Taxon  Report   7575    
Sidalcea oregana  (Torr. & A. Gray) A. Gray
Oregon checker mallow,  Oregon checkerbloom
Sidalcea oregana
© 2003 Michael Charters
Photos from
CalPhotos / Calflora
Sidalcea oregana
© 2010 Jean Pawek
Sidalcea oregana
© 1982 Gary A. Monroe
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.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Sidalcea oregana
© 2005 Christopher L. Christie
Communities: Sagebrush Scrub, Redwood Forest, Mixed Evergreen Forest, Freshwater Wetlands, Yellow Pine Forest, Red Fir Forest, Lodgepole Forest, wetland-riparian

Wetlands: Occurs usually in wetlands, occasionally in non wetlands

Habitat: freshwater-marsh

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
ICPN: Sidalcea oregana var. maxima
More information about  Sidalcea oregana
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Landscaping information from Calscape
Photos on   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

website references from Google

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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 21, 2019).