Sidalcea oregana ssp. hydrophila Calflora

Taxon Report

Sidalcea oregana (Torrey & A. Gray) A. Gray ssp. hydrophila (A.A. Heller) C. Hitchc.

Marsh checkerbloom, Oregon checkerbloom

2005 Jennifer L. Kalt

Sidalcea oregana ssp. hydrophila is a perennial herb that is native to California, and endemic (limited) to California.

California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).


	Plant Range Observation Search ~67 records in California Plant Characteristics one or more occurrences within a 7.5-minute quadrangle

Bloom Period

Photos on Calflora


Parent:	Sidalcea oregana
Genus:	Sidalcea
Family:	Malvaceae
Category:	angiosperm
PLANTS group:	Dicot
Jepson eFlora section: eudicot

Wetlands: Occurs usually in wetlands, occasionally in non wetlands

Habitat: riparian, meadows

Communities: Yellow Pine Forest, Mixed Evergreen Forest, wetland-riparian

Name Status:
Accepted by JEF + CNPS + PLANTS

Information about Sidalcea oregana ssp. hydrophila from other sources


Nursery availability from CNPLX Commercial availability unknown. Jepson eFlora USDA PLANTS Profile (SIORH) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist ID Tips on PlantID.net	ITIS Original Publication citation International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape BONAP Distribution Map CNPS Inventory: 1B.2 Consortium of California Herbaria 2 Search the Native American Ethnobotany Database	Add an Observation Location Suitability Planting Guide Distribution by County
photos / record / common / links 0000 0000 0405 1364:! 2005 Jennifer L. Kalt:! null:!

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: 07/14/2025).