Fr: polystic de Braun
Provincial Status: LN
Range: Boreal w/eNA (disj.), Eurasia; sw/w/nw/ne/sNfld., disj. in ?wLab.
[=Aspidium braunii Spenn. (basionym)]
[=Aetopteron braunii (Spenn.) House]
[=Aspidium aculeatum (L.) Sw. subvar. purshii (Fernald) Farw.]
[=Aspidium aculeatum (L.) Sw. var. braunii (Spenn.) Döll.]
[=Dryopteris aculeata (L.) Kuntze var. braunii (Spenn.) Underw.]
[=Dryopteris braunii (Spenn.) Underw.]
[=Polystichum aculeatum (L.) Roth subvar. purshii (Fernald) Farw.]
[=Polystichum aculeatum (L.) Roth var. braunii (Spenn.) Davenp.]
[=Polystichum braunii (Spenn.) Fée subsp. purshii (Fernald) Calder & Roy L.Taylor]
[=Polystichum braunii (Spenn.) Fée var. purshii Fernald]
[=Polystichum shennongense Ching, Boufford, & K.H.Shing]
[Cody & Britton (1989) show one distribution dot in wLab. for Polystichum braunii, while there is 1 specimen (MT) reported from southern Lab.]