| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
| Urticaceae | Urtica ballotifolia | | Waif on ore piles. | | |
| Urticaceae | Urtica chamaedryoides | Dwarf Stinging Nettle, Heartleaf Nettle, Ortiguilla | Rich moist soil, usually on floodplains. | WV, KY, se. MO and OK south to FL, TX, and s. Mexico; disjunct in South America (Argentina and Bolivia). This species is very rare east of the Blue Ridge; notable disjunct eastern locations include Stevens Creek (McCormick County, SC), Congaree Swamp (Richland County, SC), and various sites on very rich levees of the Roanoke River (NC). | 
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| Urticaceae | Urtica dioica ssp. dioica | European Stinging Nettle, Great Nettle | Bottomlands, roadsides, other disturbed areas, primarily in calcareous soils. | Native of Eurasia. | 
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| Urticaceae | Urtica gracilis ssp. gracilis | American Stinging Nettle | Bottomland forests and edges, particularly over limestone or mafic rocks. | NL (Labrador) and NS west to AK, south to sw. VA, w. NC, s. OH, s. IL, s. MO, n. TX, s. NM, and se. AZ. | 
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| Urticaceae | Urtica pilulifera | Roman Nettle | Waif at old seaport. | Native of Mediterranean Europe. | 
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| Urticaceae | Urtica urens | Burning Nettle, Dog-nettle, Small Nettle | Disturbed areas. | Native of Eurasia. | 
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