Cardamine pensylvanica Muhlenberg ex Willdenow. Quaker Bittercress. Phen: Mar-May. Hab: Various wet habitats, especially swampy depressions, streambanks, small woodland seeps. Dist: NL (Newfoundland), NL (Labrador), NT, and AK south to FL, TX, and CA.

Origin/Endemic status: Native

Synonymy: = Ar, C, Fl4, FNA7, G, GrPl, GW2, Il, K1, K3, K4, Mi, NcTx, NE, NY, Pa, RAB, S, Tn, Va, W, WH3, Al-Shehbaz (1988a), Rollins (1993); > Cardamine pensylvanica Muhl. ex Willd. var. brittoniana Farw. – F; > Cardamine pensylvanica Muhl. ex Willd. var. pensylvanica – F

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