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

Field Museum of Natural History Pteridophyte Collection
Catalog #: C0600297F
e2147403-0baf-4839-bc9d-4f7ac55192e5
A. A. Eaton #s.n. 00 June 1900
Equisetum fluviatile L.
U.S.A., Massachusetts, Essex, Amesbury; [precise locality unknown]