Oxalis montana Rafinesque. Phen: May-Jul. Hab: Spruce-fir forests, northern hardwood forests, restricted to high elevations southwards. Dist: QC and NY west to SK, south to GA, NC, and TN.
Origin/Endemic status: Native
Other Comments: Closely related to the Eurasian O. acetosella, and sometimes treated as a geographic subspecies or phase of it (see synonymy).
Synonymy: = F, FNA12, K1, K3, K4, NE, NY, S, Tn, Va, WV; = Oxalis acetosella L. ssp. montana (Raf.) Hultén ex D.Löve – Robertson (1975); < Oxalis acetosella L. – C, G, Mi, Pa, RAB, W