*Carduus nutans Linnaeus. Phen: Late May-Nov. Hab: Fields, roadsides, disturbed areas. Dist: Native of Eurasia.
Origin/Endemic status: Eurasia
Taxonomy Comments: C. nutans in its native range in Eurasia consists of a complex of taxa variously treated at specific, subspecific, and varietal rank; the application of these taxa to North American material is problematic and unresolved (see Keil 2006e in FNA for discussion).
Synonymy: = Ar, C, F, FNA19, G, Il, K3, K4, Mi, NE, NY, Oh3, Ok, Pa, RAB, SE1, Tn, Va, W; > Carduus nutans L. ssp. leiophyllus (Petrovič) Stoj. & Stef. – GrPl; > Carduus nutans L. ssp. macrocephalus (Desf.) Nyman – GrPl, NcTx; > Carduus nutans L. ssp. macrolepis (Peterm.) Kazmi – K1