*Urtica dioica Linnaeus ssp. dioica . Phen: May-Jul; Jul-Sep. Hab: Bottomlands, roadsides, other disturbed areas, primarily in calcareous soils. Dist: Native of Europe.
Origin/Endemic status: Europe
Other Comments: See U. gracilis for discussion of the two taxa.
Synonymy: = FNA3, GrPl, K1, K3, K4, NE, NY, Pa, Tn, Grosse-Veldmann & Weigend (2017), Henning et al (2014), Woodland (1982); = Urtica dioica L. – F, S, Va, WV; = Urtica dioica L. var. dioica – C, G; < Urtica dioica L. – RAB, W, WH3, (also see U. gracilis)