Contains 11 accepted taxa overall.
Characteristics
Classification
Citation
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Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Polygonum aviculare | Common Knotweed | |||
| Polygonum aviculare ssp. aviculare | Common Knotweed | Not Native KY[SNA] (State Rank) G5TNR (Global Rank) | ||
| Polygonum aviculare ssp. buxiforma | Smalls Knotweed | Native TN[SNR] KY[SU] (State Rank) G5 (Global Rank) | ||
| Polygonum aviculare ssp. depressum | Oval Leaf Knotweed | Not Native | ||
| Polygonum aviculare ssp. neglectum | Needle Leaf Knotweed | |||
| Polygonum douglasii | Douglas Knotweed; Douglas Knot Weed | |||
| Polygonum erectum | Erect Knotweed | Native AGCP (FACU), EMP (FACU) (NWPL) TN[SNR] KY[S5] (State Rank) G5 (Global Rank) | ||
| Polygonum ramosissimum | Bushy Knotweed | |||
| Polygonum ramosissimum ssp. prolificum | Bushy Knotweed; Long Fruit Knotweed | Native | ||
| Polygonum ramosissimum ssp. ramosissimum | Bushy Knotweed | Native AGCP (FACU), EMP (FAC) (NWPL) G5T5 (Global Rank) | ||
| Polygonum tenue | Slender Knotweed; Pleat Lef Knotweed | Native TN[SNR] KY[S4?] (State Rank) G5 (Global Rank) |