Calflora, a 501c3 non-profit
Distribution by County   1027    
Azolla mexicana  C. Presl

(not an active name)
Mexican mosquito fern,   Mexican mosquitofern
Azolla mexicana is a fern that is native to California, and also found elsewhere in North America and beyond.
also called Azolla microphylla
Record Count by County

Butte: 23 Madera: 1 San Bernardino: 7 Sutter: 1
Colusa: 1 Merced: 3 San Francisco: 1 Tehama: 4
Contra Costa: 2 Modoc: 1 San Joaquin: 4 Trinity: 1
Glenn: 2 Mono: 1 San Luis Obispo: 9 Tulare: 2
Inyo: 6 Monterey: 2 San Mateo: 3 Yuba: 2
Kern: 10 Nevada: 4 Santa Clara: 1
Lake: 1 Plumas: 8 Santa Cruz: 13

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 04/20/2024).