Plant Communities: Freshwater Marsh wetland-riparian
Synonyms: Azolla mexicana
Counties: Butte Contra Costa Colusa Glenn Humboldt Inyo Kern Lake Los Angeles Madera Merced Mono Modoc Nevada Plumas San Bernardino Santa Cruz San Francisco San Joaquin San Luis Obispo San Mateo Siskiyou Sutter Tehama Trinity Tulare Yuba