Polystichum aculeatum var. braunii (Spenner) Davenport

Polystichum aculeatum var. braunii (Spenner) Davenport is a synonym sensu Hassler, 2014-2024+ of:

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