Thaspium trifoliatum (Linnaeus) A. Gray var. trifoliatum . Purple Meadow-parsnip. Phen: Apr-May; Jul-Aug. Hab: Moist forests. Dist: NJ, PA, and MO, south to Panhandle FL and LA.

Origin/Endemic status: Endemic

Synonymy: = Ar, C, F, Il, K1, K3, K4, MC, Mo2, Pa, RAB, S, Tn, W, WV, Cooperrider (1985), Coulter & Rose (1900); = Thaspium trifoliolatum var. trifoliolatum – NE, misspelling; < Thaspium trifoliatum (L.) A.Gray – Fl7, G, Va, WH3

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