Equisetum fluviatile L. f. linnaeanum (Doll.) M. Broun.

Washington: Chelan County: Sphagnum bog west of Hart Lake. Elev. 3900 feet
48.21361° N, 120.85417° W
Coordinate Source: Estimated.
Sphagnum bog west of Hart Lake. Mostly in water. Stems tall; broken floating stems rooting from nodes.

Peter H. Raven 10158, Aug 20, 1956
WS, Accession: 242806