| 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; 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). | 
|
| Urticaceae | Urtica dioica ssp. dioica | European Stinging Nettle, Great Nettle | Bottomlands, roadsides, other disturbed areas, primarily in calcareous soils. | Native of Europe. | 
|
| 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. | 
|
| Urticaceae | Urtica pilulifera | Roman Nettle | Waif at old seaport. | Native of Mediterranean Europe. | 
|
| Urticaceae | Urtica urens | Burning Nettle, Dog-nettle, Small Nettle | Disturbed areas. | Native of Eurasia. | 
|