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

Field Museum of Natural History Pteridophyte Collection
Catalog #: C0600683F
4b348314-4ace-48b8-9bb5-3c730bcda39b
A. A. Eaton #s.n. 00 August 1899
Equisetum sylvaticum f. capillare (G. F. Hoffmann) Murr
U.S.A., New Hampshire, Seabrook; [precise locality unknown]