Athyrium angustum (Willdenow) C. Presl. Section: Athyrium. Northern Lady Fern. Phen: Jun-Sep. Hab: Moist forests, rock outcrops on grassy balds at high elevations. Dist: NL (Newfoundland) and n. QC west to SK, south to VA (Kartesz 1999), w. NC, e. TN, OH, MO, AR (Peck 2011), and NE.
Origin/Endemic status: Native
Syn: = K3, K4, NE, NY, Sf, WV; = Athyrium filix-femina ssp. angustum – Il, K1, Mo1, Tn, W; = Athyrium filix-femina var. angustum – FNA2, GrPl, Pa; = Athyrium filix-femina var. michauxii – C, F, G
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© Erik Danielson [image randomly selected]