Calflora
Taxon  Report   7575    
Sidalcea oregana  (Torr. & A. Gray) A. Gray
Oregon checker mallow,  Oregon checkerbloom
Sidalcea oregana, a dicot, is a perennial herb that is native to California, is also found outside of California, but is confined to western North America.
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

Bloom Period

Wetlands: Occurs usually in wetlands, occasionally in non wetlands

Habitat: freshwater-marsh

Communities: Sagebrush Scrub, Redwood Forest, Mixed Evergreen Forest, Freshwater Wetlands, Yellow Pine Forest, Red Fir Forest, Lodgepole Forest, wetland-riparian

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
ICPN: Sidalcea oregana var. maxima
More information about  Sidalcea oregana

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]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: Sep 21, 2020).