Gen. Equis. North Amer.
Eaton [1 - ? 86]

Field Museum of Natural History Pteridophyte Collection
Catalog #: C0600283F
889ee647-8d65-4782-9748-d8a2cc85acf1
A. A. Eaton #s.n. 00 June 1902
Equisetum fluviatile L.
U.S.A., Massachusetts, Essex, Amesbury; [precise locality unknown]