Polystichum braunii subsp. purshii (Fernald) Calder & Roy L. Taylor

Polystichum braunii subsp. purshii (Fernald) Calder & Roy L. Taylor is a synonym sensu FNA Ed. Comm., 1993 of:

Polystichum braunii (Spenner) Fée, an accepted species name sensu FNA Ed. Comm., 1993.