Calflora, a 501c3 non-profit
Taxon  Report  
Ophioglossum californicum  Prantl
California adder's tongue,   California adderstongue
Ophioglossum californicum is a fern (rhizomatous) that is native to California, and found only slightly beyond California borders.
also called Ophioglossum lusitanicum ssp. californicum
California Rare Plant Rank: 4.2 (limited distribution).   CNDDB
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
Observation Search
(115 records)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Genus: Ophioglossum
Family: Ophioglossaceae  
Category: fern  
PLANTS group:Fern
Jepson eFlora section: fern

Wetlands: Equally likely to occur in wetlands and non wetlands

Habitat: vernal-pools, edges

Communities: Freshwater Wetlands, Chaparral, Valley Grassland, wetland-riparian

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
JEF + CNPS + PLANTSOphioglossum lusitanicum ssp. californicum
PLANTSOphioglossum lusitanicum var. californicum
Information about  Ophioglossum californicum from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (OPCA8)

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Google Images

Photos on iNaturalist

ID Tips on PlantID.net


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]. 2022. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 11/26/2022).