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

Field Museum of Natural History Pteridophyte Collection
Catalog #: C0600652F
e8a34326-d1b5-46a5-95e2-c8c02dcf8665
A. A. Eaton #s.n. 30 May 1896
Equisetum litorale var. arvensiforme A. A. Eat.t
U.S.A., Massachusetts, Essex, Newburyport; [precise locality unknown]

Field Museum of Natural History Pteridophyte Collection
Catalog #: C0600651F
ecb7984a-dfb2-4127-95c7-7dece89a6af1
A. A. Eaton #s.n. 14 August 1898
Equisetum litorale var. arvensiforme A. A. Eat.t
U.S.A., Massachusetts, Essex, Newburyport; [precise locality unknown]