Woodsia obtusa (Sprengel) Torrey ssp. obtusa . Common Woodsia, Blunt-lobed Cliff Fern. Phen: May-Oct. Hab: Rock outcrops of various sorts, moist talus, terrestrial near rock outcrops. Dist: ME, QC, MN, and e. NE, south to Panhandle FL and e. TX.

Origin/Endemic status: Native

Synonymy: = Ar, ETx1, FNA2, K1, K3, K4, Mo1, NE, NY, TxFerns, Va; = Physematium obtusum (Spreng.) Hook. ssp. obtusum – Lu et al (2020); = Woodsiopsis obtusa (Spreng.) Shmakov ssp. obtusa – Shmakov (2015); < Woodsia obtusa (Spreng.) Torr. – C, F, Fl1, G, GrPl, Il, Pa, RAB, S13, Sf, Tat, Tn, Tx, W, WH3, WV

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