Cirsium pumilum (Nuttall) Sprengel. Phen: Late May-Jul. Hab: Pastures, thickets, and woodlands, perhaps especially over mafic rocks. Dist: S. ME west to w. NY, south to DE, and w. NC.
Origin/Endemic status: Native
Synonymy: = C, F, G, Il, K1, K3, K4, Oh3, Pa, SE1, Va, W; = Carduus pumilus Nutt. – RAB; = Cirsium odoratum (Muhl. ex Steud.) Petr. – S; = Cirsium pumilaum ssp. pumilum – NY; = Cirsium pumilum (Nutt.) Spreng. var. pumilum – FNA19, NE