Synonyms: Equisetum ferrissii Equisetum hyemale var. elatum Equisetum hyemale var. intermedium Equisetum intermedium
Counties: Del Norte Fresno Los Angeles Marin Mariposa Merced Monterey Sacramento San Bernardino San Benito Santa Cruz San Diego San Francisco San Luis Obispo Shasta Solano Sonoma Tehama Ventura Yolo