Marsh Horsetail
Equisetum palustre
Synonym: Equisetum palustre var. americanum
The photo above shows marsh horsetail as seen in moist soils at the east end of Grand Meadows on the western slopes of Mt. Adams........September 28, 2008. Note the thin whitish membranes at the edges of the teeth.
The photo above shows marsh horsetail as seen in moist soils at the east end of Grand Meadows on the western slopes of Mt. Adams........September 28, 2008.
Paul Slichter