| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Lamiaceae | Agastache foeniculum | Lavender Giant-hyssop, Blue Giant-hyssop | Disturbed areas, spread from cultivation. | Native of w. North America. Cultivated as an ornamental and naturalized in scattered locations in PA (Rhoads & Klein 1993), KY (Kartesz 1999), and elsewhere. |  |
| Lamiaceae | Agastache nepetoides | Yellow Giant-hyssop | Woodlands and forests, generally over calcareous or mafic rocks. | VT west to MN, south to nw. GA and OK. |  |
| Lamiaceae | Agastache rugosa | Korean Mint, Purple Giant-hyssop | Roadbanks, disturbed areas, escaped from horticultural use. | Native of Korea. Reported for several sites in VA (Virginia Botanical Associates 2019). |  |
| Lamiaceae | Agastache scrophulariifolia | Purple Giant-hyssop | Rich woodlands and forests, bottomlands. | VT west to MN, south to NC, e. TN, n. GA, and e. KS. |  |
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