Pellaea atropurpurea var. simplex (Butters) C.V. Morton

Pellaea atropurpurea var. simplex (Butters) C.V. Morton is a synonym sensu FNA Ed. Comm., 1993 of:

Pellaea glabella subsp. simplex (Butters) Á. Löve & D. Löve, an accepted subspecies name sensu FNA Ed. Comm., 1993.