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Oxalis californica  (Abrams) R. Knuth
Californica wood sorrel
© 2019 Diane Etchison
© 2020 Ron Vanderhoff
© 2020 Diane Etchison
© 2023 Ron Vanderhoff
© 2022 Ron Vanderhoff
© 2019 Ron Vanderhoff
© 2022 Ron Vanderhoff
© 2018 Brett Dean
© 2022 Ron Vanderhoff
© 2022 Ron Vanderhoff
© 2019 Ron Vanderhoff
© 2023 Julia Markey
© 2021 Ron Vanderhoff
© 2021 Ron Vanderhoff
© 2021 Ron Vanderhoff
© 2020 Ron Vanderhoff
© 2020 Steven M Norris
© 2020 Steven M Norris
© 2013 Keir Morse
Oxalis californica is a perennial herb that is native to California, and found only slightly beyond California borders.
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
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Bloom Period
Genus: Oxalis
Family: Oxalidaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Toxicity: Possible skin irritation from touching any part of this plant.
Do not eat any part of this plant.
Name Status:
Accepted by JEF + POWO

Alternate Names:
JEFOxalis albicans ssp. californica
OTHEROxalis albicans
PLANTSOxalis albicans ssp. californica
Information about  Oxalis californica from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (OXALC)

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net

[Wikipedia] Range, Habitat: It is widespread in Mexico (from Baja California east to Coahuila and south as far as Oaxaca) and the southwestern United States (California, New Mexico, Arizona, western Texas).[2] In California, the species grows in chaparral, coastal sage scrub, and other habitats, from sea level to elevations of 2,296 feet (700 m). (link added by Mary Ann Machi)


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 04/02/2025).