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

Field Museum of Natural History Pteridophyte Collection
Catalog #: C0600667F
1a402bd5-572c-41ab-9050-f4ad6643b250
A. A. Eaton #s.n. 06 June 1904
Equisetum sylvaticum L.
U.S.A., Maine, Roadside near Fort Kent

Field Museum of Natural History Pteridophyte Collection
Catalog #: C0601049F
74c2a97e-ef64-49b3-afec-08a09ef1f290
J. B. Flett #1524 05 August 1900
Equisetum sylvaticum L.
U.S.A., Alaska, 18 miles west of Nome City