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

Field Museum of Natural History Pteridophyte Collection
Catalog #: C0608369F
59c72aee-9265-408d-95fd-c75527d6fe55
L. B. Smith #s.n. 07 October 1935
Phegopteris hexagonoptera (Michx.) Fée
U.S.A., Massachusetts, Northfield; [precise locality unknown]

University and Jepson Herbaria
Catalog #: UC677643
c507d3c0-537b-4c1c-a59c
L. B. Smith #s.n. 07 October 1935
Phegopteris excelsior N. Patel & A. V. Gilman
United States, Massachusetts, Franklin, Northfield