Polystichum braunii (Spenner) Fée. Braun's Holly-fern. Phen: Jun-Sep. Hab: Cool, rocky forested ravines. Dist: Circumboreal, south in North America to MA, ec. PA, MI, n. WI, ne. MN, n. ID, and BC.
Origin/Endemic status: Native
Synonymy: = FNA2, G, K3, K4, NE, NY, Pa; > Polystichum braunii (Spenn.) Fée ssp. purshii (Fernald) Calder & Taylor; > Polystichum braunii (Spenn.) Fée var. purshii Fernald – C, F
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