Contains 7 accepted taxa overall.
Characteristics
Classification
Citation
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Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Alnus alnobetula | Green Alder; Mountain Alder | |||
| Alnus alnobetula ssp. crispa | Green Alder; Mountain Alder | Native TN[S1] (State Rank) G5T5 (Global Rank) | ||
| Alnus glutinosa | Black Alder; European Alder | Not Native AGCP (FACW), EMP (FACW) (NWPL) TN[SNA] KY[SNA] (State Rank) GNR (Global Rank) | ||
| Alnus maritima | Seaside Alder | |||
| Alnus rugosa | Speckled Alder | |||
| Alnus serrulata | Smooth Alder; Hazel Alder | Native AGCP (FACW), EMP (OBL) (NWPL) TN[SNR] KY[S5] (State Rank) G5 (Global Rank) | ||
| Alnus viridis |