Equisetum hyemale subsp. affine (Engelm.) Calder & Roy L. Taylor
Equisetaceae
L. P. Janeway
13345
2020-10-08
8 October 2020
United States, California, Butte, High Cascade Range. Along Butte Creek about 4.8 air-km northeast of Butte Meadows; southeast side of the creek opposite Cherry Hill Campground. T26N, R4E, SW¼ of SW¼ of sec. 14. Jonesville 7.5' quad.
40.102222 -121.498611 WGS84
Lat: N 40˚ 06' 08" Long: W 121˚ 29' 55" WGS84
1428 meters (4684ft)
Flattish bench a little above creek level; partial shade (Ponderosa pine, incense cedar, Douglas-fir); wet springy area dominated by Athyrium filix-femina, Carex amplifolia, Equisetum hyemale subsp. affine.