Phacelia purshii Buckley var. purshii . Phen: May-Jun. Hab: Moist forests on floodplains and slopes. Dist: S. PA west to s. ON, OH, MO, and nw. AR, south to w. VA and c. TN.
Origin/Endemic status: Native
Taxonomy Comments: See Levy (2021) for discussion of the taxonomy of P. purshii, P. boykinii, and P. bicknellii.
Synonymy: = Levy (2021); > Phacelia bicknellii Small – S; < Phacelia purshii Buckley – Ar, C, F, G, Il, K1, K3, K4, Mi, NE, Pa, RAB, Tn, Va, W, WV, Constance (1949); > Phacelia purshii Buckley – S