Polypodium vulgare var. virginianum (Linnaeus) D.C. Eaton

Polypodium vulgare var. virginianum (Linnaeus) D.C. Eaton is a synonym sensu FNA Ed. Comm., 1993 of:

Polypodium virginianum Linnaeus, an accepted species name sensu FNA Ed. Comm., 1993.