Calflora Taxon Report
Azolla microphylla Kaulf.
Mexican mosquito fern
Azolla microphylla is a fern that is native to California, and also found elsewhere in North America and beyond.
California Rare Plant Rank: 4.2 (uncommon in CA)

Alternate Names and Sources:
Azolla mexicanaPLANTS
Azolla filiculoides ssp. cristataPOWO
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
DJJJASONAFMM

Bloom Period
yellowone or more occurrences
within a 7.5-minute quadrangle
The blue points on the map indicate observations in Calflora.
Click on the map to view observations within a specific county.


Accepted by: JEPS + CNPS + PLANTS
Jepson eFlora section:
fern
USDA PLANTS group:
Fern

Occurs in wetlands
freshwater-marsh
Freshwater Wetlands, wetland-riparian

[wikipedia] Characteristics, Distribution, Habitat: Plant Characteristics Duration: Annual Habit: Fern Size Notes: Mats up to about 2 inches thick. Bloom Notes: Not a flowering plant. Reproduces by spores. Distribution USA: AR, AZ, CA, CO, IA, IL, KS, MN, MO NE, NM, NV, OK, OR, TX, UT, WA, WI Canada: BC Native Habitat: Fresh Water Aquatic Growing Conditions Light Requirement: Part Shade , Shade Soil Moisture: Wet Aquatic: yes (link added by Mary Ann Machi)

Suggested Citation
“Calflora - Taxon Report.” The Calflora Database, a non-profit organization. .

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