweed; Brown Knap Weed; Brownray Knapweed; Brown Ray Knapweed; Brownray Knap Weed; Brown Ray Knap Weed
- Browneyed Susan; Brown Eyed Susan; Blue Ridge Three Lobe Cone Flower; Blue Ridge Three Lobed Cone Flower; Blue Ridge Threelobe Cone Flower; Blue Ridge Threelobed Cone Flower; Blue Ridge Three Lobe Coneflower; Blue Ridge Three Lobed Coneflower; Blue Ridge Threelobe Coneflower; Blue Ridge Threelobed Coneflower
- Browneyed Susan; Chaunceys Coneflower
- Brownish Beaksedge
- Brownish Sedge
- Brownish Sedge
- Browntop Millet; Dixie Signalgrass
- Browntop Signalgrass; Brown Top Signalgrass; Brown Top Signal Grass; Browntop Signal Grass; Browntopped Signalgrass; Brown Topped Signalgrass; Brown Topped Signal Grass; Browntopped Signal Grass
- Browntop Signalgrass; Brown Top Signalgrass; Brown Top Signal Grass; Browntop Signal Grass; Browntopped Signalgrass; Brown Topped Signalgrass; Brown Topped Signal Grass; Browntopped Signal Grass
- Bruces Clubmoss; Bruces Club Moss
- Buckbean; Bogbean; Buck Bean; Bog Bean
- Buckbush Holly; Chapmans Holly
- Buckthorn Bumelia; Buckthorn Bully; Buckthorn
- Buckwheat Vine; Ladies Eardrops
- Buckwheat; Common Buckwheat
- Buffalo Bur Nightshade
- Buffalo Clover
- Buffalo Currant; Golden Currant
- Buffalo Currant; Golden Currant
- Buffalo Grass; Buffalograss
- Buffalo Nut; Oil Nut
- Buffel Grass
- Bulblet Bladderfern
- Bulbous Adders Tongue
- Bulbous Bitter Cress
- Bulbous Bluegrass
- Bulbous Buttercup; St. Anthonys Turnip
- Bulbous Wood Rush
- Bull Crown Grass
- Bull Thistle
- Bumpy Blue Eyed Grass
- Bunch Flowered Narcissus
- Bunched Arrowhead; Bunched Arrow Head
- Bundle Flower; Prairie Mimosa
- Bur Chervil; Bur Parsley
- Bur Clover; Burdock Clover; Lappa Clover
- Bur Oak; Mossycup Oak; Mossy Cup Oak
- Bur Oak; Mossycup Oak; Mossy Cup Oak
- Bur Reed Sedge
- Burks Smooth Rockcress
- Burning Nettle
- Bush Hawthorn
- Bushs Goosefoot
- Bushs Muhly
- Bushs Sedge
- Bushs Skullcap; Bushs Skull Cap
- Bushy Bittercress; Bushy Bitter Cress; Narrowleaf Bittercress; Narrowleaved Bittercress; Narrow Leaf Bittercress; Narrow Leaved Bittercress; Narrowleaf Bitter Cress; Narrowleaved Bitter Cress; Narrow Leaf Bitter Cress; Narrow Leaved Bitter Cress
- Bushy Bluestem
- Bushy Goldentop; Mississippi Valley Goldentop
- Bushy Knotweed
- Bushy Knotweed
- Bushy Knotweed; Long Fruit Knotweed
- Butlers Sand Parsley
- Butter and Eggs; Yellow Toadflax
- Butterfly Milkweed
- Butterfly Pea
- Butterfly Pea
- Butterfly Pea; Spoon Flower; Pigeonwings
- Butterfly Pea; Spoon Flower; Pigeonwings
- Butternut; White Walnut
- Butterweed; Smooth Ragwort; Smooth Groundsel; Yellowtop; Yellow Top; Butter Weed; Smooth Rag Wort
- Butterweed; Smooth Ragwort; Smooth Yellowtop
- Button Medick; Black Disk Medic
- Button Sedge
- Button Sedge
- Button Sedge; Greenes Sedge
- Buttonbush
- Buttonbush Dodder
- Buxbaums Sedge; Brown Bog Sedge
C
531 plants
- Cabbage; Broccoli; Cauliflower; Kale; Brussels Sprouts; Collard Greens; Kohlrabi
- Cains Reed Grass
- Caley Pea; Singletary Pea; Rough Pea
- Calico Aster; One Sided Aster; White Woodland Aster; Starved Aster
- Calico Aster; One Sided Aster; White Woodland Aster; Starved Aster
- California Arrowhead; Giant Arrowhead; California Arrow Head; Giant Arrow Head
- California Brome
- California Bul Rush
- California Poppy
- California Poppy
- California Privet
- Callery Pear; Bradford Pear
- Calliopsis; Plains Coreopsis; Golden Tickseed; Ojos De Gato; Golden Tick Seed
- Camphor Weed
- Camphorweed
- Camphorweed; Camphor Pluchea; Camphor Weed
- Canada Barberry
- Canada Bluegrass
- Canada Bluets
- Canada Cocklebur
- Canada Columbine; Eastern Columbine; Red Columbine
- Canada Frost Weed; Canada Rock Rose; Long Branch Frostweed
- Canada Germander
- Canada Germander
- Canada Goldenrod
- Canada Hemlock; Eastern Hemlock
- Canada Horse Balm; Northern Horse Balm
- Canada Lily
- Canada Mayflower
- Canada Thistle; Field Thistle
- Canada Toadflax
- Canada Waterleaf
- Canada Wild Rye
- Canada Wild Rye
- Canada Wild Rye; Canadian Wild Rye; Canada Wildrye; Canadian Wildrye
- Canada Yew; American Yew
- Canadian Anemone
- Canadian Black Snake Root
- Canadian Black Snake Root
- Canadian Milkvetch
- Canadian Milkvetch
- Canadian Rush
- Canadian Water Weed
- Canadian Wild Ginger
- Canbys Lobelia
- Cancer Weed; Lyre Leaf Sage
- Candyroot
- Cankerweed
- Canna Lily; Garden Canna; Common Garden Canna
- Cantaloupe; Honeydew; Muskmelon; Guld Coast Melon; Musk Melon
- Canyon Cupgrass
- Cape Gooseberry; Cape Goose Berry; Poha; Peruvian Groundcherry; Peruvian Ground Cherry
- Caper Spurge; Myrtle Spurge; Mole Plant
- Capillary Hairsedge
- Capillary Hairsedge
- Capitate Spike Rush; Capitate Spikerush
- Capped Rush
- Caraway
- Cardinal Flower
- Cardinal Flower
- Careys Knotweed; Careys Smartweed; Careys Knot Weed; Careys Smart Weed
- Careys Saxifrage
- Careys Sedge
- Caribbean Crabgrass; Caribbean Crab Grass
- Caribbean Everlasting; Delicate Everlasting
- Caribbean Miterwort
- Carolina Anemone
- Carolina Arrow Wood
- Carolina Bog Asphodel; White Asphodel
- Carolina Bog Myrtle; Carolina Laurel; Carolina Lambkill
- Carolina Buckthorn
- Carolina Buttercup; Bristly Buttercup
- Carolina Canary Grass
- Carolina Clover; Wild White Clover
- Carolina Cranes Bill
- Carolina Cranes Bill
- Carolina Draba
- Carolina False Bugbane
- Carolina Foxtail
- Carolina Goldentop; Carolina Golden Top
- Carolina Hemlock
- Carolina Holly
- Carolina Horsenettle
- Carolina Horsenettle
- Carolina Jessamine; Yellow Jessamine
- Carolina Laurel Cherry
- Carolina Leaf Flower
- Carolina Mosquito Fern
- Carolina Nut Rush
- Carolina Phlox; Giant Phlox; Thickleaf Phlox; Thick Leaf Phlox; Thickleaved Phlox; Thick Leaved Phlox
- Carolina Ponysfoot
- Carolina Poppy; White Prickly Poppy; White Pricklypoppy; Bluestem Pricklypoppy; Blue Stem Pricklypoppy; Bluestemmed Pricklypoppy; Blue Stemmed Pricklypoppy; Bluestem Prickly Poppy; Blue Stem Prickly Poppy; Bluestemmed Prickly Poppy; Blue Stemmed Prickly Poppy
- Carolina Poppy; White Prickly Poppy; White Pricklypoppy; Bluestem Pricklypoppy; Blue Stem Pricklypoppy; Bluestemmed Pricklypoppy; Blue Stemmed Pricklypoppy; Bluestem Prickly Poppy; Blue Stem Prickly Poppy; Bluestemmed Prickly Poppy; Blue Stemmed Prickly Poppy
- Carolina Prairie Trefoil
- Carolina Puccoon; Hairy Puccoon
- Carolina Quillwort
- Carolina Red Maple
- Carolina Rhododendron
- Carolina Rose; Pasture Rose
- Carolina Rose; Pasture Rose
- Carolina Saxifrage
- Carolina Sedge
- Carolina Shagbark Hickory
- Carolina Silkgrass; Carolina Silk Grass
- Carolina Silkgrass; Carolina Silk Grass
- Carolina Spring Beauty
- Carolina Sweet Pitcher Plant; Carolina Sweet Pitcherplant; Carolina Redflowered Pitcherplant; Carolina Red Flowered Pitcherplant; Carolina Red Flower Pitcherplant; Carolina Redflower Pitcherplant; Carolina Redflowered Pitcher Plant; Carolina Red Flowered Pitcher Plant; Carolina Red Flower Pitcher Plant; Carolina Redflower Pitcher Plant
- Carolina Thistle; Spring Thistle; Soft Thistle
- Carolina Vetch
- Carolina Wild Indigo
- Carolina Wild Petunia
- Carolina Willow
- Carolina Wood Rush
- Carpet Bugle
- Carpet Witchgrass; Carpet Witch Grass
- Carpetweed; Indian Chickweed
- Castor Bean; Castor Oil Plant
- Castor Bean; Castor Oil Plant; Palma Christi; Castorbean; Castoroil Plant
- Cat Greenbrier; Cat Sawbrier
- Catberry; Nemopanthus; Cat Berry
- Catchfly Cut Grass
- Catesbys False Bindweed
- Catesbys Trillium
- Catesbys Virgins Bower; Satin Curls
- Catnip; Catmint
- Cattail Sedge
- Cedar Elm
- Cedar Glade Cress
- Cedar Glade Daisy Fleabane; Limestone Daisy Flea Bane
- Cedar Glade Prairie Clover; Leafy Prairie Clover
- Cedar Glade Spike Rush; Glade Spike Rush
- Cedar Glade St. Johnswort; Golden St. Johnswort
- Cedarglade Rock Pink; Limestone Fameflower
- Celandine Poppy
- Celliotts Fanpetals
- Celliotts Fanpetals
- Centipede Grass; Centipedegrass
- Chaffseed
- Chaffweed
- Chain Speedwell
- Chalk Maple
- Chamber Bitters; Gripeweed
- Chamber Bitters; Gripeweed
- Chamomile
- Chapmans Bluegrass
- Chapmans Bluegrass; Bulbous Bluegrass; Chapmans Blue Grass; Bulbous Blue Grass
- Chapmans Meadow Parsnip
- Chapmans Tridens; Chapmans Purpletop
- Chattahoochee False Foxglove
- Cheat; Chess; Rye Brome
- Cheerful Sunflower
- Cherokee Rose
- Cherokee Sedge
- Cherry Holly; Long Stalk Holly; Appalachian Mountain Holly
- Cherry Plum; Flowering Plum; Purpleleaf Plum
- Cherry Silverberry; Asian Olive
- Cherrybark Oak
- Chestnut Lipfern; Eatons Lipfern; Chestnut Lip Fern; Eatons Lip Fern; Chestnut Lipped Fern; Chestnut Lipped Fern; Eatons Lippedfern; Eatons Lipped Fern
- Chestnut Oak; Mountain Oak
- Chicharo; Common Pea; Field Pea; Garden Pea; Green Pea; Pea
- Chickasaw Plum
- Chickasaw Plum; Sandhill Plum
- Chicory
- Childing Pink; Proliferous Pink
- China Fir
- Chinaberry; Umbrella Tree; Pride of India; Persian Lilac
- Chinese Chaste Tree
- Chinese Chaste Tree
- Chinese Chestnut
- Chinese Crabapple
- Chinese Elm; Lacebark Elm
- Chinese Firethorn; Chinese Fire Thorn
- Chinese Holly
- Chinese Honey Suckle; Chinese Honeysuckle
- Chinese Lantern Plant; Chinese Lantern; Strawberry Groundcherry; Strawberry Ground Cherry
- Chinese Lizards Tail; Chameleon Plant; Fish Mint
- Chinese Mahogany; Chinese Toon
- Chinese Matrimony Vine
- Chinese Parasol Tree; Phoenix Tree; Chinese Parasoltree
- Chinese Privet; Privet Hedge
- Chinese Tallowtree; Popcorn Tree; Chinese Tallow Tree; Popcorntree
- Chinese Wisteria
- Chinese Yam
- Choke Cherry
- Chokecherry
- Chokecherry
- Christmas Fern
- Chueys Heart Leaf
- Chufa Flat Sedge; Earth Almond
- Churchmouse Three Awn
- Cinnamon Fern
- City Goosefoot; City Goose Foot
- Clammy Azalea; Swamp Azalea
- Clammy Azalea; Swamp Azalea
- Clammy Cuphea; Blue Waxweed
- Clammy Goosefoot; Clammy Goose Foot
- Clammy Ground Cherry
- Clammy Hedge Hyssop
- Clammy Locust
- Clammy Locust
- Clammyweed; Spiderweed; Pink Queen; Clammy Weed; Spider Weed
- Clasping Coneflower
- Clasping Dogbane; Indian Hemp; Clasping Dog Bane; Indianhemp; Clasping Leaved Dogbane; Clasping Leaf Dogbane; Claspingleaved Dogbane; Claspingleaf Dogbane; Clasping Leaved Dog Bane; Clasping Leaf Dog Bane; Claspingleaved Dog Bane; Claspingleaf Dog Bane
- Clasping Heliotrope; Violet Heliotrope
- Clasping Leaf St. Johnswort
- Clasping Leaf Twisted Stalk
- Clasping Leaf Twisted Stalk
- Clasping Milkweed; Sand Milkweed
- Clasping Mullein; Orange Mullein
- Clasping Roundleaf Eupatorium
- Clasping Venus Looking Glass
- Clearweed
- Cleavers; Stickywilly; Stickyweed; Bedstraw
- Cliff Diamond Flower; Virginia or West Virginia Spiraea; West Virginia Spiraea; Virginia Spiraea
- Cliff Green; Mountain Lover; Ratstripper
- Cliff Harlequin; Climbing Fumitory; Allegheny Vine
- Cliff Saxifrage; Michauxs Saxifrage
- Cliff Stonecrop; Cliff Stone Crop
- Climbine Spinypod; Limerock Milkvine; Climbing Milkvine;Limerock Spinypod
- Climbing Dayflower
- Climbing Dogbane
- Climbing False Buckwheat
- Climbing Hydrangea; Woodvamp; Decumary
- Climbing Nightshade; Climbing Bittersweet
- Clingmans Hedge Nettle
- Closed Bottle Gentian; Closedbottle Gentian
- Clover Dodder
- Cluster Mallow
- Clustered Beaksedge
- Clustered Black Snakeroot; Fragrant Black Snakeroot
- Clustered Fescue
- Clustered Field Sedge; Freeway Sedge
- Clustered Goldenrod; Skunk Goldenrod
- Clustered Hawthorn; Clustered Haw Thorn
- Clustered Mille Graines
- Clustered Mountain Mint
- Clustered Mountain Mint
- Coast Cockspur Grass
- Coastal Bedstraw; Coastal Bed Straw
- Coastal Dog Fennel; Yankeeweed; Coastal Dogfennel; Yankee Weed
- Coastal Doghobble; Coastal Dog Hobble
- Coastal Fetterbush; Swamp Dog Hobble
- Coastal Lovegrass; Costal Love Grass
- Coastal Mannagrass; Coastal Manna Grass
- Coastal Pepperbush
- Coastal Plain Blue Eyed Grass; Coastal Plain Blueeyed Grass
- Coastal Plain Bog Asphodel
- Coastal Plain Dewberry; Southern Dewberry
- Coastal Plain Elephantsfoot; Coastal Plain Elephants Foot
- Coastal Plain Lettuce; Grassleaf Lettuce
- Coastal Plain Lettuce; Grassleaf Lettuce; Grassleaved Lettuce; Grass Leaf Lettuce; Grass Leaved Lettuce
- Coastal Plain Orange Coneflower
- Coastal Plain Prickly Pear
- Coastal Plain Prickly Pear
- Coastal Plain Prickly Pear
- Coastal Plain Puccoon
- Coastal Plain Rattlebox; Purshs Rattlebox
- Coastal Plain Sedge
- Coastal Plain Serviceberry; Coastal Plain Service Berry
- Coastal Plain Spearwort; Mississippi Buttercup; Coastal Plain Spear Wort; Mississippi Butter Cup
- Coastal Plain Tickseed Sunflower; Coastal Plain Tick Seed Sunflower; Smallfruit Beggarticks; Smallfruited Beggarticks; Small Fruit Beggarticks; Small Fruited Beggarticks; Smallfruit Beggar Ticks; Smallfruited Beggar Ticks; Small Fruit Beggar Ticks; Small Fruited Beggar Ticks
- Coastal Plain Yellow Eyed Grass
- Coastal Sandbur; Coastal Sanspur
- Coastal Sundrops; Coastal Sun Drops
- Coastle Bristle Grass
- Cock Spur; Barnyard Grass
- Cocklebur
- Cocklebur
- Cockscomb; Cooks Comb; Celosia; Cresta dDe Gallo; Silver Cocks Comb; Silver Cookscomb
- Cockspur Hawthorn
- Cockspur Hawthorn
- Cogon Grass
- Colic Root
- Colic Root; Loosescale Gayfeather; Scaly Blazing Star
- Colicroot; Loosescale Gayfeather; Scaly Blazing Star; Colic Root; Loosescale Gay Feather; Scaly Blazingstar
- Collins Sedge
- Colombian Waxweed
- Colonial Bent Grass
- Coltsfoot
- Columbian Watermeal
- Columnar Prairie Coneflower
- Comb Leaf Mermaid Weed
- Comb Leaf Yellow False Foxglove
- Combs Panic Grass; Combs Panicgrass
- Combs Paspalum; Western Wheatgrass; Western Wheat Grass
- Comfrey; Hounds Tongue; Gypsy Flower
- Common Agrimony; Tall Hairy Agrimony
- Common Apple; Orchard Apple
- Common Atamasco Lily
- Common Blanketflower; Firewheel; Indian Blanket; Common Blanket Flower; Fire Wheel
- Common Blanketflower; Firewheel; Indian Blanket; Common Blanket Flower; Fire Wheel
- Common Blue Curls; Forked Bluecurls
- Common Blue Heart Leaf Aster
- Common Blue Violet; Blue Violet
- Common Boneset
- Common Browneyed Susan; Common Three Lobed Coneflower
- Common Buckthorn; European Buckthorn
- Common Burdock
- Common Carpetgrass; Common Carpet Grass
- Common Cat Tail; Broad Leaf Cat Tail
- Common Chickweed
- Common Cinquefoil
- Common Cinquefoil
- Common Clasping Aster
- Common Clasping Aster
- Common Clasping Aster
- Common Comfrey
- Common Cut Leaf Coneflower; Green Head Coneflower
- Common Dandelion
- Common Dewberry; Common Dew Berry
- Common Duckweed
- Common Dwarf Dandelion
- Common Eastern Brome; Hairy Woodland Brome
- Common Eastern Coneflower
- Common Eastern Coneflower; Orange Coneflower
- Common Elephants Foot; Devils Grandmother
- Common Eurpoean Hedge Nettle; Common Eurpoean Hedgenettle
- Common Evening Primrose
- Common Flax
- Common Flowering Quince
- Common Golden Top
- Common Grape Hyacinth; Grape Hyacinth
- Common Greenbriar; Round Leaf Green Briar
- Common Groundnut; American Groundnut
- Common Hairy Coreopsis; Star Tickseed; Star Tick Seed
- Common Hairy Coreopsis; Star Tickseed; Star Tick Seed
- Common Hairy Forked Nailwort
- Common Hard Grass
- Common Hemp Nettle; Common Hempnettle; Hempnettle; Hemp Nettle; Brittlestemmed Hempnettle; Brittle Stemmed Hempnettle; Brittle Stem Hempnettle; Brittlestem Hempnettle; Brittlestemmed Hemp Nettle; Brittle Stemmed Hemp Nettle; Brittle Stem Hemp Nettle; Brittlestem Hemp Nettle
- Common Knotweed
- Common Knotweed
- Common Mallow
- Common Milkweed
- Common Morning Glory; Purple Morning Glory
- Common Mouse Ear Chickweed
- Common Mouse Ear Chickweed
- Common Mugwort; Common Wormwood
- Common Ninebark
- Common Partridge Pea
- Common Partridge Pea
- Common Peach
- Common Pear
- Common Peppergrass
- Common Periwinkle; Grave Moss
- Common Plantain; Plantain
- Common Purslane
- Common Ragweed
- Common Reed; Old World Reed
- Common Roseling
- Common Rough Fleabane
- Common Rush; Pylaies Soft Rush
- Common Rush; Soft Rush
- Common Scouring Rush; Scouring Rush Horse Tail
- Common Sensitive Plant
- Common Sensitive Plant; Sensitive Partridge Pea; Common Sensitiveplant; Sensitive Partridgepea
- Common Serviceberry
- Common Serviceberry
- Common Smartweed; Common Pinkweed; Pennsylvania Smartweed; Pennsylvania Pinkweed
- Common Smooth Rock Cress
- Common Sneezeweed
- Common Sowthistle
- Common Speedwell; Gypsyweed
- Common Spike Rush
- Common Stargrass; Eastern Star Grass; Goldstar; Yellow Star Grass
- Common Sunflower
- Common Sweet White Violet; Largeleaf White Violet; Large Leaf White Violet; Large Leaved White Violet; Largeleaved White Violet; Sweet White Violet
- Common Three Seeded Mercury
- Common Three Square Bulrush; Chairmakers Rush
- Common Three Square Bulrush; Chairmakers Rush
- Common Vetch
- Common Vetch
- Common Water Starwort; Two Head Water Starwort
- Common Water Starwort; Two Head Water Starwort
- Common White Snakeroot; Common Milk Poison
- Common Wild Quinine
- Common Windgrass; Loose Silkybent Grass; Windgrass; Common Wind Grass; Loose Silky Bent Grass; Wind Grass
- Common Wood Rush
- Common Woodreed; Sweet Woodreed
- Common wormwood'' Absinthium
- Common Yellow Thistle; Bull Thistle; Horrid Thistle; Yellow Thistle
- Common Yellow Wood Sorrel
- Compact Dodder
- Compass Plant
- Composite Dropseed
- Composite Dropseed
- Confederate Daisy
- Coolwort
- Coons Tail
- Coosa Barbaras Buttons
- Copper Iris
- Coppery St. Johnswort
- Coral Ardisia; Coralberry; Spiceberry; Hens Eyes; Marlberry; Scratchthroat; Coral Berry; Spice Berry; Henseyes; Marl Berry; Scratch Throat
- Coral Bean; Cardinal Spear; Colorin
- Coral Honeysuckle; Trumpet Honeysuckle
- Coralbeads; Snailseed
- Coralberry
- Cord Grass; Slough Grass
- Coriander; Cilantro
- Cork Elm; Rock Elm
- Corn Brome; Squarrose Brome
- Corn Chamomile
- Corn Crowfoot
- Corn Gromwell
- Corn Gromwell
- Corn Speedwell; Wall Speedwell
- Corn Spurrey; Corn Spurry
- Corn; Maize
- Corn; Maize
- Corncockle
- Corncockle
- Cornel Leaf Flat Top Aster
- Cornflag; False Corn Flag; Corn Flag; False Cornflag
- Cornflower; Bachelors Button
- Corymb Rose; Hecken Rose
- Cosmopolitan Bulrush; Cosmopolitan Bul Rush
- Cosmos
- Cotton Batting; Eastern Rabbit Tobacco; Rabbit Tobacco; Cottonbatting
- Coupled Sedge; Spreading Sedge
- Cow Herb; Babys Breath
- Cow Wheat
- Coyote Gourd; Buffalo Gourd; Foetid Gourd; Chili Coyote; Missouri Gourd; Calabacilla Loca
- Crabweed; Mulberryweed
- Crack Willow; Brittle Willow
- Cranberry
- Cranefly Orchid
- Crape Myrtle; Crepe Myrtle
- Crawes Sedge
- Crawfords Ragwort
- Crawfords Sedge
- Cream Avens
- Cream Vetchling; Pale Vetchling; Cream Pea; Yellow Vetchling
- Cream Violet; Pale Violet
- Creeping Bent Grass
- Creeping Burhead
- Creeping Buttercup
- Creeping Charlie; Ground Ivy
- Creeping Eryngo; Spreading Eryngo
- Creeping Frogfruit
- Creeping Jenny; Moneywort
- Creeping Juniper
- Creeping Lespedeza
- Creeping Lilyturf; Creeping Lily Turf
- Creeping Love Grass
- Creeping Manna Grass
- Creeping Mazus; Miquels Mazus
- Creeping Meadow Foxtail; Creeping Meadow Foxtail Grass; Creeping Meadow Fox Tail; Creeping Meadow Fox Tail Grass
- Creeping Phlox
- Creeping Seedbox
- Creeping Smartweed; Bristly Ladys Thumb
- Creeping Spike Moss; Meadow Spike Moss
- Creeping Spotflower
- Creeping Strawberry Bush; Wintercreeper
- Creeping Western Umbrella Sedge
- Creeping Western Umbrella Sedge
- Creeping Wood Aster
- Creeping Wood Sorrel
- Creeping Yellow Cress
- Creepingroot Violet; Creeping Root Violet; Canadian White Violet
- Crested Climbing Buckwheat; Crested Climbing Buck Wheat
- Crested Coralroot
- Crested Dogtail
- Crested Latesummer Mint; Crested Late Summer Mint
- Crested Sedge
- Crested Wheatgrass; Crested Wheat Grass
- Crested Wood Fern
- Crimson Clover; Tommy James and the Shondells Clover
- Crinkleroot Toothwort
- Crisped Bunch Flower; Slender Bunch Flower
- Crocus
- Cronquists Wrinkle Leaf Goldenrod; Cronquists Rough Leaf Golden Rod
- Croomia; Elfin Shoes
- Crossvine
- Crowfoot Grass; Crowfootgrass; Crow Foot Grass
- Crowfoot Violet; Crowsfoot Violet; Crow Foot Violet; Crows Foot Violet
- Crown Vetch
- Cuban Jute; Arrow Leaf Sida
- Cucumber
- Cucumber Leaf Sunflower; Cucumberleaf Sunflower
- Cucumber Leaf Sunflower; Cucumberleaf Sunflower
- Cucumber Tree; Cucumber Magnolia
- Cucumber Tree; Cucumber Magnolia
- Cudrania; Che Fruit Tree; Mandarin Melonberry; Mandarin Melon Berry
- Cultivated Garlic; Garlic
- Cultivated Purslane; Rosemoss
- Culvers Physic; Culvers Root
- Cumberland Azalea; Diploid Flame Azalea
- Cumberland Leather Flower
- Cumberland Phacelia
- Cumberland Rose Gentian; Appalachian Rose Gentian; Cumberland Rose Pink; Appalachian Rose Pink
- Cumberland Rosemary
- Cumberland Rosinweed
- Cumberland Sand Reed
- Cumberland Sand Reed; Cumberland Reed Grass
- Cumberland Sandwort; Cumberland Stitchwort
- Cumberland Sedge
- Cumberland Spurge; Mercury Spurge
- Cup Plant
- Cupseed; Lyons Cupseed
- Curly Dock; Yellow Dock
- Curly Dock; Yellow Dock
- Curly Pond Weed
- Curlycup Gumweed
- Curlyheads; Curly Heads
- Cursed Buttercup; Cursed Crowfoot
- Cursed Buttercup; Cursed Crowfoot
- Curtis Goldenrod
- Curtis Yellow Eyed Grass
- Curtiss Three Awn; Curtiss Churchmouse Three Awn
- Cushion Babysbreath; Cushion Babys Breath
- Cusp Dodder
- Cut Leaf Coneflower
- Cut Leaf Cranes Bill
- Cut Leaf Evening Primrose
- Cut Leaf Water Milfoil; Alternate Leaf Water Milfoil
- Cut Leaved Black Berry; Cut Leaf Black Berry; Cutleaved Blacl Berry; Cutleaf Black Berry; Cut Leaved Blackberry; Cut Leaf Blackberry; Cutleaved Blackberry; Cutleaf Blackberry; Evergreen Blackberry; Evergreen Black Berry; Straw Berry Raspberry; Straw Berry Rasp Berry; Strawberry Raspberry; Strawberry Rasp Berry
- Cuthberts Onion
- Cuthberts Turtlehead; Cuthberts Turtle Head
- Cutleaf Blackberry
- Cutleaf Deadnettle
- Cutleaf Ground Cherry
- Cutleaf Ground Cherry
- Cutleaf Meadow Parsnip
- Cutleaf Nightshade; Cutleaved Nightshade; Cut Leaf Nightshade; Cut Leaved Nightshade; Cutleaf Night Shade; Cutleaved Night Shade; Cut Leaf Night Shade; Cut Leaved Night Shade
- Cutleaf Teasel
- Cutleaf Toothwort
- Cylindric Fruit Primrose Willow; Small Flower Primrose Willow
- Cymose Beaksedge; Globe Beaksedge
- Cypress Spurge; Graveyard Spurge
- Cypress Swamp Sedge; Joors Sedge
- Cypress Vine
- Cypressknee Sedge
D
153 plants
- Daffodil
- Dahlia
- Dahurian Buckthorn
- Dahurian buckthorn
- Daisy Flea Bane
- Daisyleaf Grape Fern; Daisyleaved Moonwort
- Dakota Vervain; Dakota Mock Vervain
- Dakota Vervain; Dakota Mock Vervain
- Dallis Grass
- Dallis Grass
- Damask Rose; Chinese Pear; Oriental Pear
- Dames Rocket
- Dangleberry
- Dark Indigo Bush; Shining False Indigo Bush
- Darnel Rye Grass
- Darnel Rye Grass
- Davids Spurge
- Davis Sedge
- Deams Downy Phlox
- Deams Three Seeded Mercury
- Death Camas; Mountain Death Camas
- Deceitful Pussytoes; Parlins Pussytoes
- Deceptive Spinypod; Deceptive Spiny Pod
- Decumbent Trillium; Trailing Wakerobin; Decumbent Wakerobin; Trailing Trillium
- Deepwoods Stoneroot; Deepwoods Horsebalm
- Deerberry
- Deergrass; Tufted Bul Rush
- Deertongue Witch Grass
- Dehiscent Witch Grass; Dehiscent Witchgrass
- Delicate Heliotrope; Pasture Heliotrope
- Delicate Rabbit Tobacco
- Delta Arrowhead
- Dense Blazngstar; Dense Blazing Star
- Dense Gayfeather; Dense Blazing Star; Marsh Gayfeather; Marsh Blazingstar
- Dense Tuft Hairsedge
- Dense Tuft Hairsedge
- Denseflower Knotweed
- Deptford Pink
- Deptford Pink
- Desert Goosefoot; Desert Goose Foot; Nettleleaved Goosefoot; Nettleleaf Goosefoot; Nettle Leaf Goosefoot; Nettle Leaved Goosefoot; Nettleleaved Goose Foot; Nettleleaf Goose Foot; Nettle Leaf Goose Foot; Nettle Leaved Goose Foot
- Deutzia
- Deutzia; Fuzzy Pride Of Rochester
- Deutzia; Fuzzy Pride Of Rochester
- Deutzia; Pride Of Rochester; Prideofrochester
- Devils Beggar Ticks
- Devils Bit; Fairy Wand; Blazing Star
- Devils Walking Stick; Hercules Club
- Dew Drop; Robin Runaway; Dewdrop; Robin Run Away; Star Violet;
- Diamond Flower; Blackening Bluets
- Diamond Flower; Glade Bluet; Prairie Bluet; Virginia or West Virginia Spiraea; West Virginia Spiraea; Virginia Spiraea
- Diamond Flower; Glade Bluet; Prairie Bluet; Virginia or West Virginia Spiraea; West Virginia Spiraea; Virginia Spiraea
- Dicliptera; Branched Foldwing
- Diffuse Branched Bluet; Diffusebranched Bluet; Diffusebranch Bluet; Diffuse Branch Bluet; Virginia or West Virginia Spiraea; West Virginia Spiraea; Virginia Spiraea
- Diffuse Rush; Slim Pod Rush
- Digitalis; Common Foxglove; Purple Foxglove; Ladys Glove; Ladies Glove
- Dill; Dillweed; Dill Weed
- Dillenius Tick Trefoil
- Dimpled Trout Lily
- Dimpled Trout Lily
- Dimpled Trout Lily
- Dioecious Sedge; Sterile Sedge
- Disk Water Hyssop
- Dissected Grape Fern; Cutleaf Grape Fern
- Dixie Grape Fern; Alabama Grape Fern
- Dixie Sedge
- Dog Fennel
- Dog Rose
- Dog Rose; Prairie Rose
- Dogmustard; French Rocket
- Dogweed; Fetid Marigold; Dog Weed
- Dollar Leaf Snout Bean
- Domesticated Plum
- Dotted Duckmeat; Dotted Duck Meat
- Dotted Hawthorn
- Dotted Smartweed
- Doubleform Snoutbean
- Doubtful Mouse Earl Chickweed
- Douglas Knotweed; Douglas Knot Weed
- Doves Foot Geranium; Dovesfoot Geranium; Dove Foot Geranium; Dovefoot Geranium; Smooth Dovesfoot Cranesbill; Smooth Doves Foot Cranesbill; Smooth Dovefoot Cranesbill; Smooth Dove Foot Cranesbill; Smooth Dovesfoot Cranes Bill; Smooth Doves Foot Cranes Bill; Smooth Dovefoot Cranes Bill; Smooth Dove Foot Cranes Bill; Smooth Dovesfoot Cranebill; Smooth Doves Foot Cranebill; Smooth Dovefoot Cranebill; Smooth Dove Foot Cranebill; Smooth Dovesfoot Crane Bill; Smooth Doves Foot Crane Bill; Smooth Dovefoot Crane Bill; Smooth Dove Foot Crane Bill
- Dovesfoot Cranes Bill
- Downy Agrimony; Soft Agrimony
- Downy Arrow Wood; Rafinesques Viburnum
- Downy Brome; Downy Chess; Downy Cheat; Chess
- Downy Bur Clover; Little Bur Clover
- Downy Carrion Flower
- Downy Goldenrod
- Downy Goldenrod; Downy Golden Rod
- Downy Goldenrod; Downy Golden Rod
- Downy Grape; Sweet Winter Grape
- Downy Ground Cherry; Husk Tomato
- Downy Hawthorn
- Downy Hawthorn
- Downy Lespedeza; Trailing Lespedeza
- Downy Lobelia
- Downy Maiden Fern; Downy Woodfern; Soft Fern; Downy Shield Fern; Downy Maidenfern; Downy Wood Fern; Softfern; Downy Shieldfern
- Downy Milk Pea
- Downy Oatgrass; Downy Oat Grass
- Downy Pagoda Plant; Downy Wood Mint
- Downy Phlox
- Downy Phlox
- Downy Phlox
- Downy Rattlesnake Plantain
- Downy Solomons seal; Hairy Solomons Seal
- Downy Woundwort
- Downy Yellow False Foxglove
- Dragons Mouth; Bog Rose; Arethusa
- Drooping Bulrush; Drooping Bul Rush
- Drooping Sedge
- Drooping Woodreed; Slender Woodreed
- Drumheads
- Drummonds Dropseed
- Drummonds Red Maple
- Drummonds St. Johns Wort; Nits And Lice
- Duck River Bladderpod
- Duckmeat
- Dudleys Rush
- Dunbars Hawthorn
- Dune Greenbriar; Dune Green Briar
- Dune Sandspur; Dune Sand Spur
- Dutchmans Breeches
- Dwarf Bristle Fern; Dwarf Filmy Fern
- Dwarf Chinquapin Oak
- Dwarf Cinquefoil
- Dwarf Crested Iris
- Dwarf Dangleberry; Confederate Huckleberry;Dwarf Dangle Berry; Confederate Huckle Berry
- Dwarf Fivefingers; White Potentilla
- Dwarf Flower Heart Leaf; Dwarf Flowered Heart Leaf; Dwarfflower Heart Leaf; Dwarfflowered Heart Leaf; Dwarf Flower Heartleaf; Dwarf Flowered Heartleaf; Dwarfflower Heartleaf; Dwarfflowered Heartleaf
- Dwarf Ginseng
- Dwarf Hackberry; Georgia Hackberry
- Dwarf Horseweed
- Dwarf Huckleberry
- Dwarf Indigo Bush; Dwarf Indigobush
- Dwarf Indigo Bush; Dwarf Indigobush
- Dwarf Larkspur
- Dwarf Laurel; Piedmont Rhododendron
- Dwarf Morning Glory
- Dwarf Mouse Ear Chickweed
- Dwarf Palmetto
- Dwarf Plantain
- Dwarf Serviceberry; Low Serviceberryl
- Dwarf Skullcap; Small Skullcap
- Dwarf Snapdragon
- Dwarf Snapdragon
- Dwarf Spike Rush
- Dwarf Spiraea; Rock Spiraea; Japanese Spiraea; Japanese Meadowsweet; Billiard Spiraea; Japanese Meadow Sweet
- Dwarf St. Johnswort
- Dwarf St. Johnswort
- Dwarf Sundew
- Dwarf Trillium
- Dwarf Trillium
- Dwarf Upland Willow; Dwarf Prairie Willow
- Dwarf Wakerobin; Dwarf Wake Robin
- Dwarf Water Clover
E
192 plants
- Ear Leaf Goldenrod; Clasping Leaf Goldenrod
- Eared Goldenrod; Eared Golden Rod
- Earleaf False Foxglove
- Early Azalea; Roseshell Azalea
- Early Bluegrass
- Early Goldenrod
- Early Meadow Rue
- Early Saxifrage
- Early Spring Buttercup
- Early St. Johns Wort; Early St. Johnswort
- Early St. Johnswort
- Early Wild Rye
- Early Wild Rye; Early Wildrye
- Early Wild Rye; Early Wildrye
- Early Yellow Rocket; Early Yellow Winter Cress
- Earth Nut Pea; Tuberous Pea; Tuberous Sweetpea; Tuberous Vetchling; Tuberous Sweet Pea; Earth Nutpea
- East Indian Holly Fern
- Eastern Angle Pod
- Eastern Aromatic Aster; Shale Barren Aster; Shalebarren Aster
- Eastern Baby Blue Eyes
- Eastern Bastard Toadflax
- Eastern Bastard Toadflax
- Eastern Beakgrain; American Beakgrain
- Eastern Bee Balm
- Eastern Bishopsweed; Herb William
- Eastern Black Nightshade
- Eastern Blackeyed Susan
- Eastern Blackfooted Quillwort
- Eastern Blue Eyed Grass
- Eastern Blue Eyed Mary
- Eastern Bluestar
- Eastern Bottle Brush Grass
- Eastern Boxelder
- Eastern Boxelder
- Eastern Bracken Fern
- Eastern Butterfly Milkweed
- Eastern Cottonwood
- Eastern Cottonwood
- Eastern Daisy Fleabane
- Eastern Feather Bells
- Eastern Feather Bells
- Eastern Feather Bells
- Eastern Figwort; Carpenters Square
- Eastern Flowering Spurge
- Eastern Fox Sedge
- Eastern Fringed Gentian; Greater Fringed Gentian
- Eastern Gray Beard Tongue; Appalachian Beard Tongue
- Eastern Gray Goldenrod; Missouri Goldenrod; Eastern Gray Golden Rod; Missouri Golden Rod
- Eastern Gum Bully
- Eastern Gum Bully
- Eastern Hawthorn; Bigfruit Hawthorn; Fan Leaf Hawthorn
- Eastern Hayscented Fern; Pasture Fern; Boulder Fern
- Eastern Lanceleaved Bluet; Eastern Lance Leaved Bluet; Eastern Lance Leaf Bluet; Eastern Lanceleaf Bluet; Virginia or West Virginia Spiraea; West Virginia Spiraea; Virginia Spiraea
- Eastern Larch; Eastern Tamarack
- Eastern Mapleleaved Rasp Berry; Eastern Maple Leaved Rasp Berry; Eastern Maple Leaf Rasp Berry; Eastern Mapleleaf Rasp Berry; Eastern Mapleleaved Raspberry; Eastern Maple Leaved Raspberry; Eastern Maple Leaf Raspberry; Eastern Mapleleaf Raspberry; Purple Flowering Raspberry; Purple Flowering Rasp Berry; Purpleflowering Raspberry; Purpleflowering Rasp Berry
- Eastern Marsh Fern
- Eastern Marsh Fern; Marsh Fern
- Eastern Milk Pea
- Eastern Missouri Goldenrod; Eastern Missouri Golden Rod
- Eastern Narrow Leaf Sedge
- Eastern Needle Grass
- Eastern Needlegrass; Black Oatgrass; Eastern Needle Grass; Black Oat Grass; Blackseed Speargrass; Black Seed Speargrass; Blackseeded Speargrass; Black Seeded Speargrass; Blackseed Spear Grass; Black Seed Spear Grass; Blackseeded Spear Grass; Black Seeded Spear Grass
- Eastern Ninebark
- Eastern Oxeye
- Eastern Pearlwort; Perennial Pearlwort; Trailing Pearlwort
- Eastern Poison Ivy; Poison Ivy
- Eastern Prairie Anemone; Ten Petal Anemone; Tenpetal Anemone
- Eastern Prairie Blue Wild Indigo; Glade Blue Wild Indigo
- Eastern Prairie Marbleseed; Shaggy Marbleseed
- Eastern Prickly Gooseberry; Dogberry
- Eastern Prickly Pear
- Eastern Prickly Pear
- Eastern Purple Coneflower
- Eastern Rabbit Tobacco
- Eastern Red Cedar; Red Cedar
- Eastern Red Maple
- Eastern Redbud; Judas Tree
- Eastern Riverbank Wild Rye
- Eastern Rose Mallow; Crimsoneye Rose Mallow
- Eastern Rose Mallow; Crimsoneye Rose Mallow
- Eastern Rough Sedge
- Eastern Roughleaved Dogwood; Eastern Rough Leaf Dogwood; Eastern Rough Leaved Dogwood; Eastern Roughleaf Dogwood; Eastern Roughleaved Dog Wood; Eastern Rough Leaf Dog Wood; Eastern Rough Leaved Dog Wood; Eastern Roughleaf Dog Wood
- Eastern Sensitive Briar; Eastern Sensitive Plant
- Eastern Serviceberry; Canadian Serviceberry
- Eastern Shooting Star
- Eastern Silvery Aster
- Eastern Smooth Beard Tongue
- Eastern Star Sedge
- Eastern Straw Sedge; Straw Sedge
- Eastern Swamp Milkweed
- Eastern Swamp Privet
- Eastern Swamp Saxifrage
- Eastern Turkey Beard
- Eastern Wahoo
- Eastern Winged Sumac
- Eastern Winged Sumac; Eastern Flameleaf Sumac; Eastern Flame Leaf Sumac; Eastern Flameleaved Sumac; Eastern Flame Leaved Sumac
- Eastern Woodland Sedge; Charming Sedge
- Eastern Yampah
- Eastern Yarrow
- Eatons Witch Grass; Eatons Panic Grass
- Ebony Spleenwort
- Eclipta; Pie Plant; Yerba De Tago
- Edible Fig; Garden Fig; Fig
- Eggbract Sedge
- Eggerts Sunflower; Tennessee Sunflower
- Eglantine Rose; Sweetbrier Rose
- Eglantine Rose; Sweetbrier Rose
- Eglantine Rose; Sweetbrier Rose
- Elecampane; Elecampane Inula
- Elegant Cudweed; Elegant Cud Weed; Gray Everlasting
- Elegant Hair Grass
- Elegant Witchgrass; Elegant Witch Grass
- Elephants Ear; Taro; Dasheen; Coco Yam; Eddo
- Elf Orpine; Smalls Stonecrop
- Elliottia; Southern Plume; Georgia Plume; Laurel
- Elliotts Beaksedge; Elliotts Beak Sedge
- Elliotts Bent Grass
- Elliotts Bluestem
- Elliotts Rush
- Elliptic Shinleaf; Wintergreen Shineleaf
- Elliptic Spike Rush
- Elm Leaf Goldenrod
- Elmleaf Golden Rod; Elmleaved Golden Rod; Elm Leaf Golden Rod; Elm Leaved Golden Rod; Elmleaf Goldenrod; Elmleaved Goldenrod; Elm Leaf Goldenrod; Elm Leaved Goldenrod; Bog Goldenrod; Bog Golden Rod
- Elmleaf Golden Rod; Elmleaved Golden Rod; Elm Leaf Golden Rod; Elm Leaved Golden Rod; Elmleaf Goldenrod; Elmleaved Goldenrod; Elm Leaf Goldenrod; Elm Leaved Goldenrod; Bog Goldenrod; Bog Golden Rod
- Emmons Sedge
- Emorys Sedge
- Engelmanns Hawthorn; Barberry Hawthorn; Engelmanns Haw Thorn; Barberry Haw Thorn
- Engelmanns Spike Rush
- Engelmans Quillwort
- English Bedstraw; Lamarks Bedstraw
- English Bluebell
- English Daisy; Lawndaisy; Lawn Daisy
- English Elm; English Cork Elm; Field Elm
- English Haw Thorn; English Hawthorn; Oneseeded Hawthorn; Oneseed Hawthorn; One Seeded Hawthorn; One Seed Hawthorn; Oneseeded Haw Thorn; Oneseed Haw Thorn; One Seeded Haw Thorn; One Seed Haw Thorn
- English Holly; Christmas Holly
- English Ivy
- English Ivy
- English Plantain; Rib Grass; Ribgrass; Narrowleaf Plantain; Narrowleaved Plantain; Narrow Leaf Plantain; Narrow Leaved Plantain
- English Yew
- Entangled Hawthorn
- Entangled Hawthorn; Biltmore Hawthorn
- Entire Leaf Yellow False Foxglove
- Entireleaf Yellow False Foxglove
- Eplings Hedge Nettle
- Erect Knotweed
- Ernests Spiderwort
- Eurasian Red Raspberry; Eurasian Red Rasp Berry
- Eurasian Watermilfoil
- European Alder Buck Thorn; Glossy Alder Buck Thorn
- European Ash
- European Barberry; Common Barberry
- European Beech; Copper Beech
- European Black Nightshade; European Black Night Shade
- European Bur Reed; European Burreed
- European Climbing Buckwheat; Corpse Black Bindweed; Thicket Bindweed; European Climbing Buck Wheat; Corpse Black Bind Weed; Thicket Bind Weed
- European Columbine; Garden Columbine
- European Corn Salad; Lewiston Corn Salad
- European Dewberry; European Dew Berry
- European Elder
- European Field Pansy
- European Fir; Silver Fir
- European Fly Honeysuckle
- European Goats Beard; European Goatsbeard
- European Gooseberry
- European Gooseberry
- European Gromwell
- European Horsechestnut
- European Laurel Cherry
- European Lily of the Valley
- European Linden
- European Mock Orange; Sweet Mock Orange
- European Privet; Common Privet
- European Self Heal; European Heal All
- European Smoke Tree
- European Spindle Tree; European Spindletree
- European St. Johnswort; Common St. Johnswort
- European Stickseed
- European Stinging Nettle; Great Nettle
- European Stinging Nettle; Great Nettle
- European Sweet Flag; Calamus
- European Vervain; Herb Of The Cross
- European Waterclover; Water Shamrock; European Water Clover
- European Weeping Birch; European White Birch
- European White Birch; Downy Birch
- European White Birch; Downy Birch
- European White Willow
- European Woodland Sedge
- European Woodland Strawberry; Woodland Strawberry; European Woodland Straw Berry; Woodland Straw Berry
- Evergreen Barberry
- Evergreen Candytuft; Perennial Candytuft
- Everlasting Pea; Everlasting Pea
- Eyebane; Upright Spotted Spurge
F
204 plants
- Fall Dandelion
- Fall Panic Grass
- Fall Panic Grass
- Fall Panicgrass; Fall Panic Grass
- Fall Witchgrass; Fall Witch Grass
- False Aloe; Rattle Snake Master; Agave
- False Babys Breath
- False Boneset
- False Boneset
- False Boneset
- False Dandelion
- False Dandelion; Carolina Desert Chicory
- False Garlic; Crow Poison
- False Hawksbeard
- False Hop Sedge
- False Indian Plaintain
- False Manna Grass; Pale Manna Grass
- False Melic
- False Nettle
- False Rue Anemone
- False Solomons Seal; Solomons Plume
- False Spiraea
- False Summer Sedge; Hybrid Sedge
- False Teeth Skullcap
- Fancy Fern; Intermediate Wood Fern; Evergreen Wood Fern
- Fanleaf Hawthorn; Fan Leaf Hawthorn; Fanleaved Hawthorn; Fan Leaved Hawthorn; Fanleaf Haw Thorn; Fan Leaf Haw Thorn; Fanleaved Haw Thorn; Fan Leaved Haw Thorn
- Fanwort; Carolina Fanwort
- Farkleberry; Sparkleberry
- Fascicled Beak Rush; Fascicled Beakrush
- Fat Hen; Fathen; Triangle Orache; Thinleaf Orach; Thinleaved Orach; Thin Leaf Orach; Thin Leaved Orach
- Feather Windmill Grass
- Featherfoil
- Fen Orchid; Loesels Twayblade; Bog Twayblade
- Fennel; Sweet Fennel
- Fern Leaf Yellow False Foxglove
- Fernalds Greater Bladder Sedge
- Fernalds Yellow Cress
- Fernalds Yellow Cress
- Ferris Scouring Rush; Ferris Scouringrush; Ferris Horsetail; Ferris Horse Tail
- Fescue Sedge
- Feverfew
- Few Flower Beaksedge; Elliot Beaksedge
- Few Flower Milkweed; Few Flowered Milkweed; Fewflower Milkweed; Fewflowered Milkweed; Few Flower Milk Weed; Few Flowered Milk Weed; Fewflower Milk Weed; Fewflowered Milk Weed
- Few Flower Nut Rush
- Few Flower Nut Rush
- Few Flower Tick Trefoil
- Fibrousroot Sedge
- Fiddle Dock
- Fiddlers Spurge; Mexican Fireplant; Catalina; Jacobs Ladder; Mexican Fire Plant
- Field Bindweed; Creeping Jenny; Cornbind
- Field Brome
- Field Burrweed; Field Soliva; Field Burr Weed
- Field Chickweed; Field Chick Weed
- Field Dodder;Prairie Dodder
- Field Forget Me Not
- Field Garlic
- Field Hedge Parsley
- Field Horse Tail; Bottlebrush Horse Tail
- Field Parsley
- Field Parsleypiert
- Field Paspalum
- Field Penny Cress
- Field Peppergrass
- Field Poppy; Corn Poppy; Common Poppy; Red Poppy
- Field Pussytoes
- Field Sorrel; Sheep Sorrel
- Field Sow Thistle
- Field Sow Thistle
- Field Speedwell
- Field Thistle
- Field Woodrush; Field Wood Rush
- Filmy Angelica
- Finger Dogshade
- Fingered Speedwell; Fingered Speed Well
- Fire Cherry; Pin Cherry
- Fire Pink
- Fire Pink
- Fireberry Hawthorn; Fire Berry Hawthorn; Fireberry Haw Thorn; Fire Berry Haw Thorn
- Fireweed; American Burnweed
- Fireweed; Great Willow Herb
- Fireweed; Great Willow Herb
- Five Lobe Cucumber; Melonleaf
- Five Lobe St. Johnswort
- Five Stamen Mouse Ear Chickweed
- Fiveangle Dodder
- Fivefinger Aralia; Fiveleaf Aralia; Fivefingered Aralia; Fiveleaved Aralia; Five Finger Aralia; Five Leaf Aralia; Five Fingered Aralia; Five Leaved Aralia
- Fivehorn Smotherweed; Fivehorned Smotherweed; Five Horn Smotherweed; Five Horned Smotherweed; Fivehorn Smother Weed; Fivehorned Smother Weed; Five Horn Smother Weed; Five Horned Smother Weed
- Fivespot
- Flame Azalea
- Flat Spiked Sedge
- Flat Top Goldentop; Flat Topped Goldentop; Flattop Goldentop; Flattopped Goldentop; Flat Top Golden Top; Flat Topped Golden Top; Flattop Golden Top; Flattopped Golden Top
- Flatbranched Clubmoss
- Flatrock Draba; Sunloving Draba; Granite Whitlowwort; Open Ground Whitlow Grass; Openground Whitlow Grass; Open Ground Whitlowgrass; Openground Whitlowgrass; Granite Whitlow Wort
- Flatrock Onion; Flat Rock Onion
- Flatrock Sundrops; Flatrock Sun Drops
- Flatwoods Ironweed; Flat Woods Ironweed; Flatwoods Iron Weed; Flat Woods Iron Weed
- Flatwoods Plum; Hog Plum
- Fleshy Hawthorn; Fleshy Haw Thorn
- Floating Bladderwort; Small Swollen Bladderwort; Floating Bladder Wort; Small Swollen Bladder Wort
- Floating Manna Grass; Northern Manna Grass
- Floating Marsh Pennywort
- Floating Pondweed; Floating Pond Weed
- Floating Water Primrose
- Floating Water Primrose
- Floerkea; False Mermaid; False Mermaid Weed; False Mermaidweed
- Florida Adders Mouth; Florida Addersmouth
- Florida Bladderwort; Florida Bladder Wort
- Florida Cottonseed; Common Cottonweed; Snakecotton; Florida Cotton Seed; Common Cotton Weed; Snake Cotton
- Florida Crown Grass
- Florida Dune Diamond Flower
- Florida Grape
- Florida Hedge Hyssop
- Florida Hedge Nettle
- Florida Ladies Tresses; Florida Ladys Tresses
- Florida Pellitory
- Florida Sanicle; Florida Snakeroot; Canadian Blacksnakeroot; Florida Snake Root; Canadian Black Snakeroot; Canadian Black Snake Root
- Florida Sedge
- Florida Soapberry; Florida Soap Berry
- Florida Three Lobed Bed Straw; Florida Threelobed Bed Straw; Florida Threelobe Bed Straw; Florida Three Lobe Bed Straw; Florida Three Lobed Bedstraw; Florida Threelobed Bedstraw; Florida Threelobe Bedstraw; Florida Three Lobe Bedstraw; Stiff Marsh Bedstraw; Stiff Marsh Bed Straw; Virginia or West Virginia Spiraea; West Virginia Spiraea; Virginia Spiraea
- Florida Ticktrefoil; Florida Tick Trefoil
- Florida Wood Sedge
- Florida Yellow Flax
- Florida Yellow Flax
- Flower of an Hour; Venice Mallow
- Flowering Dogwood
- Flowering Plum
- Flowering Raspberry
- Fly Honeysuckle
- Fly Poison
- Foamflower
- Foamflower
- Foamflower
- Foamflower
- Foamflower
- Fools Parsley
- Forked Catchfly
- Forked Catchfly
- Forked Fimbry
- Forked Rush
- Forked Witch Grass
- Forked Witchgrass; Cypress Panicgrass; Forked Witch Grass; Cypress Panic Grass
- Forkleaf Toothwort
- Forktip Three Awn; Forked Threeawn; Fork Tip Three Awn; Forked Three Awn; Forktip Threeawn; Fork Tip Threeawn
- Four Flower Loosestrife
- Fourleaf Milkweed
- Fourspike Heliotrope
- Fowl Bluegrass
- Fowl Bluegrass; Fowl Meadow Grass; Bog Bluegrass; Fowl Blue Grass; Fowl Meadowgrass; Bog Blue Grass
- Fowl Manna Grass
- Fowl Manna Grass
- Fox Grape
- Fox Sedge
- Foxtail Barley; Squirrel Tail Barley
- Foxtail Barley; Squirreltail Barley
- Foxtail Bog Clubmoss
- Foxtail Club Moss; Foxtail Clubmoss; Fox Tail Clubmoss; Fox Tail Club Moss
- Foxtail Millet
- Foxtail Prairie Clover; Hares Foot Dalea
- Foxtail Sedge
- Fragrant Bedstraw
- Fragrant Flat Sedge; Rusty Flats Sedge
- Fragrant Flat Sedge; Rusty Flats Sedge
- Fragrant Goldenrod; Sweet Goldenrod; Licorice Goldenrod; Anise Scented Goldenrod
- Fragrant Honeysuckle; Winter Honeysuckle
- Fragrant Honeysuckle; Winter Honeysuckle
- Fragrant Ladies Tresses; Marsh Ladies Tresses
- Fragrant Spike Sedge; Green Head Sedge
- Fragrant Sumac
- Fragrant Sumac; Squawbush; Squaw Bush
- Franks Sedge
- Fraser Fir; She Balsam; Southern Balsam Fir
- Fraser Magnolia; Mountain Magnolia
- Frasers Loosestrife
- Frasers Marsh St. Johnswort
- Frasers Sedge
- Freemans Trillium; Lookout Mountain Trillium
- Fremonts Leather Flower
- French Broad Heartleaf; French Broad Heart Leaf
- Frenchs Shooting Star
- Frightful Sedge
- Fringe Leaf Wild Petunia
- Fringe Tree; Old Mans Beard
- Fringed Black Bindweed
- Fringed Brome
- Fringed Loosestrife
- Fringed Nut Rush
- Fringed Nut Rush
- Fringed Nut Rush
- Fringed Nut Rush
- Fringed Phacelia
- Fringed Puccoon; Narrow Leaf Gromwell
- Fringed Sedge
- Fringed Willow Herb
- Fringed Willow Herb
- Fringed Yellow Eyed Grass
- Frog Orchid; Long Bract Frog Orchid; Green Orchid
- Frost Grape; Winter Grape
- Frosted Hawthorn
- Frosted Hawthorn
- Frostweed; White Crownbeard
- Frostweed; White Crownbeard
- Fullers Cultivated Teasel
- Fumitory; Earthsmoke; Drug Fumitory; Earth Smoke
- Fuzzy Wuzzy Sedge; Fuzzy Sedge
G
229 plants
- Galax; Beetle Weed
- Gall Of The Earth
- Gallant Soldier
- Gallant Soldier
- Gama Grass
- Gama Grass
- Gaping Grass; Gaping Panic Grass
- Garden Azalea; Hiryu Azalea; Kurume Azalea
- Garden Balsam; Garden Touch Me Not
- Garden Bean; Green Bean; Snap Bean; String Bean; Kidney Bean; Pole Bean; Bush Bean
- Garden Chervil
- Garden Dew Berry
- Garden Lettuce
- Garden Loosestrife; Garden Yellow Loosestrife; Garden Loose Strife; Garden Yellow Loose Strife
- Garden Orpine
- Garden Petunia; Violet Flower Petunia
- Garden Phlox; Fall Phlox
- Garden Pink
- Garden Pink
- Garden Sage
- Garden Sorrel; Green Sorrel
- Garden Strawberry
- Garden Strawberry
- Garden Tansy; Common Tansy
- Garden Vervain
- Garden Vetch; Narrow Leaf Vetch
- Garden Winter Cress; Garden Yellow Rocket
- GardenEvening Primrose; Red Sepal Evening Primrose
- Garlic Mustard
- Garlic Pennycress; Roadside Pennycress
- Gattingers Agalinis; Roundstem False Foxglove
- Gattingers Eastern Bluestar
- Gattingers Goldenrod
- Gattingers Hawthorn
- Gattingers Leatherflower; Vasevine; Gattingers Leather Flower; Vase Vine
- Gattingers Lobelia
- Gattingers Panic Grass
- Gattingers Prairie Clover; Purple Tassels
- Gattingers Rosinweed; Gattingers Rosin Weed
- Gattingers Rosinweed; Starry Rosinweed; Gattingers Rosin Weed; Starry Rosin Weed
- Gay Wings; Flowering Wintergreen; Bird On The Wing
- Georgia Aster; Bighead Georgia Aster
- Georgia Bulrush
- Georgia Calamint
- Georgia Oak
- Georgia Sweet Pitcher Plant; Georgia Sweet Pitcherplant; Georgia Redflowered Pitcherplant; Georgia Red Flowered Pitcherplant; Georgia Red Flower Pitcherplant; Georgia Redflower Pitcherplant; Georgia Redflowered Pitcher Plant; Georgia Red Flowered Pitcher Plant; Georgia Red Flower Pitcher Plant; Georgia Redflower Pitcher Plant
- Gerards Hares Ear; Gerards Thoroughwax
- German Iris; Fleur de Lys
- Germander Speedwell; Germander Speed Well
- Germander Speedwell; Germander Speed Well
- Ghost Pipe; Indian Pipe
- Giant Bamboo
- Giant Bur Reed
- Giant Bur Reed
- Giant Cane; River Cane
- Giant Cut Grass
- Giant Foxtail; Nodding Foxtail
- Giant Green Foxtail
- Giant Hogweed; Giant Hogbane
- Giant Ironweed
- Giant Knotweed
- Giant Reed
- Giant Sedge
- Giantleaf Bamboo
- Glade Blue Curls; False Pennyroyal; Fluxweed
- Glade Cleft Phlox
- Glade Cleft Phlox
- Glade Lobelia
- Glade Mallow; Glademallow
- Glade Milkweed; Green Milkweed; Comet Milkweed
- Glade Orange Cone Flower
- Glade Orange Coneflower; Sullivants Coneflower; Glade Orange Cone Flower; Sullivants Cone Flower
- Glade Rayless Goldenrod; West Gulf Coastal Plain Rayless Goldenrod; Glade Rayless Golden Rod; West Gulf Coastal Plain Rayless Golde Rod
- Glade Skullcap; Leonards Skullcap
- Glade Spurge; Darlington Spurge; Purple Spurge
- Glade St. Johnswort; Straggling St. Johnswort
- Glade Violet; Nashville Violet; Egglestons Violet
- Glade Wild Quinine
- Gladiolus
- Glandular Dodder; Peruvian Dodder
- Glandular Dodder; Peruvian Dodder
- Glaucous Evening Primrose
- Glaucous Evening Primrose
- Glaucous Evening Primrose
- Glaucous Rattlesnake Root; Roan Mountain Rattlesnakeroot; Glaucous Rattlesnakeroot; Roan Mountain Rattlesnake Root
- Glaucous Sundrops
- Globe Amaranth
- Globe Beaksedge
- Globe Bladderpod
- Globe Flatsedge; Round Headed Flat Sedge
- Globe Fruit Primrose Willow
- Globose Sedge; Bulbous Sedge
- Globular Prairie Cone Flower; Grey Headed Cone Flower
- Glomerate Sedge
- Glossy Abelia
- Glossy Privet; Broadleaf Privet; Broadleaved Privet; Broad Leaf Privet; Broad Leaved Privet
- Goat Grass
- Goat Willow
- Goats Beard
- Goats Beard
- Goats Rue; Catgut
- Goblet Aster
- Godfreys Sandwort; Godfreys Stitchwort
- Godfreys Thoroughwort
- Gold Seed; Green And Gold
- Golden Alexanders; Golden Zizia
- Golden Bamboo; Fish Pole Bamboo
- Golden Cattail Sedge; Broadscale Sedge; Gold Fruited Sedge
- Golden Clover; Large Hop Clover
- Golden Club; Bog Torches; Never Wet
- Golden Crownbeard; Golden Crown Beard
- Golden Gladecress; Golden Glade Cress
- Golden Groundsel; Golden Ragwort; Golden Rag Wort; Heartleaf Rag Wort; Heartleaf Ragwort; Heartleaved Rag Wort; Heartleaved Ragwort; Heartleaf Ragwort; Heartleaf Rag Wort; Heartleaved Ragwort; Heartleaved Rag Wort
- Golden Ragwort
- Golden Rain Tree
- Golden Saxifrage
- Golden Tickseed
- Goldenseal
- Goldies Wood Fern
- Goldofpleasure; Falseflax; False Flax; Gold Of Pleasure
- Goldthread; Goldenroot; Three Leaved Goldthread; Threeleaved Goldthread; Threeleaf Goldthread; Three Leaf Goldthread; Three Leaved Gold Thread; Threeleaved Gold Thread; Threeleaf Gold Thread; Three Leaf Gold Thread; Gold Thread; Golden Root
- Good King Henry; Poor Mans Asparagus; Perennial Goosefoot; English Mercury; Mercury Goosefoot; Perennial Goose Foot; Mercury Goose Foot
- Goose Grass
- Goosefoot Cornsalad; Goose Foot Cornsalad; Goosefoot Corn Salad; Goose Foot Corn Salad
- Gooseneck Loosestrife
- Gorge Goldenrod
- Goutweed
- Graceful Sedge
- Grand Redstem
- Granite Dome Bluet
- Granite Dome St. Johns Wort; Granite Dome St. Johnswort
- Granite Flat Sedge
- Granite Gooseberry
- Grape Honeysuckle
- Grass Leaf Arrow Head
- Grass Leaf Gayfeather; Shaggy Gayfeather; Grass Leaf Blazing Star; Shaggy Blazingstar
- Grass Leaf Mud Plantain
- Grass Leaf Rush
- Grass Leaf Starwort
- Grass leaved Ladies Tresses; Giant Ladies Tresses
- Grassleaf Barbaras Buttons; Grassleaved Barbaras Buttons; Grass Leaf Barbaras Buttons; Grass Leaved Barbaras Buttons
- Grassleaf Yellow Loosestrife; Grassleaved Yellow Loosestrife; Grass Leaf Yellow Loosestrife; Grass Leaved Yellow Loosestrife; Grassleaf Yellow Loose Strife; Grassleaved Yellow Loose Strife; Grass Leaf Yellow Loose Strife; Grass Leaved Yellow Loose Strife
- Grasslike Fimbry; Hoorahgrass
- Grasslike Fimbry; Hoorahgrass
- Grasslike Sedge; Grass Like Sedge
- Gravelweed
- Gray Birch; White Birch
- Gray Everlasting; Grey Everlasting
- Gray Goldenrod; Old Field Goldenrod
- Gray Goldenrod; Old Field Goldenrod
- Gray Ground Cherry
- Gray Mouse Ear Chickweed
- Gray Oak; Northern Red Oak; Grey Oak
- Gray Poplar
- Gray Willow; Pussy Willow
- Grayleaf Raspberry; American Red Raspberry
- Grays Lily; Roan Lily
- Grays Sedge
- Great Blue Lobelia
- Great Bulrush; Hard Stem Bulrush
- Great Burdock; Greater Burdock; Great Bur Dock; Greater Bur Dock
- Great Indian Plantain
- Great Laurel; Rosebay
- Great Plains Flat Sedge
- Great Plains Flat Sedge
- Great Plains Flat Sedge
- Great Plains Goldentop
- Great Plains Ladies Tresses
- Great Ragweed
- Great Water Dock
- Great Waterleaf
- Great White Trillium; Large Flower White Trillium
- Great Willow Herb; Fireweed
- Great Yellow Wood Sorrel
- Greater Bladder Sedge
- Greater Bladder Sedge
- Greater Bladderwort; Common Bladderwort
- Greater Celandine
- Greater Chick Weed; Greater Chickweed
- Greater Marsh St. Johnswort
- Greater Marsh St. Johnswort
- Greater Periwinkle
- Greater Straw Sedge
- Greater Swinecress; Greater Swine Cress
- Greater Tickseed
- Green Adders Mouth
- Green Alder; Mountain Alder
- Green Alder; Mountain Alder
- Green And Gold; Greenandgold
- Green Antelopehorn; Spider Milkweed
- Green Arrow Arum; Tuckahoe
- Green Ash
- Green Beebalm; Green Bee Balm
- Green Bulrush
- Green Dock; Clustered Dock
- Green Dragon
- Green Flat Sedge
- Green Foxtail
- Green Foxtail
- Green Fringed Orchid; Ragged Fringed Orchid
- Green Fruit Bur Reed
- Green Hairy Forked Nailwort
- Green Hawthorn
- Green Hawthorn
- Green Head Sedge
- Green Hellebore; Christmas Rose
- Green Kiwi Fruit; Chinese Gooseberry; Kiwi; Green Kiwifruit
- Green Kiwi Fruit; Chinese Gooseberry; Kiwi; Green Kiwifruit
- Green Pitcher Plant; Green Pitcherplant
- Green Trillium
- Green Violet
- Greenland Sandwort; Greenland Stitchwort
- Greenstem Forsythia
- Greenwhite Sedge
- Grey Field Speedwell
- Grey Scurfpea; Grey Scurf Pea; Gray Scurfpea; Gray Scurf Pea; Largestipuled Leather Root; Large Stipule Leather Root; Large Stipuled Leather Root; Largestipule Leather Root
- Grooved Yellow Flax
- Groovestem Indian Plantain
- Grotto Alumroot; Missouri Alumroot
- Ground Juniper
- Ground Juniper
- Groundplum; Ground Plum
- Groundsel
- Grove Bluegrass
- Gulf Coast Green And Gold
- Gulf Pitcherplant; Gulf Pitcher Plant
- Gulf Pitcherplant; Gulf Pitcher Plant
- Gulf Spikemoss; Louisiana Spikemoss; Gulf Spike Moss; Louisiana Spike Moss
- Gulf Vervain; Coarse Vervain
H
224 plants
- Hair Awn Muhly
- Hair Fescue; Fineleaf Sheep Fescue; Fine Leaf Sheep Fescue; Fineleaved Sheep Fescue; Fine Leaved Sheep Fescue
- Hair Fescue; Fineleaf Sheep Fescue; Fine Leaf Sheep Fescue; Fineleaved Sheep Fescue; Fine Leaved Sheep Fescue
- Hair Grass
- Hairgrass
- Hairy Alumroot
- Hairy Angelica
- Hairy Beard Tongue
- Hairy Bedstraw
- Hairy Bitter Cress
- Hairy Blueberry; Wooly Blueberry
- Hairy Bush Honeysuckle; Mountain Bush Honeysuckle
- Hairy Chess
- Hairy Cluster Vine
- Hairy Crabgrass
- Hairy Evening Primrose
- Hairy Evening Primrose
- Hairy False Mallow; Hispid False Mallow
- Hairy Fimbry
- Hairy Fleabane; Robins Plantain
- Hairy Fork Nailwort
- Hairy Fruit Chervil
- Hairy Goldenrod
- Hairy Goldenrod; Harriss Goldenrod; Shale Barren Goldenrod; Hairy Golden Rod; Harriss Golden Rod; Shale Barren Golden Rod
- Hairy Hawkbit
- Hairy Hawkweed
- Hairy Heart Leaf Aster
- Hairy Hedge Nettle
- Hairy Hedge Nettle
- Hairy High Bush Blueberry; Black High Bush Blueberry
- Hairy Holygrass; Sweetgrass; Vanilla Grass
- Hairy Indigo
- Hairy Larkspur
- Hairy Lespedeza
- Hairy Lespedeza
- Hairy Lip Fern
- Hairy Maiden Fern; Hairy Maidenfern
- Hairy Mock Orange; Cumberland Mock Orange
- Hairy Mountain Mint; Whorled Mountain Mint
- Hairy Nightshade
- Hairy Pagoda Plant; Hairy Wood Mint
- Hairy Phlox
- Hairy Pinweed
- Hairy Rock Cress
- Hairy Rockcress
- Hairy Rocket; French Rocket; Dog Mustard
- Hairy Seed Paspalum
- Hairy Seed Paspalum
- Hairy Sharp Scaled Sedge
- Hairy Skullcap
- Hairy Skullcap
- Hairy Small Leaf Tick Trefoil
- Hairy Smartweed; Hairy Smart Weed
- Hairy St. Johnswort; Hairy St. Johns Wort
- Hairy Sunflower
- Hairy Sweet Cicely; Claytons Sweet Cicely
- Hairy Umbrella Sedge
- Hairy Vetch; Winter Vetch
- Hairy Waterleaf; Large Leaf Waterleaf
- Hairy Wild Rye
- Hairy Wild Rye
- Hairy Wild Rye
- Hairy Wirestem Muhly; Mexican Muhly
- Hairy Wood Rush; Hairy Woodrush
- Hairy Wood Rush; Hairy Woodrush
- Hairy Yellow Violet
- Hairy Yellow Violet
- Hairyflower Spider Wort; Hairy Flower Spider Wort; Hairyflowered Spider Wort; Hairy Flowered Spider Wort; Hairyflower Spiderwort; Hairy Flower Spiderwort; Hairyflowered Spiderwort; Hairy Flowered Spiderwort
- Hairyfruit Sedge
- Hairyjoint Meadow Parsnip
- Hairystem Spiderwort
- Halberd Leaf Rose Mallow; Smooth Rose Mallow; Showy Hibiscus
- Halberd Leaf Tear Thumb
- Halberd Leaf Yellow Violet
- Hammock Sedge
- Hammock Sedge
- Harberers Ground Cedar; Harberers Groundcedar
- Harbisons Hawthorn
- Hard Fescue
- Hard Pine; Pitch Pine
- Hardheads; Russian Knapweed
- Hardstem Bulrush; Great Bulrush; Hard Stem Bulrush; Hardstem Bul Rush; Great Bul Rush; Hard Stem Bul Rush
- Hares Ear; Thoroughwax
- Hares Foot Clover; Rabbit Foot Clover
- Hargers Goldenrod
- Harlequin Glorybower; Ferruginous Clerodendrum; Harlequin Glory Bower
- Harlequin Glorybower; Ferruginous Clerodendrum; Harlequin Glory Bower
- Harmonious Aster; Narrow Leaved Smooth Aster; Narrow Leaf Smooth Aster; Narrowleaved Smooth Aster; Narrowleaf Smooth Aster
- Harperella
- Harpers Dodder
- Harpers Fimbry
- Harpers Heartleaf
- Harpers Sedge
- Harpers St. Johns Wort; Harpers St. Johnswort
- Harpers Trout Lily; Harpers Dog Tooth Violet
- Harpers Wild Buckwheat
- Harsh Downy Rose
- Harts Tongue Fern
- Harts Tongue Fern
- Harveys Beaksedge
- Harveys Buttercup
- Haspan Flat Sedge; Sheathed Flat Sedge
- Hay Sedge; Silvery Flowered Sedge
- Hazel Dodder
- Heal All; Self Heal
- Heart Leaf Four Oclock
- Heart Leaf Hedge Nettle
- Heart Leaf Nettle
- Heart Leaf Noseburn
- Heart Leaf Plantain
- Heart Leaf Tick Trefoil; Pointed Tick Trefoil
- Heart Leaf Willow
- Heartleaf Climbing Hempweed; Heartleaved Climbing Hempweed; Heart Leaf Climbing Hempweed; Heart Leaved Climbing Hempweed; Heartleaf Climbing Hemp Weed; Heartleaved Climbing Hemp Weed; Heart Leaf Climbing Hemp Weed; Heart Leaved Climbing Hemp Weed
- Heartleaf Golden Alexanders; Heartleaf Zizia; Meadow Golden Alexanders; Meadow Zizia
- Heartleaf Hedge Nettle; Blue Ridge Hedge Nettle
- Heartleaf Peppervine
- Heartleaf Skullcap
- Heartleaf Skullcap
- Heartleaf Twayblade; Lesser Twayblade
- Heavy Sedge
- Hedge False Bindweed
- Hedge False Bindweed
- Hedge Mustard
- Hedge Mustard; Hedgemustard; Small Tumbleweed Mustard; Small Tumbleweedmustard; Small Tumble Weed Mustard; Small Tumble Weedmustard
- Hedgehog Woodrush
- Hell Root Broomrape
- Hellers Rabbit Tobacco; Hellers Cudweed; Rabbit Tobacco
- Hellers Witch Grass; Few Flower Witch Grass
- Hellers Witch Grass; Few Flower Witch Grass
- Hemlock Parsley
- Hemp Agrimony
- Hemp Dogbane; Indian Hemp
- Hemp; Marihuana
- Henbit; Henbit Dead Nettle; Fairy Horns
- Henbit; Henbit Dead Nettle; Fairy Horns
- Herb Robert
- Herb Sophia
- Hickeys Clubmoss
- Hidden Bittercress; Hidden Bitter Cress
- Hidden Fruited Bladderwort; Hidden Fruit Bladderwort; Hiddenfruited Bladderwort; Hiddenfruit Bladderwort; Hidden Fruited Bladder Wort; Hidden Fruit Bladder Wort; Hiddenfruited Bladder Wort; Hiddenfruit Bladder Wort; Two Flowered Bladderwort; Two Flower Bladderwort; Twoflowered Bladderwort; Twoflower Bladderwort; Two Flowered Bladder Wort; Two Flower Bladder Wort; Twoflowered Bladder Wort; Twoflower Bladder Wort
- Hidden Spike Moss
- High Mallow
- Highbush Blueberry
- Highland Rush
- Hill Cane
- Hill Hawthorn
- Hillside Blueberry; Lowbush Blueberry
- Himalayan Blackberry
- Hirsute American Alumroot; Woodland Alum Root
- Hirsute Sedge
- Hispid Wild Quinine
- Hitchcocks Sedge
- Hiwassee Goldenrod
- Hiwassee Hedge Nettle
- Hoary Alyssum
- Hoary Cress; Hoarycress; Whitlow Grass; Whitlowgrass; Whitetop Cress; White Topped Cress; White Top Cress; Whitetopped Cress
- Hoary Frostweed; Bicknells Hoary Rock Rose
- Hoary Mountain Mint
- Hoary Mountain Mint
- Hoary Mountain Mint
- Hoary Puccoon; Indian Paint; Indianpaint
- Hoary Sedge
- Hoary Skullcap
- Hoary Skullcap
- Hoary Skullcap
- Hoary Skullcap
- Hoary Tick Trefoil
- Hoary Vervain
- Hogpeanut; American Hogpeanut; Hog Peanut; American Hog Peanut
- Hogpeanut; American Hogpeanut; Hog Peanut; American Hog Peanut
- Hollow Stem Joe Pye Weed; Common Joe Pye Weed
- Holly Grape; Oregon Grape; Leatherleaf Mahonia
- Holly Leaf Oregon Grape
- Holly Osmanthus
- Hollyhock
- Holzingers Venus Looking Glass
- Honesty Weed; Rattleweed; Horsefly Weed
- Honesty; Money Plant; Silver Dollar
- Honewort; Canadian Honewort
- Honey Locust
- Honeyweed; Siberian Motherwort; Pipe Shank; Honey Weed; Siberian Mother Wort
- Hooded Arrowhead
- Hooded Blue Violet; Common Blue Violet
- Hooded Skullcap; Marsh Skullcap; Hooded Skull Cap; Marsh Skull Cap
- Hooked Bristlegrass; Hooked Bristle Grass
- Hooked Buttercup; Recurved Buttercuo
- Hooked Buttercup; Recurved Buttercuo
- Hop Hornbeam; Ironwood
- Hop Sedge
- Horned Bladderwort
- Horned Pond Weed
- Horned Sea Blite; Plains Sea Blite; Pursh Seepweed; Horned Seablite; Plains Seablite; Pursh Seep Weed
- Horse Mint
- Horse Mint
- Horse Purslane; Cenecilla; Desert Horse Purslane; Desert Horsepurslane; Horsepurslane
- Horse Radish; Horseradish
- Horsetail Paspalum; Water Paspalum
- Horseweed
- Hortulan Plum
- Hosta; Plantain Lily
- Hounds Tongue; Comfrey
- Howells Pussytoes
- Howells Pussytoes
- Howells Pussytoes
- Hubbard Squash; Pumpkin; Winter Squash
- Hugers Carrion Flower
- Husk Tomato
- Husk Tomato
- Hyacinth
- Hybrid Asian Wisteria
- Hybrid Black Poplar
- Hybrid Cattail; Hybrid Cat Tail
- Hybrid Dogbane; Hemp Dogbane
- Hybrid Enchanters Nightshade; Sterile Enchanters Nightshade; Hybrid Enchanters Night Shade; Sterile Enchanters Night Shade
- Hybrid Loosestrife
- Hybrid Spleenwort; Scotts Spleenwort
- Hybrid Thoroughwort; Pinnate Boneset
- Hybrid Willow
- Hydrilla
- Hyssop Leaf Thoroughwort
- Hyssop Leaved Hedge Nettle; Hyssopleaved Hedge Nettle; Hyssop Leaf Hedge Nettle; Hyssopleaf Hedge Nettle; Hyssop Leaved Hedgenettle; Hyssopleaved Hedgenettle; Hyssop Leaf Hedgenettle; Hyssopleaf Hedgenettle
- Hyssopleaf Sandmat; Hyssop Leaf Sandmat; Hyssopleaved Sandmat; Hyssop Leaved Sandmat; Hyssopleaf Sand Mat; Hyssop Leaf Sand Mat; Hyssopleaved Sand Mat; Hyssop Leaved Sand Mat
- Hyssopleaf Thoroughwort; Hyssop Leaf Thoroughwort; Hyssopleaved Thoroughwort; Hyssop Leaved Thoroughwort; Hyssopleaf Thorough Wort; Hyssop Leaf Thorough Wort; Hyssopleaved Thorough Wort; Hyssop Leaved Thorough Wort
- Hyssopleaf Thoroughwort; Hyssop Leaf Thoroughwort; Hyssopleaved Thoroughwort; Hyssop Leaved Thoroughwort; Hyssopleaf Thorough Wort; Hyssop Leaf Thorough Wort; Hyssopleaved Thorough Wort; Hyssop Leaved Thorough Wort
I
34 plants
- Iberian Crane Bill; Iberian Cranes Bill; Iberian Cranesbill; Iberian Cranebill; Iberian Geranium
- Illinois Carrionflower; Illinois Carrion Flower
- Illinois Horse Gentian
- Illinois Pond Weed
- Illinois Wood Sorrel
- Inchplant; Wandering Jew; Sebra Plant; Creeping Charlie; Wandering Dude
- India Love Grass
- India Love Grass
- Indian Cucumber Root
- Indian Cupscale; Weeping Alkaligrass; European Alkali Grass; Weeping Alkali Grass; European Alkaligrass
- Indian Grass
- Indian Heliotrope
- Indian Jointvetch; Southern Jointvetch
- Indian Strawberry
- Indian Tobacco
- Indiana Arrow Wood; Arrowwood Viburnum; Deams Viburnum; Indiana Arrowwood; Arrow Wood Viburnum
- Inflated Narrow Leaf Sedge
- Inland Muhly
- Inland Roundleaved Eupatorium
- Inland Rush
- Inland Sedge
- Interior Small Flower Phacelia
- Interior Wild Rice; Northern Wildrice; Interior Wildrice; Northern Wild Rice
- Interior Wild Rice; Northern Wildrice; Interior Wildrice; Northern Wild Rice
- Intermediate Mermaid Weed
- Intermediate Spike Rush; Matted Spike Rush
- Iris Leaf Yelloweyed Grass; Lax Yellow Eyed Grass
- Italian Arum
- Italian Arum
- Italian Clematis; European Purple Clematis
- Italian Gladiolus
- Italian Rye Grass
- Ivy Leaf Morning Glory
- Ivyleaf Speedwell
J
65 plants
- Jack Go To Bed At Noon
- Jack In The Pulpit
- Jack In The Pulpit
- Jack In The Pulpit; Swamp Jack; Small Jack
- Jack Pine
- Jackson Briar; Jacksonbriar
- Jacobs Ladder; Greek Valerian
- Jacobs Ladder; Greek Valerian
- Jacobs Ladder; Greek Valerian
- Jagged Chickweed
- Jagged Chickweed
- James Sedge
- Japanese Barberry
- Japanese Beautyberry; Japanese Beauty Berry
- Japanese Bind Weed; Japanese Bindweed
- Japanese Cedar; Cryptomeria
- Japanese Chaff Flower
- Japanese Chaff Flower
- Japanese Chess; Japanese Brome
- Japanese Climbing Fern; Goblins Foot
- Japanese Flowering Cherry; Oriental Cherry; Oshima Cherry
- Japanese Flowering Quince
- Japanese Hedge Parsley
- Japanese Holly
- Japanese Honeysuckle; Japanese Honey Suckle
- Japanese Hops
- Japanese Knotweed
- Japanese Lady Fern; Japanese Glade Fern
- Japanese Lawn Grass; Korean Lawn Grass; Zoysia; Japanese Lawngrass; Korean Lawngrass
- Japanese Lespedeza; Japanese Clover
- Japanese Loosestrife; Dwarf Creeping Jenny
- Japanese Maple
- Japanese Mazus
- Japanese Meadowsweet; Japanese Spiraea
- Japanese Millet; Billion Dollar Grass
- Japanese Privet
- Japanese Redtip; Japanese Red Tip
- Japanese Rose; Kerria
- Japanese Snowball; Doublefile Viburnum
- Japanese Spindle Tree; Japanese Spindletree
- Japanese Spiraea
- Japanese Spurge
- Japanese Stiltgrass; Nepalese Browntop
- Japanese Wisteria
- Japanese Yew
- Java Bean Senna; Coffeeweed
- Jennys Stonecrop; Trip Madam; Jennys Stone Crop
- Jerusalem Artichoke
- Jerusalem Ok; Feather Geranium; Sticky Goosefoot; Feathered Geranium; Sticky Goose Foot
- Jetbead
- Jewelsofopar; Pink Babysbreath; Jewels of Opar; Pink Baby Breath
- Jimsonweed
- Jobs Tears
- John Becks Leafcup
- Johnson Grass
- Jointed Rush
- Jointed Spike Rush; Horsetail Spike Rush
- Jointed Wood Sorrel
- Jointweed
- Jonquil
- Joors Variable Panicgrass; Joors Variable Panic Grass
- Jumpseed; Virginia Knotweed; Virginia Jumpseed
- Jungle Rice; Awnless Barnyard Grass
- Juniper Sedge
- Justice Weed
K
44 plants
- Kalm Brome; Canada Brome; Arctic Brome; Prairie Brome
- Kankakee Globemallow; Kankakee Globe Mallow
- Kansas Hawthorn
- Kariba Weed; Giant Salvinia
- Kates Mountain Clover; Shale Barren Clover; Shalebarren Clover
- Keeled Bul Rush; Keeled Lateral Bul Rush
- Kelseys Locust; Bristly Locust
- Kenilworth Ivy
- Kentucky Bluegrass
- Kentucky Bluegrass; Junegrass; Speargrass; Kentucky Blue Grass; June Grass; Spear Grass; Jungrass; Jun Grass
- Kentucky Bluegrass; Junegrass; Speargrass; Kentucky Blue Grass; June Grass; Spear Grass; Jungrass; Jun Grass
- Kentucky Clover
- Kentucky Coffee Tree
- Kentucky Goldenrod; Shorts Goldenrod; Rock Goldenrod; Kentucky Golden Rod; Shorts Golden Rod; Rock Golden Rod
- Kentucky Ladys Slipper; Kentucky Moccasin Flower
- Kentucky Skullcap
- Kentucky Viburnum
- Kidney Leaf Mudplantain
- Kidney Leaf Rosinweed
- Kidney Leaf Rosinweed
- Kidney Leaf Rosinweed; Ragged Rosinweed
- Kidneyshape Sedge
- King Ranch Bluestem; Yellow Bluestem
- King Ranch Bluestem; Yellow Bluestem
- Kingdevil; King Devil
- Kingdevil; Tall Hawkweed; King Devil; Tall Hawk Weed
- Kingnut Hickory; Big Shellbark Hickory
- Kings Mountain Gayfeather; Kings Mountain Blazing Star
- Kirilow Indigo
- Kiss me over the garden gate; Princes Feather
- Kiss Me Quick
- Knawel; Annual Knawel; Knotgrass; German Knotgrass
- Knot Grass
- Knotroot Bristlegrass; Perennial Foxtail Grass; Knotroot Bristle Grass; Perennial Foxtailgrass
- Knotted Hedge Parsley
- Korean Clover; Korean Lespedeza
- Korean Spice Viburnum
- Kousa Dogwood
- Krals Beard Tongue
- Krals Sedge
- Kudzu
- Kudzu
- Kunths Maiden Fern; Southern Shield Fern
- Kunths Witch Grass; Blood Witch Grass
L
239 plants
- Lace Flower; Mock Bishop Weed
- Lace Love Grass
- Lake Cress
- Lake Ella Crabgrass; Lake Ella Crab Grass
- Lakeshore Sedge; Lakeside Sedge; Lake Shore Sedge; Lake Side Sedge
- Lambs Quarters
- Lambs Quarters
- Lamp Rush; Common Rush
- Lance Leaf Anemone
- Lance Leaf Bedstraw; Wild Licorice
- Lance Leaf Bluet; Calycose Bluet
- Lance Leaf Buckthorn
- Lance Leaf Fogfruit; Lance Leaf Frog Fruit
- Lance Leaf Goldenrod
- Lance Leaf Ragweed
- Lance Leaf Tickseed
- Lance Leaf Trillium
- Lance Leaf Twisted Stalk
- Lance Leaf Twisted Stalk
- Lance Leaf Violet
- Lance Leaf Violet
- Lance Leaved Spikerush; Dagger Leaved Spike Rush
- Lanceleaf Blanketflower; Lance Leaf Blanketflower; Lance Leaved Blanketflower; Lanceleaved Blanketflower; Lanceleaf Blanket Flower; Lance Leaf Blanket Flower; Lance Leaved Blanket Flower; Lanceleaved Blanket Flower; Winklers Blanket Flower; Winklers Blanketflower; Lanceleaf Gaillardia; Lanceleaved Gaillardia; Lance Leaf Gaillardia; Lance Leaved Gaillardia
- Lanceleaf Grape Fern; Narrow Triangle Moonwort
- Lanceleaf Grapefern; Triangle Moonwort; Lanceleaf Grape Fern; Triangle Moon Wort; Lanceleafed Grapefern; Lanceleafed Grape Fern; Lance Leafed Grapefern; Lance Leafed Grape Fern
- Lanceleaf Loosestrife
- Lanceleaf Scurfpea; Lance Leaf French Grass
- Laphams Blue Phlox
- Large Bract Plantain
- Large Bract Tick Trefoil
- Large Dragonhead Pogonia; Large Dragon Head Pogonia
- Large Fire Pink
- Large Flower Bellwort
- Large Flower Coreopsis; Large Flowered Coreopsis; Largeflower Coreopsis; Largeflowered Coreopsis; Large Flower Tick Seed; Large Flowered Tick Seed; Largeflower Tick Seed; Largeflowered Tick Seed; Large Flower Tickseed; Large Flowered Tickseed; Largeflower Tickseed; Largeflowered Tickseed
- Large Flower Coreopsis; Large Flowered Coreopsis; Largeflower Coreopsis; Largeflowered Coreopsis; Large Flower Tick Seed; Large Flowered Tick Seed; Largeflower Tick Seed; Largeflowered Tick Seed; Large Flower Tickseed; Large Flowered Tickseed; Largeflower Tickseed; Largeflowered Tickseed
- Large Flower Evening Primrose
- Large Flower Heart Leaf
- Large Flower Skullcap
- Large Flower Tickseed
- Large Flower Valerian
- Large Flower Yellow False Foxglove
- Large Fruit Black Snakeroot
- Large Leaf Grass of Parnassus; Limestone Grass of Parnassus
- Large Leaf Wild Indigo
- Large Mouse Ear Chickweed
- Large Mouse Ear Chickweed
- Large Purple Fringed Orchid
- Large Sanicle; Canadian Blacksnakeroot; Canadian Black Snakeroot; Canadian Black Snake Root
- Large Seed Forget Me Not
- Large Solomons Seal; King Solomons Seal
- Large Spike Rush
- Large Spotted St. Johnswort; False Spotted St. Johnswort; Large Spotted St. Johns Wort; False Spotted St. Johns Wort
- Large Stem Alumroot
- Large Toothwort; Large Tooth Wort
- Large Tubercled Spike Rush; Cone Cup Spikerush
- Large White Fringed Orchid
- Large Whorled Pogonia
- Large Yellow Ladys Slipper
- Large Yellow Vetch
- Largebract Ticktrefoil
- Largefruit Amaranth
- Largespine Haw Thorn; Largespined Haw Thorn; Large Spine Haw Thorn; Large Spined Haw Thorn; Largespine Hawthorn; Largespined Hawthorn; Large Spine Hawthorn; Large Spined Hawthorn; Passionate Hawthorn; Passionate Haw Thorn
- Larkspur Tickseed
- Lateflowering Thoroughwort
- Laurel Greenbrier
- Laurel Oak
- Laurel Willow
- Lavender Bladderwort
- Lavender Cotton
- Lavender Giant Hyssop; Blue Giant Hyssop
- Lawn Blue Eyed Grass; Annual Blue Eyed Grass
- Lawn Marsh Pennywort
- Leaf Mustard Greens; Brown Mustard Greens; Indian Mustard Greens
- Leafy Bulrush
- Leafy Elephants Foot; Carolina Elephants Foot
- Leafy Meadow Phlox; Wild Sweet William
- Leafy Pond Weed
- Leafy Pond Weed
- Least Duckweed
- Least Hop Clover
- Least Moonwort; Least Moon Wort
- Least Moonwort; Least Moon Wort
- Leatehr Leaf Tassel Rue
- Leatherl Leaf Viburnum
- Leatherleaf; Cassandra; Leather Leaf
- Leatherwood
- Leathery Rush
- Leavenworths Goldenrod; Leavenworths Golden Rod
- Leavenworths Sedge
- Lecontes Violet; Sand Violet
- Leggetts Pinweed; Southern Hairy Pinweed
- Leggetts Pinweed; Southern Hairy Pinweed
- Leggetts Pinweed; Southern Hairy Pinweed
- Lemon Balm; Common Balm; Balm
- Lemon Bee Balm
- Lemon Bee Balm
- Lemon Thyme
- Lentil Vetch; Slender Vetch
- Leopardsbane; Southeastern Arnica; Leopards Bane
- Lesqurs Bladderpod
- Lesser Calamint
- Lesser Calamint; Basil Thyme
- Lesser Canadian St. Johnswort
- Lesser Celandine; Fig Buttercup
- Lesser Celandine; Fig Buttercup
- Lesser Centaury; Branched Centaury
- Lesser Chickweed; Lesser Chick Weed
- Lesser Creeping Rush
- Lesser Duckweed
- Lesser Marsh St. Johnswort
- Lesser Marsh St. Johnswort
- Lesser Quaking Grass
- Lesser Rattlesnake Plantain
- Lesser Round Leaf Orchid; Pad Leaf Orchid
- Lesser Snakeroot; Lesser Snake Root
- Lesser Swine Cress
- Lesser Tussock Sedge
- Lewis Loosestrife
- Licorice Bedstraw
- Lilac; Common Lilac
- Lily Leaf Twayblade
- Lily of the Valley Vine; Lilyofthevalley Vine; Pampas Lily of the Valley; Pampas Lilyofthevalley; Cocks Eggs
- Lime Barren Sandwort; Lime Barren Stitchwort; Dixie Stitchwort; Dixie Sandwort
- Limerock Arrow Wood
- Limestone Adders Tongue
- Limestone Carolina Lark Spur
- Limestone Carolina Lark Spur
- Limestone Forest Sedge
- Limestone Hedge Hyssop; Quartermans Hedge Hyssop
- Limestone Meadow Sedge; Corn Cob Sedge
- Limestone Quillwort; Butlers Quillwort
- Limestone Wild Petunia
- Limp Manna Grass
- Linden Viburnum
- Lindheimers Croton
- Lindheimers Croton; Three Seeded Croton; Threeseed Croton; Threeseeded Croton; Three Seed Croton
- Lindheimers Croton; Three Seeded Croton; Threeseed Croton; Threeseeded Croton; Three Seed Croton
- Lindheimers Witch Grass; Lindheimer Panic Grass
- Lindleys Butterflybush
- Linear Leaved Witchgrass; Linearleaved Witchgrass; Linear Leaved Witch Grass; Linearleaved Witch Grass; Linear Leaf Witchgrass; Linearleaf Witchgrass; Linear Leaf Witch Grass; Linearleaf Witch Grass
- Lined Sedge
- Lions Ears; Lionsears; Lightning Rod Plant; Lightningrodplant
- Lions Tail; Horehound Motherwort; Hore Hound Motherwort; Horehound Mother Wort; Hore Hound Mother Wort
- Liriope; Lily Turf
- Little Barley
- Little Blue Stem
- Little Bluestem
- Little Brown Jugs; Little Brown Pigs
- Little Duckweed
- Little Evening Primrose
- Little Flower Alumroot; Cumberland Grotto Alumroot
- Little Flower Alumroot; Cumberland Grotto Alumroot
- Little Gallberry; Inkberry; Little Gall Berry; Ink Berry
- Little Hawkbit
- Little Head Nut Rush
- Little Heartleaf; Little Heart Leaf
- Little Ladies Tresses; Pearl Twist
- Little Love Grass
- Little Red Hawthorn
- Little River Water Plantain
- Littleflower Alumroot; Little Flower Alumroot; Littleflowered Alumroot; Little Flowered Alumroot; Littleflower Alum Root; Little Flower Alum Root; Littleflowered Alum Root; Little Flowered Alum Root
- Littlehip Hawthorn
- Littlepod False Flax
- Littletooth Sedge; Little Tooth Sedge; Littletoothed Sedge; Little Toothed Sedge
- Live Oak
- Liveforever; Live For Ever; Live Forever
- Lobed Spleenwort
- Lobed Tickseed
- Loblolly Pine
- Log Fern
- Long Flower Alumroot
- Long Flower Alumroot
- Long Flower Beeblossom
- Long Fringed Sedge
- Long Leaf Ground Cherry
- Long Leaf Ground Cherry
- Long Leaf Ground Cherry
- Long Leaf Panic Grass; Redtop Panic Grass
- Long Leaf Panic Grass; Redtop Panic Grass
- Long Leaf Pond Weed
- Long Leaf Starwort; Long Leaf Chickweed
- Long Leaf Summer Bluet
- Long Leaf Wedge Grass
- Long Ligule Witchgrass; Coastal Plain Panicgrass; Coastal Plain Witchgrass; Long Ligule Panicgrass
- Long Sepal Beard Tongue
- Long Spike Triden
- Long Spur Violet
- Long Stalk Aster
- Long Stalk Aster
- Long Stalk Cranes Bill
- Long Stalk Sedge
- Long Stalk Sedge
- Long Tail Wild Ginger
- Longbeak Arrowhead
- Longbract Wild Indigo
- Longdisk Sneezeweed; Long Disk Sneezeweed; Longdisked Sneezeweed; Long Disked Sneezeweed; Longdisk Sneeze Weed; Long Disk Sneeze Weed; Longdisked Sneeze Weed; Long Disked Sneeze Weed
- Longhair Sedge; Bottlebrush Sedge
- Longleaf Lobelia; Long Leaf Lobelia; Longleaved Lobelia; Long Leaved Lobelia
- Longleaf Pine; Southern Pine; Long Leaf Pine; Longleaved Pine; Long Leaved Pine; Long Leafed Pine; Longleafed Pine
- Longleaf Sunflower; Longleaved Sunflower; Long Leaf Sunflower; Long Leaved Sunflower
- Longleaf Woodoats; Longleaf Spike Grass
- Longleaf Woodoats; Longleaf Spike Grass
- Longs Rush
- Longs Sedge
- Longstem Adders Tongue; Stalked Adders Tongue
- Lookout Mountain Coreopsis
- Loomiss Mountain Mint
- Loose Flower Water Willow
- Loose Milkwort; Whorled Milkwort
- Loosehead Beaksedge
- Lop Sided Rush
- Loropetalum
- Louisiana Lettuce; Biannual Lettuce
- Louisiana Sedge
- Louisiana Wake Robin; Louisiana Wakerobin
- Love Lies Bleeding; Tasselflower; Purple Amaranth; Amaranth; Tassel Flower; Foxtail Amaranth; Fox Tail Amaranth
- Loveinamist; Love in a Mist; Fennelflower; Fennel Flower
- Low Agrimony; Small Fruit Agrimony
- Low Cudweed; Marsh Cudweed; Low Cud Weed; Marsh Cud Weed
- Low False Bindweed
- Low False Bindweed
- Low Frostweed
- Low Hop Clover
- Low Mallow
- Low Rough Aster
- Low Serviceberry
- Low Showy Aster; Lowshowy Aster
- Low Spearwort; Small Spearwort
- Low Spikesedge
- Low Stiff Witchgrass; Addisons Rosette Grass; Low Stiff Witch Grass; Addisons Rosettegrass
- Low Stiff Witchgrass; Around Fruit Witch Grass
- Low Woodland Sedge
- Lowland Beard Tongue
- Lowland Bladder Fern; Southern Bladder Fern
- Lowland Loosestrife
- Lucy Brauns Rosinweed; Prairie Dock
- Lucy Brauns White Snakeroot; Rockhouse White Snake Root
- Lyre Leaf Rockcress; Dwarf Rock Cress; Lyrate Rock Cress
- Lyre Leaf Rockcress; Dwarf Rock Cress; Lyrate Rock Cress
M
223 plants
- Mad Dog Skullcap; Tall Blue Skullcap
- Mahaleb Cherry; Perfumed Cherry; St. Lucie Cherry; Rock Cherry
- Mahaleb Cherry; Perfumed Plum
- Maid of the Mist; Appalachian Meadow Rue
- Maidenhair Spleenwort
- Maidenhair Tree; Ginkgo
- Malabar Sprangletop
- Maleberry
- Manharts Sedge; Blue Ridge Purple Sedge
- Manilla Temple Grass
- Many Flower Witch Grass; Small Fruit Witch Grass
- Many Seed Goose Foot; Many Seed Goosefoot; Manyseed Goose Foot; Manyseed Goosefoot; Many Seeded Goose Foot; Many Seeded Goosefoot; Manyseeded Goose Foot; Manyseeded Goosefoot
- Many Spike Flat Sedge; Texas Flat Sedge
- Manyflower Flat Sedge; Porters Flat Sedge
- Manyfruit Seedbox; Manyfruit Primrose Willow; Manyfruited Seedbox; Manyfruited Primrose Willow; Many Fruit Seedbox; Many Fruit Primrose Willow; Many Fruited Seedbox; Many Fruited Primrose Willow; Manyfruit Seed Box; Manyfruit Prim Rose Willow; Manyfruited Seed Box; Manyfruited Prim Rose Willow; Many Fruit Seed Box; Many Fruit Prim Rose Willow; Many Fruited Seed Box; Many Fruited Prim Rose Willow
- Maple Leaf Alumroot
- Maple Leaf Oak
- Maple Leaf Viburnum
- Mapleleaf Goosefoot
- Marbled Alumroot; Downy Alumroot; Marbled Alum Root; Downy Alum Root
- Margaretts Hawthorn
- Marginal Wood Fern
- Mariana Maiden Fern; Sword Fern
- Maritime Orach; Scotland Orache
- Maritime Pokeweed; Maritime Poke Weed
- Maroon Carolina Milkvine; Maroon Carolina Spinypod
- Marsh Bedstraw
- Marsh Bellflower
- Marsh Bellflower
- Marsh Bellflower
- Marsh Blue Violet; Bog Violet
- Marsh Clematis; Southern Leather Flower; Swamp Leather Flower
- Marsh Dayflower
- Marsh Elder; Sumpweed
- Marsh Eryngo
- Marsh Flat Sedge
- Marsh Grass; Maiden Cane
- Marsh Marigold; Cowslip
- Marsh Marigold; Cowslip
- Marsh Mermaid Weed
- Marsh Mermaidweed
- Marsh Mermaidweed; Southern Mermaid Weed
- Marsh Mermaidweed; Southern Mermaid Weed
- Marsh Muhly
- Marsh Parsley
- Marsh Pea; Marsh Vetchling
- Marsh Pepper Smartweed
- Marsh Stonecrop; Ditch Stonecrop
- Marshcress; Austrian Yellowcress; Marsh Cress; Austrian Yellow Cress
- Marvelofperu; Morning Rose; Morningrose; Marvel Of Peru; Garden Four Oclock; Garden Four O Clock; Garden Fouroclock; Four O Clock; Fouroclock; Four Oclock
- Marvelofperu; Morning Rose; Morningrose; Marvel Of Peru; Garden Four Oclock; Garden Four O Clock; Garden Fouroclock; Four O Clock; Fouroclock; Four Oclock
- Maryland Black Snakeroot
- Maryland Goldenaster
- Maryland Hawkweed; Maryland Hawk Weed
- Maryland Meadow Beauty; Pale Meadow Beauty
- Maryland Meadow Beauty; Pale Meadow Beauty
- Maryland Milkwort
- Maryland Senna
- Maryland Tick Trefoil; Smooth Small Leaf Tick Trefoil
- Mascarene Island Leaf Flower
- Masons Starwort
- Masterwort
- Masterwort; Cow Parsnip; American Hogweed
- Mat Sandbur; Mat Sandspur
- Matrimony Vine
- Mattamuskeet Witchgrass; Mattamuskeet Witch Grass
- Matted Sandmat; Roundleaf Sandmat
- Matted Tick Trefoil; Matted Ticktrefoil
- Matting Witch Grass; Matting Panic Grass
- Matweed Amaranth; Matweed Pigweed; Prostrate Pigweed; Prostrate Amaranth
- Maximilians Sunflower
- May Apple
- May Prairie Aster
- Mayberry; Elliotts Blueberry
- Mayflower Marsh Pennywort
- Mayweed; Stinking Chamomile
- McCartney Rose
- McCartney Rose; Chickasaw Rose
- Meadow Bluegrass; Rough Bluegrass; Meadow Blue Grass; Rough Blue Grass
- Meadow Fescue
- Meadow Foxtail
- Meadow Garlic; Mobile Onion
- Meadow Garlic; Wild Onion
- Meadow Garlic; Wild Onion
- Meadow Gentian; Bottle Gentian
- Meadow Hawkweed
- Meadow Knapweed; Meadow Knap Weed
- Meadow Sage
- Meadow Salsify
- Meadow Sweet; Queenofthemeadow; Queen Of The Meadow; Meadowsweet
- Meadow Willow
- Meads Sedge
- Mediterranean Love Grass
- Meehans Mint
- Melic Manna Grass
- Melonette; Creeping Cucumber; Guadeloupe Cucumber
- Memorial Rose
- Memorial Rose; Dorothy Perkins Rose; Lucie Rose
- Memorial Rose; Lucie Rose
- Menges Fameflower
- Menzies Baby Blue Eyes
- Mexican Plum
- Mexican Poppy; Mexican Prickly Poppy
- Mexican Sprangletop
- Mexican Tea
- Mexican White Sage
- Miami Mist
- Michauxs Croton; Narrowleaf Croton
- Michauxs Glade Cress
- Michauxs Lily
- Michauxs Saxifrage
- Michigan Lily
- Midland Sedge
- Midwestern Blue Heart Leaved Aster; Shorts Aster; Midwestern Blue Heartleaved Aster; Midwestern Blue Heart Leaf Aster; Midwestern Blue Heartleaf Aster
- Midwestern Bold Goldenrod; Midwestern Bold Golden Rod
- Midwestern Butterfly Milkweed
- Midwestern Dwarf Gentian
- Midwestern Evening Primrose; Meadow Evening Primrose
- Midwestern Fleabane; Midwestern Flea Bane
- Midwestern Goats Beard
- Midwestern Indian Physic; American Ipecac
- Midwestern Ninebark
- Midwestern Ninebark; Midwestern Nine Bark
- Midwestern Poison Ivy; Poison Ivy
- Midwestern Purple Turtle Head; Red Rose Turtlehead
- Midwestern Tickseed Sunflower
- Mile A Minute Vine; Asiatic Tear Thumb
- Milk Thistle
- Millboro Leatherflower; Millboro Leather Flower
- Minniebush
- Minute Duckweed
- Miss Prices Aster; Sadies Aster
- Miss Vails Hawthorn
- Missouri Goldenrod
- Missouri Gooseberry
- Missouri Ironweed
- Missouri Lambs Quarters
- Missouri Maidenbush
- Missouri Rock Cress
- Missouri Violet
- Mitchells Sedge
- Mockernut Hickory; White Hickory
- Mohrs Eupatorium
- Mohrs Hawthorn
- Mohrs Rosinweed
- Monkey Face Orchid; White Fringeless Orchid
- Monongahela Barbaras Buttons
- Moonseed; Yellow Parilla
- Morefields Leather Flower
- Morrows Honeysuckle
- Mosla; Miniature Beefsteak Plant
- Moss Phlox; Moss Pink
- Mossy Stonecrop; Golden Carpet; Bitter Stone Crop
- Moth Mullein
- Mother Of Thyme; Motherofthyme
- Mother Of Thyme; Motherofthyme
- Motherofthyme; Basil Thyme; Mother Of Thyme
- Motherwort; Lions Tail
- Mottled Trillium; Spotted Trillium
- Mound Lily Yucca; Spanish Bayonet; Moundlily Yucca
- Mountain Bellwort
- Mountain Black Cohosh; Mountain Bugbane
- Mountain Blue Eyed Grass; Strict Blue Eyed Grass; Mountain Blueeyed Grass; Strict Blueeyed Grass; Mountain Blueeyedgrass; Strict Blueeyedgrass
- Mountain Brome Like Sedge
- Mountain Camellia
- Mountain Catchfly; Ovate Leaf Catchfly; Mountain Campion; Mountain Catchfly
- Mountain Doghobble
- Mountain Dwarf Dandelion
- Mountain Fetterbush; Red Twig Doghobble
- Mountain Fetterbush; Red Twig Doghobble
- Mountain Golden Alexanders; Meadow Golden Alexanders
- Mountain Golden Heather
- Mountain Heart Leaf
- Mountain Highbush Blueberry
- Mountain Holly
- Mountain Indian Physic; Bowmans Root
- Mountain Laurel; Hunter Laurel
- Mountain Maple
- Mountain Meadow Rue
- Mountain Oat Grass; Flattened Oat Grass
- Mountain Paper Birch; Heartleaf Birch
- Mountain Pepper Bush
- Mountain Phlox; Wide Flower Phlox
- Mountain Pimpernel; Shale Barren Pimpernel; Shalebarren Pimpernel
- Mountain Purple Turtlehead; Erwins Turtlehead
- Mountain Silverbell
- Mountain Silverbell
- Mountain Silverbell
- Mountain Silverbell
- Mountain Spleenwort
- Mountain St. Johnswort
- Mountain St. Johnswort; Bushy St. Johnswort
- Mountain Stonecrop; Woodland Stonecrop
- Mountain Sweet Pitcherplant; Mountain Sweet Pitcher Plant
- Mountain Witch Alder
- Mountain Wood Aster
- Mountain Wood Fern
- Mountain Wood Sorrel; Forest Shamrock
- Mourning Love Grass
- Mouse Ear Cress
- Mouse Ear Hawk Weed; Mouseear Hawk Weed; Mouse Ear Hawkweed; Mouseear Hawkweed
- Mouse Ear Hawkweed
- Mouse Ear Hawkweed
- Mouse Tail
- Mouses Ear; Shade Betony; Mousesear
- Mucronate Sprangletop
- Mucronate Sprangletop
- Mudbank Crown Grass
- Mudmidget
- Muehlenbergs Nut Rush
- Muhlenbergs Sedge
- Muhlenbergs Sedge
- Muhlenbergs Sedge
- Muhlys Bristly Paspalum
- Mullein Foxglove
- Mullein Pink; Rose Campion
- Multiflora Rose
- Multiflora Rose
- Muscadine; Scuppernong
- Muscadine; Scuppernong
- Musk Mallow
- Muskingum River Sedge
- Mustang Grape
N
176 plants
- Naked Stem Sunflower; Naked Stemmed Sunflower; Nakedstem Sunflower; Nakedstemmed Sunflower; Fewleaf Sunflower; Fewleaved Sunflower; Few Leaf Sunflower; Few Leaved Sunflower
- Naked Tick Trefoil
- Naked Witchgrass; Naked Witch Gass
- Nandina; Sacred Bamboo
- Nannyberry; Sheepberry; Nanny Berry; Sheep Berry
- Narrow Fruit Cornsalad
- Narrow Leaf Blue Curls
- Narrow Leaf Bushy St. Johnswort
- Narrow Leaf Cat Tail
- Narrow Leaf Cockspur Hawthorn
- Narrow Leaf Evening Primrose
- Narrow Leaf Evening Primrose
- Narrow Leaf Gentian
- Narrow Leaf Gum Weed
- Narrow Leaf Montia; Narrow Leaf Miners Lettuce
- Narrow Leaf Mountain Mint
- Narrow Leaf Orange Coneflower
- Narrow Leaf Plantain; English Plantain
- Narrow Leaf Primrose Willow
- Narrow Leaf Primrose Willow
- Narrow Leaf Purple Everlasting; Narrow Leaved Purple Everlasting; Narrowleaf Purple Everlasting; Narrowleaved Purple Everlasting
- Narrow Leaf Rose Pink; Narrow Leaf Rose Gentian
- Narrow Leaf Skullcap; Helmet Flower
- Narrow Leaf Speedwell; Skull Cap Speedwell
- Narrow Leaf Vervain
- Narrow Leaf Water Horehound
- Narrow Leaf White Topped Aster
- Narrow Leaf White Topped Aster
- Narrow Lleaf Blue Eyed Grass
- Narrow Panicle Rush
- Narrow Pipewort; Narrow Pipe Wort
- Narrow Plume Grass
- Narrow Pod White Wild Indigo; Spiked White Wild Indigo
- Narrowleaf Evening Primrose
- Narrowleaf Four O''Clock
- Narrowleaf Gladefern; Glade Fern
- Narrowleaf Grass Leaf Goldenaster
- Narrowleaf Hawksbeard; Narrow Leaf Hawksbeard; Narrowleafed Hawksbeard; Narrow Leafed Hawksbeard; Narrowleaved Hawksbeard; Narrow Leaved Hawksbeard; Narrowleaf Hawks Beard; Narrow Leaf Hawks Beard; Narrowleafed Hawks Beard; Narrow Leafed Hawks Beard; Narrowleaved Hawks Beard; Narrow Leaved Hawks Beard
- Narrowleaf Lespedeza
- Narrowleaf Obedient Plant; Narrowleaved Obedient Plant; Narrow Leaf Obedient Plant; Narrow Leaved Obedient Plant; Narrowleaf Obedientplant; Narrowleaved Obedientplant; Narrow Leaf Obedientplant; Narrow Leaved Obedientplant; Narrowleaved Dragonhead; Narrow Leaved Dragonhead; Narrow Leaf Dragonhead; Narrowleaf Dragonhead; Narrowleaved Dragon Head; Narrow Leaved Dragon Head; Narrow Leaf Dragon Head; Narrowleaf Dragon Head
- Narrowleaf Panic Grass; Narrow Leaf Witch Grass
- Narrowleaf Pinweed
- Narrowleaf Plantain Lily; Narrowleaf Plantainlily; Narrow Leaf Plantain Lily; Narrow Leaf Plantainlily; Narrowleafed Plantainlily; Narrowleafed Plantain Lily; Narrow Leafed Plantainlily; Narrow Leafed Plantain Lily; Narrowleaved Plantainlily; Narrowleaved Plantain Lily; Narrow Leaved Plantainlily; Narrow Leaved Plantain Lily
- Narrowleaf Showy Goldenrod
- Narrowleaf Showy Goldenrod; Narrowleaved Showy Goldenrod; Narrow Leaf Showy Goldenrod; Narrow Leaved Showy Goldenrod; Narrowleaf Showy Golden Rod; Narrowleaved Showy Golden Rod; Narrow Leaf Showy Golden Rod; Narrow Leaved Showy Golden Rod; Stiff Leaved Goldenrod; Stiff Leaf Goldenrod; Stiffleaved Goldenrod; Stiffleaf Goldenrod; Stiff Leaved Golden Rod; Stiff Leaf Golden Rod; Stiffleaved Golden Rod; Stiffleaf Golden Rod
- Narrowleaf Wild Leek
- Nashs Blue Eyed Grass
- Nashville Breadroot
- Nashville Breadroot; Nashville Bread Root
- Nashville Camphorweed; Lemon Yellow Goldenaster
- Nashville Camphorweed; Lemon Yellow Goldenaster; Golden Aster; Lemon Yellow Golden Aster; Goldenaster
- Navel Corn Salad
- Necklace Glade Cress
- Necklace Sedge
- Necklace Spike Sedge
- Needle Beaksedge
- Needle Leaf Knotweed
- Needle Leaf Witch Grass; Needle Leaf Panic Grass
- Needle Pod Rush
- Needle Pod Rush
- Needle Spike Rush
- Needle Tip Blue Eyed Grass
- Needleleaf Pincushion Plant; Needleleafed Pincushion Plant; Needle Leaf Pincushion Plant; Needle Leafed Pincushion Plant; Needle Leaved Pincushion Plant; Needleleaved Pincushion Plant; Needleleaf Pin Cushion Plant; Needleleafed Pin Cushion Plant; Needle Leaf Pin Cushion Plant; Needle Leafed Pin Cushion Plant; Needle Leaved Pin Cushion Plant; Needleleaved Pin Cushion Plant
- Nerve Ray
- Nerveless Woodland Sedge
- Nestronia; Conjurers Nut; Leech Brush
- Net Leaf Leather Flower; Reticulate Leather Flower
- Netted Chain Fern
- Netted Nutrush; Netted Nut Rush
- Nettle Leaf Goosefoot
- Nettle Leaf Noseburn
- Nettle Leaf Sage
- Nettleleaf Goosefoot; Sowbain
- Nevius Stonecrop
- New England Aster
- New England Groundsel; New England Ragwort; New England Rag Wort
- New Jersey Muhly
- New Jersey Tea
- New Jersey Tea
- New Jersey Tea
- New York Fern
- New York Ironweed
- New Zealand Spinach; New Zealand Ice Plant
- Nieuwlands Blazing Star; Nieuwlands Blazingstar
- Nieuwlands Blazing Star; Nieuwlands Blazingstar
- Night Flowering Catchfly; Sticky Campion
- Nimble Will
- Nipplewort
- Nodding Beaksedge
- Nodding Beggar Tick
- Nodding Evening Primrose
- Nodding Fescue
- Nodding Ladies Tresses
- Nodding Mouse Ear Chickweed
- Nodding Onion
- Nodding Rattlesnake Root
- Nodding Sedge
- Nodding Thistle; Musk Thistle
- Northeastern Bindweed; Northeastern Bind Weed
- Northeastern Hops; Hop
- Northeastern Slim Spike Three Awn
- Northeastern Tansy Mustard
- Northern Adders Tongue; Northern Adderstongue
- Northern Bed Straw; Northern Bedstraw
- Northern Beech Fern; Narrow Beech Fern
- Northern Bent Grass
- Northern Blazingstar; Northern Gayfeather
- Northern Blue Cohosh; Giant Blue Cohosh
- Northern Blue Flag; Larger Blue Flag; Poison Flag
- Northern Bog Goldenrod; Northern Bog Golden Rod
- Northern Bottlebrush Grass; Awnless Wildrye; Northern Bottle Brush Grass; Awnless Wild Rye
- Northern Bulrush; Mosquito Bulrush; Northern Bul Rush; Mosquito Bul Rush
- Northern Bush Honeysuckle
- Northern Catalpa
- Northern Coastal Violet; Coast Violet
- Northern Common Goldenrod; Northern Common Golden Rod
- Northern Cranebill; Bicknells Cranes Bill; Northern Crane Bill; Bicknells Cranesbill; Northern Cranesbill; Bicknells Crane Bill; Northern Cranes Bill; Bicknells Cranebill
- Northern Dewberry; Swamp Dewberry
- Northern Evening Primrose; Nodding Evening Primrose
- Northern Firmoss; Northern Fir Moss
- Northern Gooseberry; Northern Goose Berry
- Northern Green And Gold; Virginia Green And Gold
- Northern Hackberry; Hackberry
- Northern Hawthorn
- Northern Hollyfern; Northern Holly Fern
- Northern Lady Fern
- Northern Long Sedge
- Northern Longleaf Bluet; Northern Longleaved Bluet; Northern Long Leaf Bluet; Northern Long Leaved Bluet
- Northern Lowbush Blueberry; Low Sweet Blueberry
- Northern Maidenhair Fern
- Northern Maleberry
- Northern Nodding Trillium
- Northern Oak Fern; Northern Oakfern
- Northern Obedient Plant
- Northern Pearl Wort; Birds Eye; Bird Eye; Birdeye; Northern Pearlwort; Birdseye; Perennial Pearlwort; Birdeye Pearlwort; Perennial Pearl Wort; Birdeye Pearl Wort; Bird Eye Pearlwort; Bird Eye Pearl Wort; Birdseye Pearl Wort; Birds Eye Pearlwort; Birds Eye Pearl Wort; Birdseye Pearlwort
- Northern Purple Pitcherplant; Northern Purple Pitcher Plant
- Northern Purple Pitcherplant; Northern Purple Pitcher Plant
- Northern Red Oak
- Northern Riverbank Wild Rye; Wiegands Wildrye; Northern Riverbank Wildrye; Wiegands Wild Rye
- Northern Senega Snake Root; Northern Senega Snakeroot
- Northern Sheepkill
- Northern Shorthusk
- Northern Six Weeks Fescue
- Northern Slender Ladies Tresses; Northern Slender Ladys Tresses
- Northern Smooth Goldentop; Goldentop; Northern Smooth Golden Top; Golden Top; Flat Top Goldentop; Flat Topped Goldentop; Flat Top Golden Top; Flat Topped Golden Top
- Northern Snailseed Pondweed; Spiral Pondweed; Northern Snail Seed Pondweed; Northern Snail Seed Pond Weed; Northern Snailseed Pond Weed; Spiral Pond Weed
- Northern Swamp Buttercup; Marsh Buttercup; Bristly Buttercup; Northern Swamp Butter Cup; Marsh Butter Cup; Bristly Butter Cup
- Northern Swamp Dogwood; Gray Dogwood
- Northern Tickseed Sunflower; Crowned Beggarticks; Northern Tick Seed Sunflower; Crowned Beggar Ticks
- Northern Toothache Tree; Northern Prickly Ash
- Northern Tubercled Orchid
- Northern Water Horehound
- Northern Watermeal
- Northern White Beaksedge
- Northern White Violet
- Northern Wild Rice; Northern Wildrice
- Northern Winged Loose Strife; Winged Loosestrife
- Northern Witch Hazel; American Witch Hazel
- Northern Witch Hazel; American Witch Hazel
- Northern Witchgrass; Northern Witch Grass
- Northern Withe Rod
- Northern Wood Violet; Northern Woodland Violet
- Northwest Territory Sedge; Beaked Sedge
- Norway Maple
- Norway Spruce
- Norwegian Cinquefoil
- Nothern Bog Clubmoss
- Nottoway Valley Brome
- Novel Witch Grass; Novel Witchgrass; Panic Grass; Panicgrass
- Nutgrass; Coco Grass
- Nuttalls Hedge Nettle; Heart Leaf Hedge Nettle
- Nuttalls Lobelia
- Nuttalls Milkwort
- Nuttalls Reed Grass; Arctic Reed Grass
- Nuttalls Tick Trefoil
- Nuttalls Water Starwort
O
91 plants
- Oakes Evening Primrose; Oakes Evening Primrose
- Oakes Pondweed; Oakes Pond Weed
- Oakleaf Goose Foot; Oak Leaf Goose Foot; Oakleaved Goose Foot; Oak Leaved Goose Foot; Oakleaf Goosefoot; Oak Leaf Goosefoot; Oakleaved Goosefoot; Oak Leaved Goosefoot
- Oakleaf Goosefoot
- Oakleaf Hydrangea
- Oat Grass
- Oat Grass
- Oat Grass
- Oats
- Obe Wan Conobea; Narrowleaf Paleseed
- Obedient Plant
- Obtuse Leaf False Foxglove
- Ocean Blue Phacelia
- Ocoee Leather Flower
- Oconee Bells
- Oglethorpe Oak
- Ohio Buckeye
- Ohio Buckeye
- Oklahoma Grass Pink
- Oklahoma Sedge
- Oklahoma Tridens; Hybrid Tridens
- Okra; Gumbo
- Old Fashioned Weigela; Oldfashioned Weigela
- Old Field Aster
- Old Field Aster
- Old Man In The Spring; Toothed White Topped Aster; Toothed White Top Aster; Toothed Whitetopped Aster; Toothed Whitetop Aster
- Old Pasture Blue Grass
- Old Witch Grass; Tumbleweed; Tickle Grass; Old Witchgrass; Ticklegrass
- Oldfield Blackberry; Oldfield Black Berry; Old Field Blackberry; Old Field Black Berry
- Oldfield Five Fingers; Oldfield Fivefingers; Old Field Five Fingers; Old Field Fivefingers
- Oldfield Five Fingers; Oldfield Fivefingers; Old Field Five Fingers; Old Field Fivefingers; Creeping Cinquefoil; Creeping Five Fingers; Creeping Fivefingers
- One Flower Bedstraw
- One Flower Broomrape
- One Flower False Fiddleleaf
- One Flower Flat Sedge
- One Flower Flat Sedge
- One Flower Flat Sedge
- One Seed Bur Cucumber; One Seed Star Cucumber
- Oneflower Hawthorn
- Oneflower Stitchwort; One Flower Stitchwort; Oneflowered Stitchwort; One Flowered Stitchwort; Oneflower Stitch Wort; One Flower Stitch Wort; Oneflowered Stitch Wort; One Flowered Stitch Wort
- Open Flower Witch Grass; Soft Tufted Witch Grass
- Opium Poppy; Common Poppy
- Orange Cosmos; Cosmos; Panchita; Sulphur Cosmos
- Orange Day Lily
- Orange Dwarf Dandelion; Two Flower Dwarf Dandelion
- Orange Dwarf Dandelion; Two Flower Dwarf Dandelion
- Orange Eye Butterfly Bush
- Orange Fruit Horse Gentian
- Orange Hawkweed; Orange Hawk Weed; Devils Paintbrush; Orange Kingdevil; Orange King Devil; Fox And Cubs; Hawk Weed Oxtongue; Hawk Weed Ox Tongue; Hawkweed Ox Tongue; Hawkweed Oxtongue; Foxandcubs
- Orange Jewel Weed; Orange Touch Me Not
- Orange Milk Wort; Orange Milkwort; Red Hot Poker; Redhot Poker
- Orangefruit Horse Gentian; Orangefruited Horse Gentian; Orange Fruit Horse Gentian; Orange Fruited Horse Gentian; Orangefruit Horsegentian; Orangefruited Horsegentian; Orange Fruit Horsegentian; Orange Fruited Horsegentian
- Orangefruit Horse Gentian; Orangefruited Horse Gentian; Orange Fruit Horse Gentian; Orange Fruited Horse Gentian; Orangefruit Horsegentian; Orangefruited Horsegentian; Orange Fruit Horsegentian; Orange Fruited Horsegentian
- Orchard Grass
- Oriental Arborvitae; Tree of Life
- Oriental Bittersweet
- Oriental Lotus Lily; Pink Lotus Lily; Sacred Lotus Lily
- Oriental Photinia
- Osage Orange; Bodock;Hedge Apple
- Osceolas Plume; Crow Poison
- Ostrich Fern
- Oswego Tea; Scarlet Bee Balm
- Ouachita Mountain Sedge
- Ouachita Spurge; Mayfields Spurge
- Oval Flowered Witchgrass; Ovalflowered Witchgrass; Oval Flower Witchgrass; Ovalflower Witchgrass; Eggleaf Rosettegrass; Egg Leaf Rosettegrass; Eggleaved Rosettegrass; Egg Leaved Rosettegrass; Oval Flowered Witch Grass; Ovalflowered Witch Grass; Oval Flower Witch Grass; Ovalflower Witch Grass; Eggleaf Rosette Grass; Egg Leaf Rosette Grass; Eggleaved Rosette Grass; Egg Leaved Rosette Grass
- Oval Ladies Tresses
- Oval Ladies Tresses
- Oval Leaf Knotweed
- Oval Leaf Sedge
- Ovate Leaf False Fiddleleaf
- Ovate Spike Rush
- Ovateleaf Cacalia; Ovateleaved Cacalia; Ovate Leaf Cacalia; Ovate Leaved Cacalia
- Overcup Oak
- Oxeye Daisy
- Ozark Bedstraw; Southwestern Bedstraw
- Ozark Bluestar; Shining Bluestar; Ozark Blue Star; Shining Blue Star
- Ozark Bunch Flower; Bodkin Bunch Flower; Woods Bunch Flower
- Ozark Calamint
- Ozark Downy Phlox
- Ozark Dropseed
- Ozark Lark Spur; Prairie Lark Spur; Carolina Lark Spur; Blue Lark Spur; Ozark Larkspur; Prairie Larkspur; Carolina Larkspur; Blue Larkspur;
- Ozark Least Trillium; Ozark Dwarf Trillium
- Ozark Marbleseed
- Ozark Meadow Beauty
- Ozark Melon; Ozark Squash
- Ozark Mock Orange; Hairy Mock Orange
- Ozark Phacelia
- Ozark Phacelia; Fuzzy Phacelia
- Ozark Ragwort
- Ozark Sundrops; Ozark Sun Drops
- Ozark Tassel Rue
P
315 plants
- Pacific Oakfern; Pacific Oak Fern
- Pacific Snowberry; Snowberry
- Pacific Snowberry; Snowberry
- Pacific Snowberry; Snowberry
- Pagoda Beaksedge; Pagoda Beak Sedge
- Pagoda Dog Wood; Alternate Leaf Dog Wood
- Painted Buckeye
- Painted Leaf; Fire On The Mountain
- Painted Leaf; Wild Poinsettia; Toothed Spurge
- Painted Maple
- Painted Maple
- Painted Sedge
- Painted Trillium; Striped Wake Robin
- Pale Beard Tongue
- Pale Blue Eyed Grass
- Pale Fruited Hawthorn; Pale Fruit Hawthorn; Palefruited Hawthorn; Palefruit Hawthorn; Pale Fruited Haw Thorn; Pale Fruit Haw Thorn; Palefruited Haw Thorn; Palefruit Haw Thorn
- Pale Gentian; Plain Gentian
- Pale Indian Plantain
- Pale Leather Flower
- Pale Purple Coneflower
- Pale Sedge
- Pale Smartweed
- Pale Spike Rush; Olive Spike Rush
- Pale Spike Rush; Olive Spike Rush
- Pale Spike Rush; Yellow Spike Rush; Yellow Spikerush; Pale Spikerush
- Pale St. Johnswort
- Pale Wild Bergamot; Pale Wild Bee Balm
- Pale Yellow Iris
- Pale Yellow Trillium; Pale Trillium; Small Yellow Toadshade; Small Yellow Toad Shade
- Palespike Lobelia
- Palespike Lobelia
- Palespike Lobelia
- Pallid Wedge Grass; Hybrid Wedge Grass
- Palmers Amaranth; Carelessweed; Careless Weed
- Palmers Elm Leaf Goldenrod; Palmers Goldenrod
- Palmers Hawthorn
- Pampasgrass; Uruguayan Pampas Grass; Pampas Grass; Uruguayan Pampasgrass
- Panicled Hydrangea
- Panicled Tick Trefoil
- Panicled Tick Trefoil
- Pansy; Johnny Jump Up
- Paper Birch; Canoe Birch
- Paper Mulberry
- Parachute Sedge
- Paraguayan Starburr; Paraguayan Star Burr
- Parasol Sedge
- Parlins Pussytoes; Big Head Pussytoes
- Parlins Pussytoes; Big Head Pussytoes
- Parrot Feather
- Parsley
- Parsley Hawthorn
- Parsnip; Wild Parsnip
- Partridge Berry
- Passionfruit; Purple Granadilla; Passion Fruit
- Pasture Thistle
- Path Rush; Poverty Rush
- Patience Dock; Monks Rhubarb
- Pawpaw
- Peach Leaf Willow
- Peanut; Earthnut; Goober; Ground Nut; Groundnut; Monkeynut; Earth Nut; Monkey Nut
- Pear Hawthorn
- Pearl Millet
- Pearly Everlasting; Pearlyeverlasting
- Peaty Witchgrass; Peaty Witch Grass
- Pecan
- Pencil Flower
- Pendulous Cutleaf Ground Cherry
- Pendulous Willow; Weeping Willow
- Pennsylvania Bitter Cress
- Pennsylvania Blackberry
- Pennsylvania Catchfly; Pennsylvania Wild Pink
- Pennsylvania Catchfly; Pennsylvania Wild Pink
- Pennsylvania Cudweed
- Pennsylvania Forked Nailwort; Nuttalls Hairy Forked Nailwort
- Pennsylvania Rush
- Pennsylvania Sedge
- Pennywort
- Pepper and Salt; Harbinger of Spring
- Peppermint
- Peppermint
- Peppervine
- Perennial Pea; Flat Pea; Narrow Pea; Everlasting Pea
- Perennial Ragweed
- Perennial Rye Grass; English Rye Grass
- Perennial Sow Thistle; Field Sow Thistle
- Perennial Wall Rocket; Flixweed; Perennial Wallrocket; Flix Weed
- Perfoliate Horsegentian; Feverwort
- Perfoliate Leaf Bellwort
- Perfoliate Penny Cress; Clasp Leaf Penny Cress
- Perfoliate Pepperwort; Clasping Pepperweed; Shield Cress; Clasping Pepper Weed; Shieldcress; Perfoliate Pepper Wort
- Perilla; Beefsteak Plant
- Perplexed Tick Trefoil
- Persian Clover; Pink Clover
- Persimmon
- Persimmon
- Peruvian Zinnia
- Peters Mountain Mallow; Peters Mountainmallow
- Petty Spurge
- Philadelphia Fleabane
- Philadelphia Fleabane
- Philadelphia Panic Grass
- Philadelphia Panic Grass
- Philippine Lily
- Phlox Leaf Aster; Appalachian Clasping Aster
- Pickerel Weed
- Pickerel Weed
- Pie Cherry; Sour Cherry
- Pie Marker; Butter Print; Velvetleaf
- Piedmont Bedstraw
- Piedmont Bottle Brush Grass
- Pignut Hickory
- Pin Oak
- Pine Barren Flat Sedge
- Pine Barrens Death Camas; Pine Barren Feather Bells
- Pineapple Weed
- Pinehill Blue Stem
- Pineland Beaksedge
- Pineland False Sunflower; Pine Land False Sunflower; Pineland False Sun Flower; Pine Land False Sun Flower
- Pineland Marbleseed; Virginia Marbleseed; Pineland Marble Seed; Virginia Marble Seed
- Pineland Silkgrass; Pineland Silk Grass
- Pineland Three Seeded Mercury
- Pineland Tick Trefoil; Pinebarren Tick Trefoil; Pineland Ticktrefoil; Pinebarren Ticktrefoil
- Pineland Yellow Eyed Grass
- Pineweed; Orange Grass
- Pinewoods Rose Gentian; Pinewoods Rosegentian
- Piney woods dropseed
- Pineywoods Dropseed
- Pineywoods Goldenrod; Pineywoods Golden Rod; Piney Woods Goldenrod; Piney Woods Golden Rod
- Pink Coreopsis; Pink Tickseed; Pink Tick Seed
- Pink Fuzzy Bean
- Pink Ladys Slipper; Moccasin Flower
- Pink Queen
- Pink Queen; Spider Flower
- Pink Smartweed
- Pink Sundew
- Pink Thoroughwort
- Pinkroot; Wormgrass; Indian Pink
- Pinkshell Azalea; Pink Shell Azalea
- Pinnate Boneset
- Pipevine; Dutchmans Pipe
- Pipsissewa; Striped Wintergreen; Spotted Wintergreen
- Pitchers Leather Flower
- Pitchers Leather Flower
- Pitchers Stitchwort; Pitchers Sandwort
- Pitchfork Crown Grass
- Pitchfork Paspalum; Pitchfork Crown Grass; Pitchfork Crowngrass
- Pitseeded Goosefoot; Pit Seeded Goosefoot; Pitseed Goosefoot; Pit Seed Goosefoot; Berlandiers Goosefoot; Pitseeded Goose Foot; Pit Seeded Goose Foot; Pitseed Goose Foot; Pit Seed Goose Foot; Berlandiers Goose Foot
- Pitseeded Goosefoot; Pit Seeded Goosefoot; Pitseed Goosefoot; Pit Seed Goosefoot; Berlandiers Goosefoot; Pitseeded Goose Foot; Pit Seeded Goose Foot; Pitseed Goose Foot; Pit Seed Goose Foot; Berlandiers Goose Foot
- Pitted Bluestem; Pitted Blue Stem
- Plains Cottonseed; Plains Snakecotton; Plains Cotton Seed; Plains Snake Cotton
- Plains Kuhnia; Midwestern Brickellia; False Boneset
- Plains Lark Spur; Prairie Lark Spur; Plains Larkspur; Prairie Larkspur
- Plains Love Grass
- Plains Muhly
- Plains Sundrops
- Plains Sunflower; Prairie Sunflower
- Plains Sunflower; Prairie Sunflower
- Plains Wild Indigo; Long Bract Wild Indigo
- Plains Wild Indigo; Long Bract Wild Indigo
- Planer Tree; Water Elm
- Plantain Pussytoes; Ladies Tobacco
- Plantainleaf Sedge; Seersucker Sedge
- Plukenets Flat Sedge
- Plum Leaf Viburnum
- Plumeless Thistle; Broad Winged Thistle; Welted Thistle Broadwinged Thistle; Broad Wing Thistle; Broadwing Thistle
- Plumeless Thistle; Broad Winged Thistle; Welted Thistle Broadwinged Thistle; Broad Wing Thistle; Broadwing Thistle
- Plumleaf Hawthorn; Plumleaved Hawthorn; Plum Leaf Hawthorn; Plum Leaved Hawthorn; Plumleaf Haw Thorn; Plumleaved Haw Thorn; Plum Leaf Haw Thorn; Plum Leaved Haw Thorn
- Pocosin Bayberry; Evergreen Bayberry; Pocosin Bay Berry; Evergreen Bay Berry
- Pocosin Flat Topped Aster; Pocosin Flat Top Aster; Pocosin Flattopped Aster; Pocosin Flattop Aster; Southern Flat Topped Aster; Southern Flattopped Aster; Southern Flat Top Aster; Southern Flattop Aster; Southern Tall Flat Topped Aster; Southern Tall Flattopped Aster; Southern Tall Flattop Aster; Southern Tall Flattop Aster
- Pocosin Witch Alder
- Poets Narcissus
- Poison Hemlock
- Poison Ivy
- Poison Ivy
- Poison Oak
- Poison Sumac
- Pond Love Grass
- Pond Water Starwort; Pondwater Starwort; Pond Water Star Wort; Pondwater Star Wort
- Poor Land Flat Sedge
- Poorjoe
- Popes Sand Parsley; Plains Sand Parsley
- Poppy Mallow; Plains Winecup
- Porcelain Berry; Amur Peppervine
- Porters Goldenrod
- Porters Reed Grass
- Porters Reedgrass
- Possum Grape
- Possum Haw
- Possum Haw
- Post Oak
- Potato Dwarf Dandelion
- Potato; Irish Potato; White Potato
- Poverty Dropseed
- Poverty Oat Grass; Curly Dan
- Poverty Pine; Scrub Pine; Virginia Pine
- Poverty Rush
- Poverty Weed; Nuttalls Povertyweed; Povertyweed; Nuttalls Poverty Weed
- Powdery Cloak Fern; Powdery False Cloak Fern; Powdery Cloakfern; Powdery False Cloakfern; Powdery Cloaked Fern; Powdery False Cloaked Fern; Powdery Cloakedfern; Powdery False Cloakedfern
- Powdery Thalia; Powdery Alligator Flag
- Powell''s Amaranth
- Prairie Blazing Star; Cattail Gayfeather; Kansas Gayfeather; Prairie Blazingstar; Cattail Gay Feather; Kansas Gay Feather
- Prairie Blazingstar; Prairie Blazing Star; Cattail Gayfeather; Cat Tail Gayfeather; Cattail Gayf Feather; Cat Tail Gay Feather
- Prairie Blue Eyed Grass; Prairie Blueeyed Grass
- Prairie Blue Hearts
- Prairie Blue Wild Indigo; Prairie Blue Baptisia
- Prairie Broomweed
- Prairie Celestial; Prairie Pleatleaf; Prairie Pleat Leaf
- Prairie Closed Gentian; Closed Bottle Gentian
- Prairie Crab Apple; Western Crab Apple; Prairie Crabapple; Western Crabapple; Iowa Crab; Bechtel Crab
- Prairie Cup Grass
- Prairie Dropseed
- Prairie False Foxglove
- Prairie Fleabane; Prairie Flea Bane
- Prairie Fringed Orchid
- Prairie Gentian; Downy Gentian
- Prairie Junegrass; Prairie Jungrass; Prairie June Grass; Prairie Jun Grass
- Prairie Parsley
- Prairie Red Root; Prairie Ceanothus
- Prairie Rose
- Prairie Rose; Climbing Rose
- Prairie Rose; Climbing Rose
- Prairie Rose; Climbing Rose
- Prairie Rosinweed; Prairie Dock
- Prairie Rosinweed; Prairie Dock
- Prairie Sedge
- Prairie Snoutbean
- Prairie Spurge; Warty Spurge
- Prairie Straw Sedge
- Prairie Tea; One Seeded Croton
- Prairie Three Awn; Old Field Three Awn
- Prairie Trillium; Recurved Trillium
- Prairie Wedge Grass
- Pretty Honeysuckle
- Pretty Sedge; Woods Sedge
- Prices Aster
- Prices Potato Bean; Travelers Delight
- Prices Wood Sorrel
- Prickly Bog Sedge
- Prickly Bog Sedge; Howes Sedge
- Prickly Lettuce
- Prickly Pear; Pricklypear
- Prickly Sida; Prickly Fanpetals; Prickly Mallow
- Prickly Thorn Apple
- Primrose Leaf Violet
- Primrose Leaf Violet
- Prince of Wales Feather; Princeofwalesfeather
- Princespine; Princes Pine
- Princespine; Princes Pine
- Princess Tree; Empress Tree; Paulownia
- Pringles Autumn Coralroot
- Pringles Old Field Aster
- Prostrate Sandmat
- Prostrate Tick Trefoil; Round Leaf Tick Trefoil
- Prostrate Vervain; Big Bract Vervain
- Prune Fruit Sedge; Corrugated Sedge
- Pubescent Sedge; Hammer Sedge
- Pucks Orpine
- Puff Sheath Dropseed
- Pumpkin Ash
- Pumpkin; Zucchini; Ornamental Gourd; Vegetable Marrow; Field Pumpkin
- Puncture Vine
- Purple Alumroot; Purple Alum Root
- Purple Ameranth; Purple Pigweed; Livid Amaranth; Livid Pigweed
- Purple Archangel; Purple Dead Nettle
- Purple Bedstraw
- Purple Bergamot; Purple Bee Balm
- Purple Chokeberry; Hybrid Chokeberry
- Purple Clematis; Mountain Clematis
- Purple Clematis; Mountain Clematis
- Purple Cliffbrake
- Purple Cress; Limestone Bittercress; Douglass Bittercress
- Purple False Foxglove
- Purple Fountain Grass
- Purple Fringeless Orchid
- Purple Giant Hyssop
- Purple Laurel; Catawba Rhododendron; Mountain Rhododendron
- Purple Leaf Willow Herb
- Purple Loosestrife
- Purple Love Grass
- Purple Meadow Parsnip
- Purple Meadow Parsnip
- Purple Meadowrue; Purple Meadow Rue
- Purple Milkweed
- Purple Moonflower; Lilacbell; Lilac Bell; Purple Moon Flower
- Purple Mullein
- Purple Mullein
- Purple Passion Flower; May Pops
- Purple Phacelia; Fernleaf Phacelia
- Purple Poppy Mallow; Purple Poppymallow
- Purple Poppy Mallow; Purple Poppymallow
- Purple Prairie Clover; Violet Prairie Clover
- Purple Rocket
- Purple Salsify; Oyster Plant
- Purple Sand Grass
- Purple Sand Grass
- Purple Sand Spurrey; Roadside Sand Spurrey; Red Sandspurry; Purple Sandspurry; Purple Sand Spurry; Roadside Sand Spurry; Red Sandspurrey; Purple Sandspurrey
- Purple Sedge; Limestone Purple Sedge
- Purple Star Thistle; Caltrops; Purple Starthistle
- Purple Stem Angelica
- Purple Stem Aster; Swamp Aster; Bristly Aster
- Purple Stem Aster; Swamp Aster; Bristly Aster
- Purple Top Vervain
- Purple Turtlehead; Red Turtle Head
- Purple Turtlehead; Red Turtlehead
- Purplehead Sneezeweed
- Purplestem Beggar Ticks
- Purpletop Vervain
- Purshs Wild Petunia
- Purslane Speedwell; Neckweed
- Purslane Speedwell; Neckweed
- Pussy Willow
- Pygmy Bamboo
- Pygmy Chain Sword; Mud Babies; Dwarf Burhead; Pygmy Chainsword; Mudbabies
- Pynes Ground Plum; Limestone Glade Milkvetch
- Pyramid Magnolia
Q
7 plants
R
210 plants
- Radiant Trillium
- Radish
- Ramie
- Rampion Bellflower; Creeping Bellflower
- Ramps; Wild Leek; Rampscallions
- Rat Tail Fescue
- Rattle Weed; Large Yellow Rattlebox; Rattleweed; Shack Shack; Shak Shak; Yellow Lupin; Wedge Leaf Rattlepod; Wedge Leaved Rattlepod; Wedgeleaf Rattlepod; Wedgeleaved Rattlepod; Wedge Leaf Rattle Pod; Wedge Leaved Rattle Pod; Wedgeleaf Rattle Pod; Wedgeleaved Rattle Pod; Large Yellow Rattle Box
- Rattlesnake Fern; Sang Fern
- Rattlesnake Manna Grass
- Rattlesnake Master; Button Eryngo
- Rattlesnake Master; Button Eryngo
- Rattlesnake Weed
- Ravenels Witch Grass
- Ravenfoot Sedge; Crowfoot Sedge
- Ravenna Grass; Hardy Pampas Grass
- Rayless Mock Goldenrod; Rayless Mock Golden Rod
- Red Amaranth; Blood Amaranth; Purple Amaranth
- Red Baneberry; Red Bane Berry
- Red Berry Greenbrier
- Red Buckeye; Scarlet Buckeye
- Red Buckeye; Scarlet Buckeye
- Red Careless
- Red Chokeberry
- Red Clover
- Red Dock; Sheep Sorrel; Sourgrass; Sheep Sorrel; Sour Grass
- Red Elderberry
- Red Elderberry
- Red Fescue
- Red Flax ;Flowering Flax
- Red Garden Currant
- Red Grape; Cat Grape
- Red Hawthorn
- Red Hawthorn
- Red Hempnettle; Red Hemp Nettle
- Red Hempnettle; Red Hemp Nettle
- Red Hickory; Sweet Pignut Hickory
- Red Lovegrass; Red Love Grass
- Red Lovegrass; Red Love Grass
- Red Maple
- Red Mountain Hawthorn; Red Mountain Haw Thorn
- Red Mulberry
- Red Oak; Northern Red Oak
- Red Osier Dogwood
- Red Osier dogwood
- Red Pine
- Red Pinesap; Pinesap
- Red River Scaleseed; Red River Spermolepis
- Red Root Flat Sedge
- Red Root Spike Rush
- Red Seed Dandelion
- Red Seed Plantain
- Red Sprangletop
- Red Spruce; He Balsam
- Red Trillium
- Red Trillium
- Red Whiskered Clammy Weed
- Red Whiskered Clammy Weed
- Red Willow; Hybrid Crack Willow
- Red Wood Lettuce; Hairy Lettuce
- Redroot Amaranth; Redroot Pigweed
- Redroot; Carolina Redroot
- Redtop
- Redtop Panic Grass
- Redtop Panic Grass
- Redtop; Purpletop; Greasy Grass
- Reed Canary Grass
- Reed Canary Grass; Ribbon Grass; Bulbous Canarygrass; Harding Grass; Reed Canarygrass; Ribbongrass; Bulbous Canary Grass; Hardinggrass
- Reflexed Flat Sedge
- Reflexed Sedge
- Relxed Wild Ginger
- Rescue Grass
- Rescue Grass
- Resinous Sunflower
- Resurrection Fern; Scaly Polypody
- Reverchons Hawthorn
- Reverchons Hawthorn
- Rezniceks Sedge
- Ribbed Sedge
- Ribbon Leaf Pond Weed
- Ribseed Sandmat
- Rice
- Rice Cut Grass
- Rice Field Flat Sedge
- Richards Yellow Eyed Grass
- Richwoods Sedge; Eastern Few Fruited Sedge
- Ridge Stem False Fox Glove
- Ridged Yellow Flax
- Rigid Sedge
- Rigid Whitetop Aster
- Ringed Witch Grass
- Ringseed Rush
- River Birch; Black Birch
- River Bulrush; River Bul Rush
- River Oats; Broadleaf Wood Oats
- River Weed; Riffle Weed; Hornleaf
- Riverbank Brome; Hairy Wood Brome; Early Leaf Brome; Woodland Brome
- Riverbank Evening Primrose; Riverbank Evening Prim Rose
- Riverbank Grape; Riverside Grape; Frost Grape
- Roadside Agrimony
- Roan Mountain Bluets
- Roan Mountain False Goats Beard
- Roan Mountain Goldenrod
- Roan Mountain Rattlesnakeroot
- Roan Mountain Sedge
- Roan Rattlesnake Root; Glaucous Rattlesnakeroot; Purple Rattlesnakeroot; Glaucous White Lettuce; Roan Rattlesnakeroot; Glaucous Rattlesnake Root; Purple Rattlesnake Root
- Roanoke Witch Grass
- Robbins Spikerush; Robbins Spike Rush
- Robust Canada Wild Rye
- Rock Buttercup; Small Flower Buttercup
- Rock Clubmoss
- Rock Fameflower; Quill Fameflower; Appalachian Rock Pink
- Rock Goldenrod; Riverbank Goldenrod
- Rock Harlequin
- Rock House Meadow Rue; Little Mountain Meadow Rue
- Rock Muhly
- Rock Pellitory
- Rock Pimpernel; Riverbank Pimpernel
- Rock Sandwort
- Rock Spike Moss
- Rockcastle Wood Aster
- Rocket Larkspur
- Rockhouse Feather Bells; Diffuse Feather Bells
- Rockland Bluet
- Rocky Mountain Clifffern; Rocky Mountain Cliff Fern; Rocky Mountain Woodsia
- Rocky Mountain Douglas Fir
- Rocky Mountain Sage; Lance Leaf Sage
- Rope Dodder
- Rose Clover
- Rose Gentian; Rose Pink
- Rose Mock Vervain
- Rose of Sharon; Althaea; Rose Mallow
- Rose Pitcherplant; Rose Pitcher Plant
- Rose Pogonia
- Roseroot
- Rosinweed Sunflower
- Rosy Periwinkle; Madagascar Periwinkle; Cayenne Jasmine; Church Flower
- Rosy Sedge
- Rough American Barnyard Grass
- Rough Avens
- Rough Bedstraw
- Rough Bent Grass
- Rough Blazing Star; Rough Gayfeather; Tall Blazing Star; Tall Gayfeather
- Rough Bluegrass
- Rough Boneset
- Rough Dropseed
- Rough Flat Sedge
- Rough Fruit Scale Seed; Rough Fruit Scaleseed; Roughfruit Scale Seed; Roughfruit Scaleseed; Rough Fruited Scale Seed; Rough Fruited Scaleseed; Roughfruited Scale Seed; Roughfruited Scaleseed
- Rough Hair Witch Grass
- Rough Hair Witch Grass
- Rough Hair Witch Grass
- Rough Hair Witch Grass
- Rough Hawkweed
- Rough Leaf Dogwood
- Rough Leaf Goldenrod
- Rough Leaf Goldenrod
- Rough Mexican Clover
- Rough Panic Grass; Rough Witch Grass
- Rough Pennyroyal
- Rough Poppy
- Rough Rattlesnake Root
- Rough Sedge
- Rough Sedge
- Rough Seed Bulrush; Bog Bulrush
- Rough Stem Rosinweed
- Rough Sunflower
- Rough Vervain; Harsh Vervain
- Rough Willow Leaf Aster
- Roughseed Buttercup; Roughseeded Buttercup; Rough Seed Buttercup; Rough Seeded Buttercup; Roughseed Butter Cup; Roughseeded Butter Cup; Rough Seed Butter Cup; Rough Seeded Butter Cup
- Round Fruit Witch Grass; Round Seed Witch Grass
- Round Head Lespedeza
- Round Head Rush; Stout Rush
- Round Headed Bulrush; Roundhead Bulrush; Roundheaded Bulrush; Round Head Bulrush; Round Headed Bul Rush; Roundhead Bul Rush; Roundheaded Bul Rush; Round Head Bul Rush
- Round Leaf Dogwood
- Round Leaf Fire Pink; Round Leaf Catchfly; Sandstone Fire Pink; Sandstone Catchfly
- Round Leaf Fluellen; Round Leaf Cancerwort
- Round Leaf Sundew
- Round Lobe Hepatica; Round Lobe Liverleaf
- Round Pod St. Johnswort; Round Podded St. Johnswort; Roundpod St. Johnswort; Roundpodded St. Johnswort; Round Pod St. Johns Wort; Round Podded St. Johns Wort; Roundpod St. Johns Wort; Roundpodded St. Johns Wort
- Rounded Shinleaf
- Roundleaf Bluebell; Roundleaf Harebell
- Roundleaf Groundsel; Roundleaved Groundsel; Round Leaf Groundsel; Round Leaved Groundsel; Running Ragwort; Roundleaf Ragwort; Roundleaved Ragwort; Round Leaf Ragwort; Round Leaved Ragwort; Roundleaf Rag Wort; Roundleaved Rag Wort; Round Leaf Rag Wort; Round Leaved Rag Wort; Running Rag Wort
- Roundleaf Mint
- Roundleaf Mud Plantain; Roundleaf Mudplantain; Roundleaved Mud Plantain; Roundleaved Mudplantain; Round Leaf Mud Plantain; Round Leaf Mudplantain; Round Leaved Mud Plantain; Round Leaved Mudplantain
- Roundleaf Ragwort
- Roundleaf Serviceberry; Red Serviceberry
- Roundleaf Thoroughwort
- Roundleaved Cranes Bill; Roundleaf Cranes Bill; Round Leaved Cranes Bill; Round Leaf Cranes Bill; Roundleaved Cranesbill; Roundleaf Cranesbill; Round Leaved Cranesbill; Round Leaf Cranesbill; Roundleaved Crane Bill; Roundleaf Crane Bill; Round Leaved Crane Bill; Round Leaf Crane Bill; Roundleaved Cranebill; Roundleaf Cranebill; Round Leaved Cranebill; Round Leaf Cranebill
- Royal Catchfly
- Royal Fern; American Royal Fern
- Royal Flatsedge; Sticky Flatsedge; Royal Flat Sedge; Sticky Flat Sedge
- Rudges White Edge Sedge; Flexuous White Edge Sedge
- Rue
- Rue Leaved Saxifrage
- Rufous Bulrush; Nodding Bulrush
- Rugels Ragwort
- Running Buffalo Clover
- Running Clubmoss
- Running Glade Clover
- Running Strawberry Bush
- Russian Knapweed; Pinnate Prairie Coneflower; Russian Knap Weed; Pinnate Prairie Cone Flower; Grey Headed Cone Flower; Grey Head Cone Flower; Greyheaded Cone Flower; Greyhead Cone Flower; Grey Headed Coneflower; Grey Head Coneflower; Greyheaded Coneflower; Greyhead Coneflower; Gray Headed Cone Flower; Gray Head Cone Flower; Grayheaded Cone Flower; Grayhead Cone Flower; Gray Headed Coneflower; Gray Head Coneflower; Grayheaded Coneflower; Grayhead Coneflower
- Russian Olive; Oleaster
- Russian Thistle
- Rustweed; Juniperleaf
- Rusty Black Haw
- Rusty Cliff Fern
- Rutabaga; Rape; Canola; Swede
- Ruths Grass Leaf Goldenaster
- Ruths Sedge
- Rydbergs Blazing Star; Rydbergs Gayfeather
- Rye
S
775 plants
- S Curve Three Awn; S Curve Threeawn
- Sacred Datura; Indian Apple
- Sacred Thorn Apple
- Sago Pond Weed; Fennel Pond Weed
- Salad Burnet
- Salad Burnet
- Saltmarsh Fleabane; Camphor Pluchea; Plowmans Wort; Saltmarsh Flea Bane; Salt Marsh Fleabane; Salt Marsh Flea Bane
- Saltmarsh Morningglory; Saltmarsh Morning Glory
- Saltmarsh Sand Spurrey; Corn Spurrey; Saltmarsh Sand Spurry; Corn Spurry
- Sampsons Snakeroot
- Sand Bitter Cress
- Sand Bitter Cress
- Sand Blackberry; European Dewberry; Sand Blackm Berry; European Dew Berry
- Sand Cherry
- Sand Cherry
- Sand Dropseed
- Sand Dropseed; Sand Drop Seed
- Sand Dune Willow
- Sand Evening Primrose; Clelands Evening Primrose; Sand Evening Prim Rose; Clelands Evening Prim Rose
- Sand Grape; Sugar Grape
- Sand Hickory; Pale Hickory
- Sand Laurel Oak; Darlington Oak
- Sand Love Grass
- Sand Myrtle
- Sand Post Oak
- Sand Prairie Flat Sedge
- Sandbar Love Grass
- Sandbar Willow
- Sandhill Amaranth; Sandhill Pigweed
- Sandhill Bristly Locust; Dwarf Bristly Locust
- Sandhill Wild Petunia; Dwarf Wild Petunia
- Sandplain Agalinis; Ten Lobe False Foxglove
- Sandstone Goldenrod
- Sandvine; Honeyvine; Bluevine
- Sandyseed Clammyweed; Sandyseeded Clammyweed; Sandy Seed Clammyweed; Sandy Seeded Clammyweed; Sandyseed Clammy Weed; Sandyseeded Clammy Weed; Sandy Seed Clammy Weed; Sandy Seeded Clammy Weed
- Sang; American Ginseng
- Sanibel Island Lovegrass; Sanibel Island Love Grass
- Sapsuck; Pirate Bush
- Sardinian Buttercup; Hairy Buttercup
- Sargents Hawthorn
- Sarsaparilla Vine; Dwarf Smilax
- Sassafras
- Sauratown Grotto Alumroot; Sauratown Grotto Alum Root
- Savanna Beaksedge
- Savanna Eryngo; Blue Flower Eryngo
- Savanna Hairgrass; Savanna Hair Grass
- Savanna Iris
- Savanna Milkweed; Savanna Milk Weed; Longleaf Milkweed; Longleaved Milkweed; Long Leaf Milkweed; Long Leaved Milkweed; Longleaf Milk Weed; Longleaved Milk Weed; Long Leaf Milk Weed; Long Leaved Milk Weed
- Savanna Mint; Savanna Mountain Mint; Savannamint; Savanna Mountainmint
- Savanna Nut Rush; Low Nut Rush
- Savanna Parnassia; Carolina Grass of Parnassus; Eyebright; Eye Bright
- Savanna Seedbox; Savanna Seed Box
- Savannah Grass Leaved Aster; Savannah Grass Leaf Aster; Savannah Grassleaved Aster; Savannah Grassleaf Aster
- Savannah Panic Grass
- Saw Greenbrier; Greenbrier
- Saw Greenbrier; Greenbrier
- Sawara Cypress
- Sawtooth Blackberry
- Sawtooth Blackberry; Southern Blackberry
- Sawtooth Oak
- Sawtooth Sunflower
- Sawtoothed Blackberry; Saw Toothed Blackberry; Saw Tooth Blackberry; Sawtooth Blackberry; Sawtoothed Black Berry; Saw Toothed Black Berry; Saw Tooth Black Berry; Sawtooth Black Berry
- Scabrous Roundleaf Thoroughwort
- Scallop Squash; Pattypan Squash; Acorn Squash; Spaghetti Squash; Ornamental Gourd; Summer Squash; Patty Pan Squash; Crookneck Squash; Straightneck Squash; Crooknecked Squash; Straightnecked Squash; Crook Neck Squash; Straight Neck Squash; Crook Necked Squash; Straight Necked Squash
- Scallop Squash; Pattypan Squash; Acorn Squash; Spaghetti Squash; Ornamental Gourd; Summer Squash; Patty Pan Squash; Crookneck Squash; Straightneck Squash; Crooknecked Squash; Straightnecked Squash; Crook Neck Squash; Straight Neck Squash; Crook Necked Squash; Straight Necked Squash
- Scarlet Creeper; Red Morning Glory
- Scarlet Creeper; Scarletcreeper
- Scarlet Firethorn; Scarlet Fire Thorn
- Scarlet Gaura; Scarlet Beeblossom; Scarlet Bee Blossom
- Scarlet Gilia; Standing Cypress
- Scarlet Hawthorn; Scarlet Haw Thorn; Ontario Hawthorn; Ontario Haw Thorn
- Scarlet Indian Paintbrush
- Scarlet Oak
- Scarlet Pimpernel
- Scarlet Sage; Blood Sage
- Scarlet Toothcup; Valley Redstem
- Scentless Chamomille; Mayweed; May Weed
- Schrebers Wood Aster
- Schuettes Hawthorn
- Schweinitzs Flat Sedge; Sand Flat Sedge
- Schweinitzs Ragwort
- Schweinitzs Sedge
- Scour Lovage
- Scratchdaisy; Scratch Daisy
- Scribners Hawkweed; Scribners Hawk Weed
- Scribners Rosettegrass; Hellers Rosettegrass; Scribners Rosette Grass; Hellers Rosette Grass; Scribners Panicum
- Scribners Witch Grass
- Scrufy Psoralea; Slimflower Scurfpea
- Sea Daffodil; Nonesuch Daffodil
- Sea Mouse Ear; Sea Mouseear
- Seaside Alder
- Sebastian Bush; Sebastianbush
- Seep Orange Coneflower
- Seepage Coreopsis
- Seepage Starwort; Water Starwort; Kentucky Starwort
- Seneca Snakeroot
- Senega Snake Root; Senega Snakeroot
- Sensitive Fern; Bead Fern
- September Elm
- Sericea Lespedeza; Chinese Lespedeza
- Serrate Skullcap; Showy Skullcap
- Serrated Tussock Grass; Serrated Tussockgrass; Serrate Tussock Grass; Serrate Tussockgrass
- Sesban; Coffee Weed; Coffeeweed; Indigo Weed; Peatree; Bequilla; Pea Tree; Indigoweed
- Sessile Fruit Arrowhead
- Sessile Leaf Bellwort; Merry Bells
- Sessile Leaf Tick Trefoil
- Sessile Trillium; Toad Shade
- Seven Angled Pipewort; Northern Pipewort; Sevenangled Pipewort; Seven Angled Pipe Wort; Northern Pipe Wort; Sevenangled Pipe Wort; Seven Angle Pipe Wort; Seven Angle Pipewort; Sevenangle Pipe Wort; Sevenangle Pipewort
- Shade Mud Flower; Shade Mudflower
- Shadow Witch; Hairy Shadow Witch
- Shagbark Hickory
- Shaggy Blazing Star; Shaggy Blazingstar
- Shaggy Crabgrass; Shaggy Crab Grass
- Shaggy Gallant Soldier
- Shaggy Hedge Hyssop
- Shale Barren Hawkweed; Shalebarren Hawkweed; Shale Barren Hawk Weed; Shalebarren Hawk Weed
- Shale Barren Nailwort
- Shale Barren Pussytoes; Shalebarren Pussytoes; Shale Barren Pussy Toes; Shalebarren Pussy Toes
- Shale Barren Rockcress; Shalebarren Rockcress; Shale Barren Rock Cress; Shalebarren Rock Cress
- Shale Barren Sunflower; Smooth Sunflower; Shalebarren Sun Flower
- Shale Bindweed; Shale Bind Weed
- Shale Blazingstar; Shale Blazing Star
- Shalebarren Evening Primrose; Shalebarren Evening Prim Rose
- Shalebarren Phlox; Sword Leaf Phlox; Swordleaf Phlox; Swordleaved Phlox; Sword Leaved Phlox
- Shalebarren Wild Buckwheat; Shalebarren Wild Buck Wheat
- Shallow Sedge
- Shaprs Evening Primrose
- Sharp Leaf Fluellen; Sharp Leaf Cancerwort
- Sharp Leaf Fluellen; Sharp Leaf Cancerwort
- Sharp Leaf Fluellen; Sharp Leaf Cancerwort
- Sharp Lobe Hepatica; Sharp Lobe Liver Leaf
- Sharp Scale Spike Rush; Flat Stem Spike Rush
- Sharp Scale Spike Rush; Flat Stem Spike Rush
- Sharp Scale Spike Rush; Flat Stem Spike Rush
- Sharp Scaled Sedge
- Sharp Scaled Sedge
- Sharp Sepal Beard Tongue; Gulf Coast Beard Tongue
- Sharp Wing Monkey Flower
- Sharpscale Bulrush; Halls Bulrush
- Shaved Sedge
- Sheep Fescue
- Shepherds Needle; Venus Comb
- Shepherds Purse
- Sherardia; Field Madder
- Sherards Bugleweed; Sherards Bugle Weed
- Shingle Oak
- Shining Bedstraw
- Shining Clubmoss
- Shining Fetterbush; Shining Fetter Bush
- Shining Ladies Tresses
- Shining Nut Rush
- Shining Willow
- Shining Witchgrass; Cypress Panicgrass; Shining Witch Grass; Cypress Panic Grass
- Shiny Wedge Grass
- Shoestring Fern; Grass Fern; Shoe String Fern; Grassfern; Shoestringfern
- Shoreline Sedge
- Short Awn Foxtail
- Short Awn Foxtail Grass; Shortawn Foxtail Grass; Short Awn Fox Tail Grass; Shortawn Fox Tail Grass
- Short Beak Arrowhead
- Short Bearded Plume Grass; Short Beard Plume Grass; Shortbearded Plume Grass; Shortbeard Plume Grass; Short Bearded Plumegrass; Short Beard Plumegrass; Shortbearded Plumegrass; Shortbeard Plumegrass
- Short Branched Brome; Erect Brome; Shortbranched Brome; Short Branch Brome; Shortbranch Brome
- Short Bristle Horned Beaksedge
- Short Fringed Sedge
- Short Fruited Rush
- Short Leaf Skeleton Grass
- Short Leaf Witch Grass; Short Leaf Panic Grass
- Short Pod Draba;Branched Draba
- Short Sepal Beard Tongue
- Short Stemmed Iris
- Short Witchgrass; Short Witch Grass
- Shortbeak Sedge
- Shortleaf Pine
- Shortleaf Sneezeweed
- Shorts Aster
- Shorts Hedge Hyssop
- Shorts Rockcress
- Shorts Sedge
- Shorts Spreading Chervil
- Shortspur Creeping Bladderwort; Humped Bladderwort
- Shortstalk False Bindweed
- Shortstalk False Bindweed
- Shortstalk Mouse Ear Chickweed
- Showy Evening Primrose; Pink Ladies
- Showy Gentian
- Showy Goldenrod; Noble Goldenrod
- Showy Goldenrod; Noble Goldenrod; Shorts Goldenrod; Showy Golden Rod; Noble Golden Rod; Shorts Golden Rod
- Showy Ladys Slipper
- Showy Orange Coneflower
- Showy Orchis
- Showy Rattlebox
- Showy Tick Trefoil; Canadian Tick Trefoil; Beggars Lice; Canada Tickclover; Showy Tick Trefoil; Showy Ticktrefoil; Canada Tick Clover; Showy Ticktrefoil; Canadian Ticktrefoil
- Shreves Iris
- Shrubby Blue Sage; Crespa; Mejorana
- Shrubby Lespedeza; Bush Lespedeza; Shrubby Clover; Bush Clover
- Shrubby St. Johnswort
- Shumard Oak
- Siberian Crabapple
- Siberian Cranes Bill; Siberian Cranesbill; Siberian Crane Bill; Siberian Cranebill
- Siberian Elm; Dwarf Elm
- Siberian Squill
- Sickle Spurge
- Sicklepod; Canada Rock Cress
- Side Bells; Sidebells; One Sided Shinleaf; Onesided Shinleaf; Onesided Pyrola; One Sided Pyrola; Sidebells Wintergreen; One Sided Shin Leaf; Onesided Shin Leaf; Side Bells Wintergreen
- Side Oats Grama
- Side Oats Grama; Sideoats Grama
- Siebolds Viburnum; Siebolds Arrowwood; Siebolds Arrow Wood
- Silktree; Mimosa
- Silkvine
- Silky Camellia
- Silky Dogwood
- Silky Dogwood; Pale Dogwood
- Silky Oat Grass
- Silky Willow
- Silver Bluestem
- Silver Glade Fern
- Silver Grass
- Silver Hair Grass
- Silver Leaf Grape
- Silver Leaf Poplar; White Poplar
- Silver Maple; Water Maple
- Silver Plume Grass
- Silverlaced Vine; Silver Laced Vine; Silverlace Vine; Silver Lace Vine; China Fleece Vine
- Silverleaf Cinquefoil
- Silverleaf Nightshade
- Silverling; Hightide Bush; Groundsel Tree
- Silverling; Silver Whitlow Wort; Silvery Nailwort
- Silverweed Cinquefoil; Silver Weed Cinquefoil
- Silvery Cudweed
- Silvery Sedge
- Silvery Spleenwort; Leyland Cypress; Silvery Spleen Wort
- Single Sorus Spleenwort; Single Sorus Spleen Wort
- Singlehead Pussytoes
- Six Weeks Fescue
- Skeleton Weed; Gum Succory; Skeletonweed; Gumsuccory
- Skinners False Foxglove
- Skunk Cabbage
- Skunk Currant; Mountain Currant
- Skunk Meadow Rue
- Slash Pine
- Sleepy Catchfly
- Slender Wood Sorrel
- Slender Amaranth; Tropical Green Amaranth; Slender Pigweed; Tropical Green Pigweed
- Slender Aster
- Slender Beaksedge
- Slender Birdsfoot Trefoil; Slender Birds Foot Trefoil; Narrowleaf Trefoil; Narrowleaved Trefoil; Narrow Leaf Trefoil; Narrow Leaved Trefoil
- Slender Bladderwort; Zigzag Bladderwort
- Slender Blue Iris
- Slender Bulrush; Slender Bul Rush
- Slender Bush Clover; Slender Lespedeza
- Slender Corydalis; Slender Fumewort; Small Flowered Fumewort; Small Flower Corydalis
- Slender Crabgrass
- Slender Crabgrass
- Slender Crowngrass; Slender Crown Grass; Fringeleaf Paspalum; Fringeleaved Paspalum; Fringe Leaf Paspalum; Fringe Leaved Paspalum; Sand Paspalum
- Slender Dragonhead; Slender Obedient Plant; Slender False Dragonhead; Slender Dragon Head; Slender Obedientplant; Slender False Dragon Head
- Slender Eastern Woodsorrel
- Slender Fimbry
- Slender Flat Sedge
- Slender Flat Sedge; Shining Flat Sedge
- Slender Flower Beard Tongue; Eastern White Flower Beard Tongue; Plateau Beard Tongue; Limestone Beard Tongue; Kentucky Beard Tongue
- Slender Foxtail Grass; Slender Meadow Foxtail Grass; Slender Fox Tail Grass; Slender Meadow Fox Tail Grass
- Slender Goldenrod
- Slender Indian Grass
- Slender Knotweed; Pleat Lef Knotweed
- Slender Ladies Tresses
- Slender Leaf False Foxglove
- Slender Leaf False Foxglove
- Slender Lipfern; Slender Lip Fern
- Slender Looseflower Sedge
- Slender Milkwort; Procession Flower
- Slender Muhly
- Slender Naiad; Slender Water Nymph
- Slender Naiad; Wavy Waternymph; Wavy Water Nymph
- Slender Nut Rush
- Slender Parsleypiert
- Slender Plantain
- Slender Rose Gentian; Slender Rose Pink
- Slender Russian Thistle
- Slender Snake Cotton
- Slender Spike Rush
- Slender Spike Rush
- Slender Spike Rush
- Slender Spike Rush
- Slender Three Seeded Mercury
- Slender Toothwort
- Slender Wedge Grass
- Slender Wheatgrass; Slender Wheat Grass
- Slender Wild Basil
- Slender Woodland Sedge
- Slender Woodland Sedge
- Slender Woodland Sedge
- Slender Woodoats; Slender Spike Grass
- Slick Seed Fuzzy Bean
- Slim Spike Three Awn
- Slimbing Hempweed; Climbing Hempvine
- Slippery Elm; Red Elm
- Slow Sedge; Lazy Sedge
- Small Beak Panic Grass
- Small Beggar Ticks
- Small Bonny Bellflower; Southern Hare Bell
- Small Bugloss; Alkanet
- Small Cranes Bill
- Small Flower Buttercup
- Small Flower Buttercup; Rock Buttercup
- Small Flower Ground Cherry
- Small Flower Ground Cherry
- Small Flower Ground Cherry
- Small Flower Tamarisk; Smallflower Tamarisk; Small Flowered Tamarisk; Smallflowered Tamarisk
- Small Flower Vetch
- Small Flowered Blue Ridge Bittercress; Small Flower Blue Ridge Bittercress; Smallflowered Blue Ridge Bittercress; Small Flowered Blue Ridge Bittercress; Small Flowered Blue Ridge Bitter Cress; Small Flower Blue Ridge Bitter Cress; Smallflowered Blue Ridge Bitter Cress; Small Flowered Blue Ridge Bitter Cress
- Small Flowered Half Chaff Sedge
- Small Flowered Pawpaw; Small Flower Pawpaw; Smallflower Pawpaw; Smallflowered Pawpaw; Small Fruited Pawpaw; Small Fruit Pawpaw; Smallfruited Pawpaw; Smallfruit Pawpaw
- Small Fruit Primrose Willow
- Small Fruit Spike Rush
- Small Fruit Spike Rush
- Small Fruit Spike Rush
- Small Fruit Witchgrass; Soft Leaf Witch Grass
- Small Fruited Bulrush; Panicled Bulrush; Panicled Bul Rush; Smallfruited Bulrush; Small Fruited Bul Rush; Smallfruited Bul Rush; Small Fruit Bulrush; Smallfruited Bulrush; Small Fruit Bul Rush; Smallfruit Bul Rush
- Small Green Wood Orchid
- Small Head Rush
- Small Headed Beaksedge; Smallheaded Beaksedge; Small Headed Beak Sedge; Smallheaded Beak Sedge; Small Head Beaksedge; Smallhead Beaksedge; Small Head Beak Sedge; Smallhead Beak Sedge
- Small Ivyleaf Speedwell
- Small Leaf Linden
- Small Leaf Witch Grass; Sword Leaf Witch Grass
- Small Mallow; Dwarf Mallow; Cheeses; Low Mallow; Dwarfmallow; Smallmallow
- Small Melilot; Sourclover; Alfalfilla; Annual Melilot; Annual Yellow Sweetclover; Annual Yellow Sweet Clover; Indian Melilot; Indian Sweet Clover; Indian Sweetclover; Small Melilot; Sour Clover; Trebol
- Small Mountain Bitter Cress
- Small Pond Weed
- Small Pond Weed
- Small Pond Weed
- Small pondweed
- Small Purple Fringed Orchid
- Small Solomons Seal; Smooth Solomons Seal; Solomons Seal
- Small Thymeleaf Sandwort
- Small White Aster; Wite Small Head Aster
- Small White Aster; Wite Small Head Aster
- Small White Aster; Wite Small Head Aster
- Small White Fringed Orchid
- Small White Morning Glory
- Small Whorled Pogonia
- Small Yellow Ladys Slipper
- Smallflower Halfchaff Sedge
- Smallflower Hawksbeard
- Smallflower Honeysuckle; Smallflowered Honeysuckle; Small Flower Honeysuckle; Small Flowered Honeysuckle
- Smallflower Phacelia
- Smallflower Thoroughwort
- Smallhead Blazing Star; Smallhead Gayfeather
- Smallhead Dolls Daisy
- Smallhead Dolls Daisy
- Smallleaf Meadowrue; Smallleaved Meadowrue; Small Leaf Meadowrue; Small Leaved Meadowrue; Smallleaf Meadow Rue; Smallleaved Meadow Rue; Small Leaf Meadow Rue; Small Leaved Meadow Rue
- Smalls Black Snakeroot
- Smalls Hackberry
- Smalls Knotweed
- Smalls Ragwort; Appalachian Ragwort
- Smalls White Ash
- Smalls Wood Sorrel
- Smartweed Dodder
- Smiths Sunflower
- Smoky Mountain Manna Grass
- Smoky Mountain Rhododendron
- Smoky Mountain Sedge
- Smoky Mountain Woodmint
- Smooth Alder; Hazel Alder
- Smooth Amaranth; Slim Amaranth; Smooth Pigweed; Slim Pigweed
- Smooth Amaranth; Slim Amaranth; Smooth Pigweed; Slim Pigweed
- Smooth Arrow Wood
- Smooth Beggar Ticks
- Smooth Blackberry; Thornless Blackberry
- Smooth Blue Aster
- Smooth Blue Aster
- Smooth Brome; Awnless Brome
- Smooth Brome; Bald Brome
- Smooth Bur Clover; Toothed Medick; Smooth Burcover; Toothed Medic
- Smooth Carrionflower
- Smooth Cat''s Ear
- Smooth Cliffbrake
- Smooth Cliffbrake
- Smooth Crabgrass
- Smooth Cumberland Wood Mint; Smooth Cumberland Pagoda Plant
- Smooth False Buttonweed
- Smooth Forked Nailwort
- Smooth Hawksbeard
- Smooth Heart Leaf Aster
- Smooth Hedge Nettle
- Smooth Ironweed; Ironweed; Smooth Iron Weed; Iron Weed
- Smooth Ironweed; Ironweed; Smooth Iron Weed; Iron Weed
- Smooth Joy Weed; Smooth Joyweed
- Smooth leaved Witchgrass; Smoothleaved Witchgrass; Smooth Leaf Witchgrass; Smooth Leaved Witchgrass; Smooth leaved Witch Grass; Smoothleaved Witch Grass; Smooth Leaf Witch Grass; Smooth Leaved Witch Grass
- Smooth Oxeye
- Smooth Phlox
- Smooth Phlox
- Smooth Phlox
- Smooth Purple Coneflower; Smooth Purple Cone Flower
- Smooth Rock Skullcap
- Smooth Rosin Weed
- Smooth Sawgrass; Twig Rush; Fen Sedge; Smooth Saw Grass
- Smooth Serviceberry; Allegheny Serviceberry
- Smooth Smartweed
- Smooth Southern Bush Honeysuckle
- Smooth Stem Goldenrod
- Smooth Stiff Leaf Goldenrod
- Smooth Sumac
- Smooth Tick Trefoil
- Smooth Winterberry; Smooth Winter Berry
- Smooth Yellow False Foxglove
- Smooth Yellow Violet
- Smoothsheath Sedge
- Smut Grass Dropseed
- Snake Cotton
- Snakeberry; Mock Strawberry; Indian Strawberry; Snake Berry; Mock Straw Berry; Indian Straw Berry
- Snow On The Mountain
- Snow Trillium; Dwarf White Trillium
- Snowball Bush
- Snowdrop; Snow Drop
- Snowy Black Anthers; Squarestem
- Snowy Campion; Evening Campion
- Snowy Hydrangea; Silver Leaf Hydrangea
- Snowy Orchid
- Soapwort Gentian; Harvestbells
- Soapwort; Bouncing Bet
- Soft Chess; Lop Grass
- Soft Chess; Lop Grass
- Soft Fox Sedge
- Soft Goldenaster; Soft Golden Aster
- Soft Headed Pipewort; Softheaded Pipewort; Soft Head Pipewort; Softhead Pipewort; Soft Headed Pipe Wort; Softheaded Pipe Wort; Soft Head Pipe Wort; Softhead Pipe Wort
- Soft Leaf Witch Grass
- Soft Stem Bulrush
- Solidsterm Burnet Saxifrage
- Solomons Seal
- Sorghum
- Sorghum
- Sour Gum; Black Gum
- Sourtop; Canada Blueberry; Sour Top; Canada Blue Berry; Velvetleaf Blueberry; Velvetleaved Blueberry; Velvet Leaf Blueberry; Velvet Leaved Blueberry; Velvetleaf Blue Berry; Velvetleaved Blue Berry; Velvet Leaf Blue Berry; Velvet Leaved Blue Berry
- Sourwood
- South American Mock Vervain
- South American Vervain
- Southeastern Bold Goldenrod; Hairy Goldenrod; Southeastern Bold Golden Rod; Hairy Golden Rod
- Southeastern Cut Leaf Cone Flower
- Southeastern Flowering Spurge
- Southeastern Gaura; Southern Bee Blossom; Southern Beeblossom
- Southeastern Nose Burn; Sandhill Nose Burn; Southeastern Noseburn; Sandhill Noseburn; Wavyleaved Noseburn; Wavy Leaved Noseburn; Wavy Leaf Noseburn; Wavyleaf Noseburn; Wavyleaved Nose Burn; Wavy Leaved Nose Burn; Wavy Leaf Nose Burn; Wavyleaf Nose Burn
- Southeastern Tansy Mustard
- Southeastern Wild Rye
- Southeastern Wild Rye; Southeastern Wildrye
- Southeastern Wild Rye; Southeastern Wildrye
- Southern Adders Tongue
- Southern Agrimony; Harvestlice
- Southern Appalachian Bee Balm
- Southern Arrowwood
- Southern Arrowwood; Southern Arrow Wood
- Southern Beaksedge; Southern Beak Sedge
- Southern Beard Tongue; Sandhill Beard Tongue
- Southern Blazing Star; Southern Gayfeather
- Southern Bluets
- Southern Bog and Cliff Goldenrod
- Southern Bog Clubmoss
- Southern Bog Goldenrod
- Southern Carpetgrass; Tropical Carpetgrass; Southern Carpet Grass; Tropical Carpet Grass
- Southern Cat Tail
- Southern Catalpa
- Southern Club Moss; Southern Clubmoss
- Southern Coastal Violet
- Southern Corydalis
- Southern Crab Apple
- Southern Crabgrass
- Southern Cut Grass
- Southern Dark Green Sedge
- Southern Dawn Flower
- Southern Deerberry; Southern Deer Berry
- Southern Dewberry; Coastal Plain Dewberry; Southern Dew Berry; Coastal Plain Dew Berry
- Southern Dwarf Blueberry; Small Cluster Blueberry; Southern Dwarf Blue Berry; Small Cluster Blue Berry
- Southern Elephants Foot; Southern Elephantsfoot
- Southern Hackberry; Southern Sugarberry
- Southern Horseweed; Barrilla; Canadian Horseweed; Southern Horse Weed; Canadian Horse Weed
- Southern Lady Fern
- Southern Lobelia
- Southern Lobelia
- Southern Long Sedge
- Southern Loosestrife; Appalachian Loosestrife
- Southern Magnolia; Evergreen Magnolia
- Southern Maidenhair Fern
- Southern Maleberry
- Southern Mountain Mint
- Southern Mountain Mint
- Southern Mountain Mint
- Southern Naiad; Southern Water Nymph
- Southern Naiad; Southern Water Nymph
- Southern Nodding Trillium; Ill Scented Trillium
- Southern Obedient Plant
- Southern Pinxter Azalea; Mountain Azalea
- Southern Prairie Aster
- Southern Prickly Pear; Florida Prickly Pear; Southern Pricklypear; Florida Pricklypear
- Southern Purple Pitcherplant; Frogs Britches; Southern Purple Pitcher Plant
- Southern Racemose Goldenrod
- Southern Red Oak
- Southern Red Trillium
- Southern Running Cedar; Southern Running Pine
- Southern Seaside Spurge; Dixie Sandmat; Dixie Sand Mat
- Southern Sedge
- Southern Senega Snakeroot; Southern Senega Snake Root
- Southern Shorthusk
- Southern Six Weeks Fescue
- Southern Skullcap; Small Skull Cap
- Southern Slender Ladies Tresses
- Southern Spicebush; Southern Spice Bush; Pondberry; Pond Berry
- Southern Stoneseed
- Southern Sugar Maple; Florida Maple
- Southern Swamp Dogwood; Stiff Dogwood
- Southern Sweet Bay Magnolia
- Southern Tall Goldenrod
- Southern Tall Goldenrod; Great Plains Late Goldenrod; Southern Tall Golden Rod; Great Plains Late Golden Rod
- Southern Three Lobed Bed Straw; Southern Threelobed Bed Straw; Southern Threelobe Bed Straw; Southern Three Lobe Bed Straw; Southern Three Lobed Bedstraw; Southern Threelobed Bedstraw; Southern Threelobe Bedstraw; Southern Three Lobe Bedstraw; Stiff Marsh Bedstraw; Stiff Marsh Bed Straw; Virginia or West Virginia Spiraea; West Virginia Spiraea; Virginia Spiraea
- Southern Toothache Tree; Hercules Club; Southern Prickly Ash
- Southern Tuberculed Orchid
- Southern Twayblade
- Southern Venus Looking Glass; Small Venus Looking Glass
- Southern Water Hemlock
- Southern Water Hemp; Careless; Southern Waterhemp
- Southern Watermilfoil; Two Leaf Watermilfoil
- Southern Waxy Sedge; Blue Sedge
- Southern Whitetinge Sedge
- Southern Willdenows Sedge
- Southern Winged Loosestrife; Lance Leaf Loosestrife
- Southern Woodfern; Southern Sheildfern; Southern Wood Fern; Soutern Sheild Fern
- Southern Woodfern; Southern Wood Fern
- Southern Woodland Violet
- Southernwood; Lads Love; Old Man; Southern Wormwood; Southern Wood; Southern Worm Wood
- Southwestern Marbleseed
- Soybean; Soya Bean; Soyabean; Soy Bean
- Spanish Bluebell
- Spanish Chestnut; European Chestnut
- Spanish Dagger
- Spanish Moss; Long Moss; Pastle; Spanishmoss; Longmoss
- Spanish Needles
- Spanishbuttons; Black Knapweed; Lesser Knapweed; Spanish Buttons; Black Knap Weed; Lesser Knap Weed
- Sparse Lobe Grape Fern
- Spear Orach; Spear Saltbush; Spear Salt Bush
- Spearmint
- Spearmint
- Spearmint; Scotch Spearmint; Gingermint; Redmint; Ginger Mint; Red Mint; Spear Mint; Scotch Spear Mint
- Speckled Alder
- Speckled Wood Lily; White Bead Lily
- Spicebush
- Spicebush
- Spider Brake; Huguenot Fern; Spiderbrake; Huguenotfern
- Spider Lily; Magic Lily
- Spider Lily; Magic Lily
- Spiderlily
- Spiderlily
- Spiderling
- Spike Bentgrass; Spike Bent Grass
- Spiked Hoary Pea
- Spiked Muhly
- Spiked Speedwell; Spiked Speed Well
- Spindle Root
- Spineless Hornwort
- Spinulose Wood Fern
- Spiny Amaranth; Spiny Pigweed
- Spiny Cocklebur
- Spiny Leaf Sow Thistle
- Splitbeard Bluestem
- Spongeplant; American Frogs Bit
- Spoon Leaf Sundew
- Spoon Shape Barbaras Buttons
- Spoon Shape Barbaras Buttons
- Spoonleaf Cudweed; Purple Everlasting
- Spotted Bee Balm
- Spotted Bee Balm
- Spotted Bee Balm
- Spotted Bee Balm
- Spotted Bee Balm
- Spotted Beebalm; Spotted Bee Balm
- Spotted Cats Ear; Hairy Cats Ear
- Spotted Coral Root; Summer Coral Root
- Spotted Coral Root; Summer Coral Root
- Spotted Dead Nettle
- Spotted Joe Pye Weed
- Spotted Joe Pye Weed
- Spotted Knapweed; Bushy Knapweed
- Spotted Knapweed; Bushy Knapweed
- Spotted Ladies Thumb
- Spotted Mandarin; Nodding Mandarin
- Spotted Medick; Spotted Bur Clover
- Spotted Pond Weed
- Spotted Sheath Witch Grass
- Spotted Spurge; Spotted Sandmat
- Spotted St. Johnswort
- Spreading Bladderpod
- Spreading Bulrush
- Spreading Bur Parsley; Field Hedge Parsley; Field Hedgeparsley; Spreading Hedgeparsley; Spreading Burparsley; Spreading Hedge Parsley
- Spreading Chervil
- Spreading Chervil
- Spreading Dogbane
- Spreading Haw Thorn; Spreading Hawthorn; Two Seed Hawthorn; Two Seeded Hawthorn; Twoseed Hawthorn; Twoseeded Hawthorn; Two Seed Haw Thorn; Two Seeded Haw Thorn; Twoseed Haw Thorn; Twoseeded Haw Thorn
- Spreading Pogonia
- Spreading Rock Cress
- Spreading Sandmat; Spreading Sand Mat
- Spreading Sandwort
- Spreading Sandwort
- Spreading Sedge
- Spreading Sedge
- Spreading Yellow Cress
- Spreading Yellow False Foxglove
- Spring Avens; Heartleaved Avens
- Spring Coral Root; Wisters Coral Root
- Spring Creek Bladderpod
- Spring Forget Me Not; Early Forget Me Not
- Spring Ladies Tresses; Grass Leaf Ladies Tresses
- Spring Silverberry; Autumn Olive
- Spring Snowflake
- Spring Vetch
- Spruce Pine; Walters Pine; Cedar Pine
- Spurge Nettle; Tread Softly; Finger Rot; Bull Nettle; Treadsoftly; Fingerrot; Bullnettle; Spurgenettle
- Spurred Anoda; Violeta; Crested Anoda
- Square Stem Spikerush
- Square stemmed spike rush
- Squareflower; Square Flower
- Squarrose Sedge
- Squirrel Corn
- Squirrel Tail Fescue
- Squirreltail
- Squirreltail
- St. Andrews Cross
- St. Andrews Cross
- St. Andrews Cross; St. Peterswort
- St. Clair Hawthorn; St. Clair Haw Thorn; Cockspur Haw Thorn; Cockspur Hawthorn; Hahnendorn
- Stagger Bush; Staggerbush; Large Flowered Fetterbush; Large Flower Fetterbush; Largeflowered Fetterbush; Largeflower Fetterbush
- Staghorn Sumac
- Stalk Grain Sedge; Owlfruit Sedge
- Stalk Grain Sedge; Owlfruit Sedge
- Stalked Bulrush; Stalked Bul Rush
- Stalked Wild Petunia
- Stalkgrain Sedge; Owlfruit Sedge
- Stalkless Yellow Cress
- Standing Bugle
- Standishs Honeysuckle
- Standleys Goosefoot
- Stanfields Horsemint; San Marcos Horsemint; Stanfields Horse Mint; San Marcos Horse Mint
- Star Chickweed; Giant Chickweed
- Star Duckweed
- Star Of Bethlehem
- Star of Bethlehem; Spring Star Flower
- Star Sedge
- Star Sedge
- Star Tickseed
- Starch Grape Hyacinth
- Starflower; Maystar
- Starry Campion; Widows Frill
- Starry Rosinweed
- Starry Rosinweed
- Starry Rosinweed; Starry Rosin Weed
- Starry Solomons Pume; Starflower; Starry False Solomans Seal
- Starved Witch Grass; Starved Panic Grass
- Starvine; Climbing Magnolia; Magnolia Vine
- Staw Colored Flat Sedge
- Staw Colored Flat Sedge
- Steeles Joe Pye Weed
- Steeplebush; Hardhack
- Stemless Evening Primrose
- Sticky Bog Asphodel; Sticky Tofieldia
- Sticky Goldenrod
- Sticky Hedge Hyssop
- Sticky Mouse Ear Chickweed
- Sticky Nightshade; Sticky Night Shade
- Stiff Clubmoss; Bristly Clubmoss
- Stiff Cowbane
- Stiff Leaf Aster; Ankle Aster
- Stiff Leaf Goldenrod
- Stiff Marsh Bedstraw
- Stiff Sunflower; Stiff Sun Flower
- Stiff Sunflower; Stiff Sun Flower
- Stiff Tick Trefoil
- Stiff Yellow Flax
- Stink Love Grass
- Stinking Pepperweed; Narrow Leaf Pepperwort
- Stones River Bladderpod
- Stones Violet
- Stork Bill; Heron Bill; Filaree
- Stout Goldenrod; Stout Golden Rod
- Stout Rush
- Straggler Daisy; Lawnflower; Horse Herb; Hierba Del Caballo; Stragglerdaisy; Lawn Flower; Horseherb
- Straw Colored Hawthorn
- Strawberrybush; Hearts A Busting
- Streambank Bittercress; Streambank Bitter Cress; Small Anthered Bittercress; Small Anther Bittercress; Smallanthered Bittercress; Smallanther Bittercress; Small Anthered Bitter Cress; Small Anther Bitter Cress; Smallanthered Bitter Cress; Smallanther Bitter Cress
- Strict St. Johnswort; Sharp Leaf St. Johnswort
- Stringy Stonecrop
- Striped Gentian
- Striped Maple
- Sugar Maple
- Sugar Maple
- Sugar Maple
- Sugarcane Plume Grass; Giant Plume Grass
- Sulphur Cinquefoil
- Sulphur Fivefingers; Sulphur Five Fingers; Sulphur Cinquefoil; Downy Cinquefoil
- Summer Bluets; Mountain Bluets; Venus Pride
- Summer Cypress; Kochia; Mexican Fireweed
- Summer Grape
- Summer Grape
- Summer Sedge
- Summer Snowflake
- Sundial Lupine
- Sunfacing Coneflower; Pineywoods Coneflower; Sunfacing Cone Flower; Pineywoods Cone Flower; Sun Facing Coneflower; Piney Woods Coneflower; Sun Facing Cone Flower; Piney Woods Cone Flower
- Sunfacing Coneflower; Pineywoods Coneflower; Sunfacing Cone Flower; Pineywoods Cone Flower; Sun Facing Coneflower; Piney Woods Coneflower; Sun Facing Cone Flower; Piney Woods Cone Flower
- Sunfacing Coneflower; Sunfacing Cone Flower; Sun Facing Coneflower; Sun Facing Cone Flower
- Sunny Hawthorn
- Supple Jack; Rattan Vine
- Surprise Lily
- Susquehana Sand Cherry
- Svensons Wild Rye
- Swamp Blue Berry; Swamp Blueberry; Rabbiteye Blueberry; Rabbit Eye Blueberry; Rabbiteye Blue Berry; Rabbit Eye Blue Berry
- Swamp Cottonwood
- Swamp Dock
- Swamp Dodder; Common Dodder
- Swamp Dodder; Scaldweed Dodder
- Swamp Forest Beaksedge; Swamp Forest Beak Sedge
- Swamp Forest Milkweed; Aquatic Milkweed
- Swamp Laurel; Bog Laurel; Pale Laurel
- Swamp Lousewort
- Swamp Milkweed
- Swamp oats
- Swamp Pink
- Swamp Post Oak
- Swamp Rose
- Swamp Saxifrage
- Swamp Smartweed
- Swamp Stargrass; Curtiss Stargrass; Swamp Star Grass; Curtiss Star Grass
- Swamp Sunflower
- Swamp Thistle
- Swamp Tupelo; Swamp Gum
- Swamp Vervain
- Swamp Water Starwort; Swamp Water Star Wort
- Swamp Wedge Grass
- Swamp White Oak
- Swamp Witch Grass
- Swans Sedge
- Swaying Bulrush; Water Bulrush
- Sweet Alyssum
- Sweet Annie; Sweet Sagewort
- Sweet Autumn Virgins Bower
- Sweet Azalea; Smooth Azalea
- Sweet Betsy; Cuneate Trillium
- Sweet Birch; Cherry Birch
- Sweet Birch; Cherry Birch; Black Birch; Mahogany
- Sweet Cherry
- Sweet Coneflower
- Sweet Crabapple; Wild Crabapple
- Sweet Fern
- Sweet Gale
- Sweet Marjoram
- Sweet Pea
- Sweet Pinesap; Pygmy Pipes
- Sweet Scented Joe Pye Weed
- Sweet Scented Joe Pye Weed
- Sweet Vernal Grass; Sweet Vernalgrass
- Sweet Violet; English Violet
- Sweet White Trillium; Jeweled Wakerobin
- Sweet White Violet
- Sweet William
- Sweet William
- Sweet William Catchfly; None So Pretty; Garden Catchfly; Sweet William Catch Fly; Nonesopretty; Garden Catch Fly
- Sweetbay Magnolia
- Sweetgum
- Sweetleaf; Horsesugar
- Sweetpotato; Sweet Potato
- Sweetshrub; Carolina Allspice; Sweet Bubbybush
- Sweetshrub; Carolina Allspice; Sweet Bubbybush
- Sweetshrub; Carolina Allspice; Sweet Bubbybush
- Switch Cane
- Switch Grass
- Switch Grass
- Swollen Bladderwort; Inflated Bladderwort
- Sycamore Maple; Bergahorn
- Sycamore; American Sycamore; Plane Tree
- Sycamore; Plane Tree
- Synandra; Gyandotte Beauty
- Syrian Privet
T
234 plants
- Table Mountain Pine; Bur Pine
- Tall Annual Willowherb; Tall Annual Willow Herb
- Tall Bellflower; American Bellflower
- Tall Blue Lettuce; Blue Wood Lettuce
- Tall Blue Wild Indigo; Streamside Blue Wild Indigo
- Tall Buttercup; Bitter Buttercup
- Tall Dock; Pale Dock
- Tall Drymocallis; Tall Wood Beauty; Sticky Cinquefoil
- Tall Fescue
- Tall Flat Panic Grass
- Tall Flat Top Aster
- Tall Flat Top Aster
- Tall Goldenrod
- Tall Goldenrod
- Tall Hedge Mustard
- Tall Horned Beaksedge
- Tall Indigo Bush; Tall False Indigo
- Tall Ironweed; Tall Iron Weed
- Tall Larkspur
- Tall Meadow Rue; King of the Meadow
- Tall Milkweed; Poke Milkweed
- Tall Rattlesnake Root
- Tall Thistle; Roadside Thistle
- Tall Thoroughwort
- Tall Tickseed
- Tall White Violet; Canada Violet
- Talquezal
- Tansy Mustard
- Tansy Ragwort; Stinking Willie; Tansy Rag Wort
- Tansy Rosinweed; Prairie Dock
- Taper Leaf Water Horehound
- Tapered Leaf Witch Grass; Tapered Leaf Panic Grass
- Tapered Leaf Witch Grass; Tapered Leaf Panic Grass
- Tapertip Cup Grass; Southwestern Cup Grass
- Tapertip Cup Grass; Southwestern Cup Grass
- Tapertip Flat Sedge; Pointed Flat Sedge
- Tapertip Rush; Sharp Fruited Rush
- Tarheel Sedge; South Carolina Sedge
- Tartarian Aster
- Tartarian Honeysuckle
- Tassel Grape Hyacinth
- Tawny Cotton Grass; Catspaw
- Taylors Filmy Fern
- TBD
- TBD
- TBD
- TBD
- TBD
- TBD
- TBD
- TBD
- TBD
- TBD
- TBD
- TBD
- Tea Viburnum
- Teaberry; Wintergreen; Mountain Tea
- Teal Love Grass
- Ten Angled Pipewort; Hat Pin; Bog Button
- Ten Angled Pipewort; Hat Pin; Bog Button
- Tender Fountaingrass; Fountain Grass; Tender Fountain Grass; Fountain Grass
- Tennessee Bladder Fern
- Tennessee Death Camas
- Tennessee Glade Cress
- Tennessee Glade Cress
- Tennessee Glade Cress
- Tennessee Ground Plum; Tennessee Milkvetch
- Tennessee Ironweed
- Tennessee Leafcup
- Tennessee Marbleseed; Soft Hair Marbleseed
- Tennessee Mountain Mint; Stone Mountain Mint
- Tennessee Pond Weed
- Tennessee Purple Coneflower
- Tennessee Quillwort; Hiwassee Quillwort
- Tennessee Starwort; Tennessee Chickweed
- Tennessee Trillium
- Tennessee Yellow Eyed Grass
- Terrestrial Water Starwort
- Texas Aster; Annual Saltmarsh Aster; Eastern Annual Saltmarsh Aster; Eastern Annual Salt Marsh Aster; Annual Salt Marsh Aster
- Texas Aster; Wavy Leaf Aster; Wavyleaved Aster; Wavy Leaved Aster; Wavyleaf Aster
- Texas Bluegrass
- Texas Coreopsis
- Texas Giant Ragweed; Texan Great Ragweed; Texas Giant Rag Weed; Texan Great Rag Weed
- Texas Giant Ragweed; Texan Great Ragweed; Texas Giant Rag Weed; Texan Great Rag Weed
- Texas Millet; Texas Signalgrass
- Texas Red Oak
- Texas Sedge
- Texas Sunnybell; Texas Sunny Bell
- Texas Toadflax
- Texas Vervain
- Texas Whitlow Wort; Texas Whitlowwort
- Texas Wood Sorrel; Texas Woodsorrel
- Texas Yellow Flax; Stiff Yellow Flax
- Thick Root Butter Cup; Early Buttercup
- Thicket Bean; Wild Bean; Bean Vine
- Thicket Sedge
- Thickleaf Phlox; Thick Leaf Phlox; Thickleaved Phlox; Thick Leaved Phlox
- Thickleaf Phlox; Thick Leaf Phlox; Thickleaved Phlox; Thick Leaved Phlox
- Thimble Weed; Tall Anemone
- Thimble Weed; Tall Anemone
- Thin Bristly Paspalum
- Thin Fruit Sedge; Meadow Sedge
- Thin Paspalum
- Thin Paspalum
- Thinleaf Sunflower; Forest Sunflower
- Thorny Olive; Autumn Olive
- Thread Leaf Evening Primrose; Flax Leaf Evening Primrose
- Thread Leaf False Foxglove
- Thread Stalk Beeblossom; Slender Stalk Beeblossom
- Threadleaf Water Crow Foot; Threadleaved Water Crow Foot; Thread Leaf Water Crow Foot; Thread Leaved Water Crow Foot; Threadleaf Water Crowfoot; Threadleaved Water Crowfoot; Thread Leaf Water Crowfoot; Thread Leaved Water Crowfoot; White Water Crowfoot; White Water Crow Foot; Threadleaf Crow Foot; Threadleaved Crow Foot; Thread Leaf Crow Foot; Thread Leaved Crow Foot; Threadleaf Crowfoot; Threadleaved Crowfoot; Thread Leaf Crowfoot; Thread Leaved Crowfoot
- Threadleaved Beaksedge; Threadleaved Beak Sedge; Thread Leaved Beaksedge; Thread Leaved Beak Sedge; Threadleaf Beaksedge; Threadleaf Beak Sedge; Thread Leaf Beaksedge; Thread Leaf Beak Sedge
- Three Angle Spikerush; Three Angle Spike Rush; Threeangle Spikerush; Threeangle Spike Rush; Threeangled Spikerush; Threeangled Spike Rush; Three Angled Spikerush; Three Angled Spike Rush
- Three Birds Orchid
- Three Birds Orchid
- Three Flower Melic Grass
- Three Lobe Beggarticks
- Three Lobe Violet
- Three Lobe Violet
- Three Lobe Violet
- Three Lobed Coneflower; Browneyed Susan
- Three Nerved Joe Pye Weed; Three Nerved Joepyeweed; Threenerved Joe Pye Weed; Threenerved Joepyeweed
- Three Part Violet
- Three Seeded Sedge
- Three Way Sedge
- Three Way Sedge; Threeway Sedge
- Threepart Violet
- Threepart Violet; Three Part Violet
- Threepart Violet; Three Part Violet
- Thunbergs Bush Clover
- Thunbergs Geranium
- Thunbergs Meadowsweet; Thunbergs Meadow Sweet
- Thunbergs Meadowsweet; Thunbergs Spiraea
- Thyme Leaf Bluet
- Thyme Leaf Speed Well
- Thyme Leaf Speed Well
- Thyme Leaf Speed Well
- Thyme Leaf Spurge; Thyme Leaved Spurge; Thymeleaf Spurge; Thymeleaved Spurge; Creeping Spurge; Round Leaved Spurge; Roundleaved Spurge; Round Leaf Spurge; Roundleaf Spurge
- Thyme Leaf Spurge; Thyme Leaved Spurge; Thymeleaf Spurge; Thymeleaved Spurge; Creeping Spurge; Round Leaved Spurge; Roundleaved Spurge; Round Leaf Spurge; Roundleaf Spurge
- Thymeleaf Pinweed
- Thymeleaf Sandwort
- Tiger Lily
- Timid Sedge
- Timothy; Cats Tail
- Timothy; Cats Tail
- Tiny Anemone
- Tiny Bluets; Small Bluets; Southern Bluets
- Tiny Pea
- Tiny Vetch; Hairy Tare
- Tiny Waterwort; Small Waterwort
- Tissue Sedge
- Titi
- Toad Rush
- Tobacco
- Tomatillo; Mexican Groundcherry; Mexican Husk Tomato; Mexican Ground Cherry
- Tomato; Wolf Peach
- Tomato; Wolf Peach
- Tooth Leaf Croton; Sand Croton
- Tooth Leaf Croton; Sand Croton
- Tooth Leaf Ground Cherry; Heart Leaf Ground Cherry
- Toothcup
- Toothed Flat Sedge
- Toothed Rock Cress; Shorts Rock Cress
- Toothed White Topped Aster
- Toothed White Topped Aster
- Topsy Blackberry
- Topsy Blackberry; Chesapeake Blackberry; Topsy Black Berry; Chesapeake Black Berry
- Toringo Crab Apple; Siebold Crab Apple; Japanese Crab Apple; Japanese Flowering Crabapple; Toringo Crabapple; Siebold Crabapple; Japanese Crabapple; Japanese Flowering Crab Apple; Toringo Crab
- Torpedo Grass
- Torreys Bulrush; Torreys Threesquare; Torreys Bul Rush; Torreys Three Square
- Torreys Rush
- Torreys Thoroughwort; Laciniate Leaf Thoroughwort
- Torrys Mountain Mint
- Tower Mustard
- Trailing Arbutus
- Trailing Fuzzy Bean
- Trailing Loosestrife
- Trailing Phlox
- Trailing Phlox
- Trampweed
- Treacle Mustard; Hares Ear Mustard
- Treacle Mustard; Spreading Wallflower
- Tree Celandine; Plume Poppy
- Tree Clubmoss
- Tree Of Heaven; Lampass; Stink Tree
- Triangle Leaved Violet; Triangle Leaf Violet; Triangleleaved Violet; Triangleleaf Violet
- Triangle Leaved Violet; Triangle Leaf Violet; Triangleleaved Violet; Triangleleaf Violet
- Tricky Fimbry
- Trifoliate Orange
- Tropical Bushmint; Tropical Bush Mint
- Tropical Flat Sedge
- Tropical Mexican Clover
- Tropical Soda Apple
- Troublesome Sedge
- Trudells Spleenwort
- True Forget Me Not
- Trumpet Beard Tongue; White Wand Beard Tongue
- Trumpet Creeper; Trumpet Flower
- Tuberous Grass Pink
- Tuberous Grass Pink
- Tuberous Sunflower; Swamp Sunflower; Giant Sunflower
- Tufted Hairgrass; Poverty Oatgrass; Poverty Oat Grass; Tufted Hair Grass
- Tufted Hairgrass; Poverty Oatgrass; Poverty Oat Grass; Tufted Hair Grass
- Tufted or Desert Love Grass
- Tufted or Desert Love Grass
- Tufted or Desert Love Grass
- Tufted Stem Rush
- Tufted Vetch; Bird Vetch
- Tulip Tree; Yellow Poplar; Tulip Poplar
- Tulip Tree; Yellow Poplar; Tulip Poplar
- Tumble Knapweed; Tumble Knap Weed; Diffuse Knap Weed; Diffuse Knapweed; White Flowered Knap Weed; White Flower Knap Weed; Whiteflowered Knap Weed; Whiteflower Knap Weed; White Flowered Knapweed; White Flower Knapweed; Whiteflowered Knapweed; Whiteflower Knapweed
- Tumbleweed Amaranth; Tumbleweed Amaranth; White Pigweed; White Amaranth; Prostrate Pigweed; Prostrate Amaranth
- Tuna Cactus
- Turion Duckweed; Red Duckweed; Turion Duck Weed; Red Duck Weed
- Turks Cap Lily
- Turnip; Field Rape; Bok Choy
- Turpentine Root; Virginia Snakeroot; Serpent Birthwort
- Twiggy Mullein
- Twin Sisters; Two Flower Daffodil
- Twin Sisters; Two Flower Narcissus
- Twinflower
- Twinflower
- Twining Screwstem
- Twining Screwstem
- Twining Snout Bean
- Twinleaf
- Twisted Hair Spike Moss
- Twisted Leaf White Topped Aster; Twistedleaf White Topped Aster; Twisted Leaf Whitetopped Aster; Twistedleaf Whitetopped Aster; Twisted Leaved White Topped Aster; Twistedleaved White Topped Aster; Twisted Leaved Whitetopped Aster; Twistedleaved Whitetopped Aster; Twisted Leaf White Top Aster; Twistedleaf White Top Aster; Twisted Leaf Whitetop Aster; Twistedleaf Whitetop Aster; Twisted Leaved White Top Aster; Twistedleaved White Top Aster; Twisted Leaved Whitetop Aster; Twistedleaved Whitetop Aster
- Twisted Sedge; Streambed Sedge
- Twisted Spike Rush
- Twisted Trillium
- Twisted Yellow Eyed Grass; Slender Yellow Eyed Grass
- Two Flower Melic Grass
- Twowing Silverbell; Twowingged Silverbell; Two Wing Silverbell; Two Wingged Silverbell; Twowing Silver Bell; Twowingged Silver Bell; Two Wing Silver Bell; Two Wingged Silver Bell
- Tyrol Knapweed; Tyrol Knap Weed; Short Fringed Knap Weed; Short Fringe Knap Weed; Shortfringed Knap Weed; Shortfringe Knap Weed; Short Fringed Knapweed; Short Fringe Knapweed; Shortfringed Knapweed; Shortfringe Knapweed
U
19 plants
- Umbrella Flat Sedge
- Umbrella Magnolia; Umbrella Tree
- Umbrellaleaf; Pixie Parasol
- Unicorn Plant; Devils Claw; Rams Horn
- Unicorn Plant; Devils Claw; Rams Horn
- Upland Bent Grass
- Upland Boneset
- Upland Brittle Bladder Fern
- Upland Cotton; Short Staple Cotton
- Upland Dwarf Iris
- Upland Dwarf Iris
- Upland Swamp Privet
- Upland Willow; Prairie Willow
- Upland Willow; Prairie Willow
- Upright Burhead; Tall Burhead
- Upright Carrion Flower
- Upright Sedge; Tussock Sedge
- Urn Orchid
- Uruguayian Water Primrose
V
79 plants
- Vahls Fimbry
- Valdivia Duckweed; Pale Duckweed
- Valley Head Hawthorn
- Vanhoutte Spiraea; Bridal Wreath; Bridalwreath
- Variable Flat Sedge
- Variable Heart Leaf
- Variable Sedge
- Variable Witch Grass
- Variable Witch Grass
- Vasevine; Leather Flower
- Vasevine; Vase Vine
- Vasey Grass; Vaseys Grass
- Vaseys Boneset
- Vaseys Crown Grass
- Vaseys Goldenrod; Carolina Goldenrod
- Vaseys Trillium; Sweet Beth
- Veiny Lined Aster
- Veiny Lined Aster
- Veiny Pea
- Veiny Peppergrass
- Veiny Vervain; Tuberous Vervain
- Velvet Bentgrass; Velvet Bent Grass; Dog Bentgrass; Dog Bent Grass
- Velvet Grass; Soft Grass
- Velvet Hedge Nettle; Sagelike Hedge Nettle
- Velvet Leaf Tick Trefoil
- Velvet Sedge
- Velvet Witch Grass
- Velvety Gaura; Small Flower Gaura
- Velvety Lespedeza; Tall Lespedeza
- Violet Crabgrass
- Violet Lespedeza
- Violet Wood Sorrel
- Vipers Bugloss; Blue Weed
- Virginia Bluebells
- Virginia Buttonweed
- Virginia Chain Fern
- Virginia Creeper
- Virginia Cress; Sibara; Virginiacress
- Virginia Dayflower
- Virginia Dwarf Dandelion
- Virginia Goldenrod; Virginia Golden Rod; Shale Barren Goldenrod; Shale Barren Golden Rod
- Virginia Ground Cherry
- Virginia Heart Leaf
- Virginia Hedge Hyssop; Round Fruit Hedge Hyssop
- Virginia Iris
- Virginia Mallow; Arrowleaved Sida; Arrow Leaf Sida; Arrow Leaved Sida; Arrowleaf Sida
- Virginia Marsh St. Johnswort
- Virginia Marsh St. Johnswort
- Virginia Meadow Beauty; Handsome Harry
- Virginia Meadowsweet; Virginia Spiraea; Appalachian Spiraea; Appalachian Meadowsweet
- Virginia Mountain Mint
- Virginia Nailwort
- Virginia or West Virginia spiraea
- Virginia Peppergrass
- Virginia Peppergrass
- Virginia Plantain
- Virginia Plantain; Hoary Plantain
- Virginia Quillwort; Virginia Quill Wort
- Virginia Rose
- Virginia Rose
- Virginia Rose
- Virginia Sida; Virginia Mallow; Virginia Fanpetals
- Virginia Sneezeweed; Virginia Sneeze Weed
- Virginia Spiderwort
- Virginia Springbeauty; Virginia Spring Beauty
- Virginia Springbeauty; Virginia Spring Beauty
- Virginia Springbeauty; Virginia Spring Beauty
- Virginia Stickseed
- Virginia Thistle
- Virginia Three Seed Mercury
- Virginia Water Horehound
- Virginia Waterleaf; Appalachian Waterleaf
- Virginia White Haired Leather Flower; Virginia Whitehaired Leather Flower; Virginia White Hair Leather Flower; Virginia Whitehair Leather Flower; Virginia White Haired Leatherflower; Virginia Whitehaired Leatherflower; Virginia White Hair Leatherflower; Virginia Whitehair Leatherflower
- Virginia Wild Rye
- Virginia Wild Rye
- Virginia Wildrye; Virginia Wild Rye
- Virginia Willow; Tassel White; Virginia Sweet Spire
- Virginia Yellow Flax; Woodland Flax
- Virgins Bower; Common Virgins Bowert
W
311 plants
- Wafer Ash; Hop Tree
- Wafer Ash; Hop Tree
- Wafer Ash; Hop Tree
- Walking Fern
- Wall Bedstraw
- Wall Bedstraw
- Wall Rue Spleenwort; American Wallrue
- Wall Rue; Wallrue; American Wall Rue; American Wallrue
- Wallflowercabbage; Coincya; Star Mustard; Wall Flower Cabbage
- Wallflowercabbage; Coincya; Star Mustard; Wall Flower Cabbage
- Walters Violet; Prostrate Violet
- Wand Lespedeza; Intermediate Lespedeza
- Wand Loosestrife; Saltmarsh Loosestrife; Wand Loose Strife; Saltmarsh Loose Strife; Narrowleaf Loosestrife; Narrowleaved Loosestrife; Narrow Leaf Loosestrife; Narrow Leaved Loosestrife; Narrowleaf Loose Strife; Narrowleaved Loose Strife; Narrow Leaf Loose Strife; Narrow Leaved Loose Strife
- Wartweed; Madwomans Milk; Summer Spurge
- Warty Panic Grass
- Warty Panicgrass
- Washington Hawthorn
- Watauga River Blackberry; Watauga River Black Berry
- Water Chickweed
- Water Cress
- Water Dragon; Lizards Tail
- Water Grass
- Water Hemlock
- Water Hemlock
- Water Hemp; Roughfruit Amaranth
- Water Hickory; Bitter Pecan
- Water Horsetail; Pipes
- Water Hyacinth
- Water Lettuce
- Water Locust
- Water Mint; Lemon Mint
- Water Mint; Lemon Mint
- Water Oak; Paddle Oak
- Water Oleander; Swamp Loosestrife; Water Willow
- Water Parsnip
- Water Pimpernel; Brookweed
- Water Plantain Crowfoot; Water Spearwort
- Water Primrose
- Water Purslane; Water Primrose
- Water Purslane; Waterpurslane
- Water Shield; Snot Bonnet
- Water Smartweed
- Water Smartweed
- Water Smartweed; Stout Smartweed; Water Smart Weed; Stout Smart Weed
- Water Speedwell
- Water Thread Pond Weed
- Water Tupelo; Tupelo Gum
- Watermelon; Water Melon
- Waterpod
- Waterpod; Aunt Lucy; Water Pod
- Wavy Leaf Aster
- Wavy Leaf Purple Cone Flower
- Wax Myrtle; Bayberry; Candleberry
- Waxy Leaf Privet; Waxy Leaved Privet; Waxyleaf Privet; Waxyleaved Privet
- Wayfaring Tree; Wayfaringtree
- Weak Leaf Yucca
- Weak Rush
- Weak Stalk Bulrush; Smiths Bul Rush
- Weak Stalked Bulrush; Smiths Bul Rush
- Weak Stellate Sedge
- Weasels Snout; Lesser Snapdragon; Lesser Snap Dragon
- Wedgeleaf Draba
- Weeping Forsythia
- Weeping Love Grass
- Weeping Willow
- Weeping Willow; Weeping Golden Willow
- Weft Fern; Grotto Felt
- Weigela
- West Indian Resurrection Fern; West Indian Resurrectionfern
- Western Angle Pod
- Western Beakgrain; Obovate Beakgrain
- Western Bracken Fern; Southern Bracken Fern
- Western Daisy
- Western Dwarf Dandelion
- Western Iron Weed; Western Ironweed
- Western Iron Weed; Western Ironweed
- Western Marsh Pink; Prairie Rose Gentian; Prairie Sabatia; Texas Star
- Western Oxeye
- Western Purslane Speedwell; Hairy Neckweed
- Western Rose Mallow; Crimsoneye Rose Mallow
- Western Rough Goldenrod
- Western Sampsons Snakeroot; Western Sampsons Snake Root
- Western Snowberry; Wolfberry; Western Snow Berry; Wolf Berry
- Western Sunflower
- Western Swamp Milkweed
- Western Umbrella Sedge
- Western Wallflower
- Western Wallflower
- Western Water Weed; Nuttalls Water Weed
- Western Wheatgrass; Switchgrass; Western Wheat Grass; Switch Grass
- Western Witch Grass; Western Panic Grass
- Wheat
- Wherrys Catchfly
- Wherrys Pitcherplant; Wherrys Pitcher Plant
- Wherrys Pitcherplant; Wherrys Pitcher Plant
- Whip Nut Rush
- White Archangel; White Dead Nettle; Snowflake; White Deadnettle
- White Archangel; White Dead Nettle; Snowflake; White Deadnettle
- White Arrowleaf Aster
- White Ash; American Ash
- White Avens
- White Ball Mustard
- White Baneberry; Dolls Eyes; White Cohosh
- White Bear Sedge
- White Beard Tongue; Smooth Beard Tongue; Talus Slope Beard Tongue
- White Bee Balm
- White Beggar Ticks
- White Beggar Ticks
- White Bergamot; White Bee Balm
- White Blue Eyed Grass
- White Campion; Evening Lychnis
- White Clover
- White Cut Grass; Virginia Cut Grass
- White Dolls Daisy
- White Dolls Daisy
- White Edge Sedge
- White Edge Witch Grass; Slender Witch Grass
- White Edged Flat Sedge
- White Flower Leafpup; Canada Leaf Cup
- White Flowered Red Trillium
- White Goldenrod; Silverrod
- White Hair Witch Grass; Linear Leaf Witch Grass; Slim Leaf Witch Grass
- White Hair Witchgrass
- White Hair Witchgrass
- White Haired Goldenrod; Whitehair Goldenrod; White Hair Goldenrod; Whitehaired Goldenrod; White Haired Golden Rod; Whitehair Golden Rod; White Hair Golden Rod; Whitehaired Golden Rod
- White Haired Leather Flower; Whitehaired Leather Flower; White Hair Leather Flower; Whitehair Leather Flower; White Haired Leatherflower; Whitehaired Leatherflower; White Hair Leatherflower; Whitehair Leatherflower
- White Heath Aster; Squarrose White Aster
- White Heath Aster; Squarrose White Aster
- White Hellebore; Green Hellebore; False Hellebore
- White Horehound
- White Ladys Slipper
- White Leaf Leather Flower
- White Leaf Mountain Mint
- White Meadowsweet
- White Melilot; White Sweet Clover
- White Milkweed; Redring Milkweed
- White Monks Hood; Trailing Wolfs Bane
- White Mulberry
- White Mustard; Charlock Mustard; Yellow Mustard
- White Mustard; Yellow Mustard; White Charlock
- White Mustard; Yellow Mustard; White Charlock
- White Nymph
- White Oak
- White Panicled Aster; Eastern Lined Aster
- White Panicled Aster; Eastern Lined Aster
- White Panicled Aster; Eastern Lined Aster
- White Panicled Aster; Eastern Lined Aster
- White Pine
- White Prairie Clover
- White Prairie Goldenrod
- White Rattlesnake Root
- White Sagewort
- White Sea Blite; Herbaceous Seepweed; White Seablite; Herbaceous Seep Weed
- White Spruce
- White Thoroughwort
- White Tick Trefoil; Cream Tick Trefoil
- White Tridens
- White Trout Lily; White Fawn Lily
- White Turtlehead; White Turtle Head
- White Turtlehead; White Turtle Head
- White Vervain; Nettle Leaf Vervain
- White Water Crowfoot; Long Beak Buttercup
- White Water Lily
- White Water Lily
- White Water Lily
- White Wood Aster
- Whiteflowered Petunia; White Flower Petunia; Whiteflower Petunia; White Flowered Petunia; Large White Petunia
- Whitehead Bogbutton
- Whiteleaf Sunflower
- Whitemouth Dayflower
- Whitemouth Dayflower
- Whitetinge Sedge
- Whitetinge Sedge
- Whitetop Beaksedge
- Whitlowgrass; Whitlow Grass; Spring Draba
- Whole Leaf Rosinweed
- Whole Leaf Rosinweed
- Whorled Horsebalm; Whorled Stoneroot
- Whorled Loosestrife
- Whorled Marshpennywort
- Whorled Milkweed
- Whorled Milkwort
- Whorled Milkwort; Whorled Milk Wort
- Whorled Milkwort; Whorled Milk Wort
- Whorled Milkwort; Whorled Milk Wort
- Whorled Mint
- Whorled Mountain Mint
- Whorled Rosinweed
- Whorled Sunflower
- Whorled Tickseed; Whorled Tick Seed; Threadleaf Coreopsis; Threadleaved Coreopsis; Thread Leaf Coreopsis; Thread Leaved Coreopsis
- Whorled Wood Aster; Nodding Wood Aster
- Wide Leaf Frosted Hawthorn
- Wideflower Phlox
- Wideleaf Eastern Bluestar
- Widowscross
- Wild Azalea; Pinxter Flower; Pinxter Bloom; Pink Azalea
- Wild Balsam Apple; Wild Cucumber; Wild Balsamapple
- Wild Basil
- Wild Bean; Wild Kidney Bean; Slender Flower Indian Breadroot; Slender Flower Indian Bread Root
- Wild Black Currant
- Wild Blue Phlox
- Wild Blue Phlox; Woodland Blue Phlox
- Wild Celery
- Wild Chervil; Cow Parsley
- Wild Crabapple; Southern Crabapple
- Wild Cranes Bill; Spotted Cranes Bill
- Wild Dock; Heartwing Dock; Heartwing Sorrel; Heartwingged Dock; Heartwingged Sorrel; Heart Wing Dock; Heart Wing Sorrel; Heart Wingged Dock; Heart Wingged Sorrel
- Wild Field Pansy
- Wild Garlic; Onion Grass
- Wild Goose Plum
- Wild Hoarhound; Small Leaf White Snakeroot
- Wild Honeysuckle
- Wild Hyacinth
- Wild Hydrangea
- Wild Leek
- Wild Lettuce; Canada Lettuce
- Wild Mint
- Wild Mint
- Wild Oats
- Wild Quinine; Feverfew
- Wild Quinine; Feverfew
- Wild Radish; Charlock
- Wild Radish; Charlock
- Wild Sarsaparilla
- Wild Strawberry; Virginia Strawberry
- Wild Sweet Potato; Man of the Earth; Wild Sweet Potato
- Wild Sweet William; Meadow Phlox
- Wild Sweet William; Meadow Phlox
- Wild Teasel; Common Teasel; Fullers Teasel; Teasel
- Wild Yam
- Willdenows Croton; Glade Croton
- Willdenows Sedge
- Willow Aster
- Willow Oak
- Willowleaf Dock; Willowleaved Dock; Willow Leaved Dock; Willow Leaf Dock; Mexican Dock
- Willowleaf Lettuce
- Willowleaf Spiraea; Willow Leaf Spiraea; Willowleaved Spiraea; Willow Leaved Spiraea; Willowleafed Spiraea; Willow Leafed Spiraea
- Wind Flower; Rue Anemone
- Windmill Grass
- Windowbox Wood Sorrel
- Wineberry; Wine Raspberry
- Wing Leaf Primrose Willow
- Winged Burning Bush
- Winged Elm
- Winged Pigweed
- Winged Rock Cress
- Winged Sumac
- Wingstem
- Winter Aconite; Winterling
- Winter Jasmine
- Winter Vetch; Fodder Vetch
- Winter Vetch; Fodder Vetch
- Winterberry
- Winterberry; Winter Berry
- Wintercreeper; Fortunes Spindle
- Wirestem Muhly
- Wiry Panic Grass
- Witch Grass
- Witch Hobble; Hobble Bush
- Woad
- Woffords Wood Mint; Woffords Pagoda Plant
- Wolfs Blue Grass; Meadow Bluegrass
- Wolfs Spike Rush
- Wood Anemone
- Wood Betony; Canadian Lousewort
- Wood Bluegrass
- Wood Lily
- Wood Lily
- Wood Nettle; Canadian Wood Nettle
- Wood Reedgrass; Wood Reed Grass
- Wood Rush; Woodrush
- Wood Violet; Wavy Leaf Violet
- Wood Violet; Wavy Leaf Violet
- Woodland Agrimony; Beaked Agrimony
- Woodland Bitter Cress; Hidden Bitter Cress
- Woodland Blue Lettuce
- Woodland Bluegrass
- Woodland Bul Rush
- Woodland Coreopsis; Greater Tickseed
- Woodland Germander
- Woodland Goldenrod; Forest Goldenrod
- Woodland Muhly
- Woodland Rush; Short Tailed Rush
- Woodland Spurge; Tinted Spurge
- Woodland Sunflower
- Woodland Sunflower; Smallhead Sunflower
- Wool Grass Bulrush
- Woolly Croton; Hogwort
- Woolly Dutchmans Pipe; Wooly Pipe Vine
- Woolly Fimbry
- Woolly Lip Fern
- Woolly Mullein; Common Mullein
- Woolly Mullein; Common Mullein; Flannelplant; Flannel Plant; Velvet Plant; Velvetplant; Orange Mullein
- Woolly Plantain
- Woolly Plantain
- Woolly Sedge
- Woollysheath Three Awn; Woolly Three Awn
- Wormseed Mustard; Wormseed Wallflower
- Woundwort; Hairy Hedgenettle; Wound Wort; Hairy Hedge Nettle
- Wretched Sedge
- Wrights Beak Sedge; Wrights Beaksedge
- Wrights Morningglory; Wrights Morning Glory
- Wrights Plantain
- Wrights Witch Grass; Wrights Panic Grass
- Wrinkle Leaf Goldenrod; Rough Leaf Goldenrod
- Wrinkle Leaf Goldenrod; Rough Leaf Goldenrod
- Wrinkle Leaf Goldenrod; Rough Leaf Goldenrod
- Wrinkle Leaf Goldenrod; Rough Leaf Goldenrod
- Wrinkle Leaf Goldenrod; Rough Leaf Goldenrod
- Wrinkled Joint Grass
- Wych Elm; Scotch Elm
X
No plants found starting with X
Y
55 plants
- Yankee Blackberry; Yankee Black Berry
- Yarrow
- Yaupon
- Yellow Alyssum; Pale Madwort
- Yellow Asphodel
- Yellow Avens
- Yellow Bedstraw; Our Ladys Bedstraw; Yellow Spring Bedstraw; Yellow Bed Straw; Our Ladys Bed Straw; Yellow Spring Bed Straw
- Yellow Birch
- Yellow Buckeye; Sweet Buckeye
- Yellow Chestnut Oak; Chinquapin Oak
- Yellow Crested Orchid
- Yellow Crownbeard
- Yellow Day Lily
- Yellow Flat Sedge
- Yellow Floating Heart; Yellow Floatingheart
- Yellow Foxtail
- Yellow Foxtail; Bristly Foxtail
- Yellow Fringed Orchid
- Yellow Fringeless Orchid
- Yellow Fruit Entangled Hawthorn
- Yellow Fruit Horse Gentian
- Yellow Fruit Horse Gentian
- Yellow Fruit Nightshade; Yellowfruit Nightshade; Yellow Fruited Nightshade; Yellowfruited Nightshade; Yellow Fruit Night Shade; Yellowfruit Night Shade; Yellow Fruited Night Shade; Yellowfruited Night Shade
- Yellow Fruit Sedge
- Yellow Fume Wort; Yellow Corydalis; Yellow Harlequin
- Yellow Giant Hyssop
- Yellow Glade Cress
- Yellow Groove Bamboo
- Yellow Hawthorn; Yellow Haw Thorn
- Yellow Honeysuckle
- Yellow Jewelweed; Yellow Touch Me Not
- Yellow King devil; Yellow Kingdevil; Yellow Foxandcubs; Yellow Fox And Cubs; Foxandcubs; Fox And Cubs; Orange Hawk Bit; Orange Hawkbit; Devils Paintbrush; Grim The Collier; Grimthecollier
- Yellow Ladies Tresses
- Yellow Mandarin; Yellow Fairy Bells
- Yellow Meadow Parsnip
- Yellow Melilot; Yellow Sweet Clover
- Yellow Nutsedge; Yellow Nutgrass; Wild Chufa; Earth Almond; Yellow Nut Sedge; Yellwo Nut Grass
- Yellow Passion Flower; Little Passion Flower
- Yellow Pimpernel
- Yellow Pitcherplant; Yellow Pitcher Plant; Trumpets; Trumpet Leaf; Trumpet Flower; Side Saddle Flower
- Yellow Salsify
- Yellow Screw Stem
- Yellow Sunnybell
- Yellow Thistle; Bull Thistle; Horrid Thistle
- Yellow Trillium; Lemon Scented Trillium
- Yellow Vetchling; Yellow Pea; Yellow Vetch
- Yellow Water Crowfoot; Yellow Water Buttercup
- Yellow Wood; Kentucky Yellow Wood
- Yellow Woodland Anemone
- Yellowandblue Scorpiongrass; Changing Forgetmenot; Changing Forget Me Not; Yellow And Blue Scorpion Grass; Yellowandblue Scorpion Grass; Yellow And Blue Scorpiongrass
- Yellowroot
- Yellowseed False Pimpernel
- Yellowseed False Pimpernel
- Yellowseed False Pimpernel
- Yellowseed False Pimpernel