| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Rhamnaceae | Rhamnus cathartica | Common Buckthorn, European Buckthorn | Disturbed areas. | Native of Eurasia. Reported for VA by Harvill et al. (1991), but the report was actually based on specimens of R. davurica (Virginia Botanical Associates 2019); bonafide specimens have since been found in Arlington, Giles, Tazewell, and Wythe counties (Virginia Botanical Associates 2019); reported as "now escaping and widespread near Roaches Run", Arlington County, VA (Steury 2011). |  |
| Rhamnaceae | Rhamnus davurica | Davurian Buckthorn | Suburban woodlands, fields, floodplains, rarely naturalized but potentially very invasive. | Native of e. Asia (n. China). Reported from Clarke and Frederick counties, VA (Virginia Botanical Associates 2019). Reported from suburban areas near Louisville, KY, and Knoxville, TN (D. Estes, pers. comm.). |  |
| Rhamnaceae | Rhamnus japonica | Japanese Buckthorn | Disturbed areas. | Native of Japan. | |
| Rhamnaceae | Rhamnus utilis | Chinese Buckthorn | Disturbed areas. | Native of China. |  |
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