| Author | P. Miller | |
| Distribution | A single collection from Watauga County in 2010: in woods near residence, Michael Denslow 2659 (NCU, WCUH).
Native of Europe; in N.A. across most of southern Canada and northern U.S., south to NC and CO. | |
| Abundance | Very rare. A single plant was seen, 4.5 meters tall. An invasive weed in the Northeast that replaces native plants. | |
| Habitat | Montane woodland. | |
| Phenology | Flowering May-June. Fruiting July-September. | |
| Identification | A small tree or tall shrub, stems brown to greenish. Leaves are elliptical to oblong, 1.5-3 inches long, with strongly parallel veins (looking indeed like an alder leaf). Flowers are tiny, on skinny stalks; fruits blue-black, rather rotund. | |
| Taxonomic Comments | A synonym is Rhamnus frangula.
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| Other Common Name(s) | | |
| State Rank | SE | |
| Global Rank | GNR | |
| State Status | | |
| US Status | | |
| USACE-agcp | FAC link |
| USACE-emp | FAC link |
