Related species: Equisetum telmateia ssp. braunii
Plant Communities: Yellow Pine Forest Foothill Woodland Chaparral Valley Grassland wetland-riparian
Counties: Alameda Butte Calaveras Contra Costa Colusa Del Norte El Dorado Glenn Humboldt Kern Lake Los Angeles Marin Mendocino Mono Monterey Napa Nevada Orange Plumas Riverside Sacramento Santa Barbara San Bernardino San Benito Santa Clara Santa Cruz San Diego San Francisco San Joaquin San Luis Obispo San Mateo Shasta Siskiyou Solano Sonoma Trinity Ventura Yolo Yuba