Oxalis montana Rafinesque. American Wood-sorrel, White Wood-sorrel, Forest Shamrock. 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

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