Pl. Exs. Grayan.
Anonymous [1 - 1500 or more]

Field Museum of Natural History Pteridophyte Collection
Catalog #: C0605796F
2f44a739-8271-4955-a0ce-1f76b81ea341
L. B. Smith #s.n. 11 September 1928
Polypodium virginianum L.
U.S.A., Massachusetts, Essex, Rockport; [precise locality unknown]

University and Jepson Herbaria
Catalog #: UC533422
a9a2bda6-9ecc-47c3-bd4a
L. B. Smith #s.n. 11 September 1928
Polypodium appalachianum Haufler & Windham
United States, Massachusetts, Rockport