Lepidium virginicum Linnaeus var. virginicum . Phen: Feb-Jun (-Dec). Hab: Disturbed areas. Dist: L. virginicum var. virginicum is widespread in e. and c. North America; also introduced in various places elsewhere in the world.
Origin/Endemic status: Native
Taxonomy Comments: Rollins (1993) interprets L. virginicum as having seven additional varieties, all in western North America and Central America. For North America, FNA recognizes two subspecies.
Synonymy: = C, G, K1, NE, Tx, Al-Shehbaz (1986a), Al-Shehbaz (1986b), Rollins (1993); = Lepidium virginicum L. ssp. virginicum – FNA7, K3, K4, NY; < Lepidium virginicum L. – Ar, Bah, F, GBI2, GrPl, Il, Mex, Mi, NcTx, Pa, RAB, S, Tn, Va, W, WH3, WV