Dryopteris carthusiana (Villars) H.P. Fuchs. Spinulose Woodfern, Toothed Woodfern. Phen: Jun-Oct. Hab: Acidic, organic-rich bogs, swamps, less frequently in moist rocky ravines, rich forests, and sloping rock outcrops. Dist: Irregularly circumboreal, in North America ranging from n. QC west to YT, south to NC, SC, ne. GA, TN, AR, NE, w. MT, and WA.
Origin/Endemic status: Native
Syn: = Ar, C, FNA2, Il, K1, K3, K4, Mo1, NE, NY, Pa, Tn, Va, W, Montgomery & Paulton (1981); = Dryopteris austriaca var. spinulosa – G; = Dryopteris spinulosa – GrPl, RAB, Sf, WV; = Dryopteris spinulosa var. spinulosa – F