Woodsia ilvensis (Linnaeus) R. Brown. Phen: Jun-Sep. Hab: Cliffs of amphibolite, greenstone, other rocks. Dist: Circumboreal, ranging in North America from NL (Newfoundland) and AK south to VA, nw. NC, OH, n. IL, nw. IA, SK, and BC.
Origin/Endemic status: Native
Synonymy: = C, F, FNA2, FoC, G, GrPl, Il, K1, K3, K4, NE, NY, Pa, RAB, S13, Sf, Va, W, WV, Lu et al (2020), Shmakov (2015)