Taxon  Report   7551 
Sidalcea calycosa  M.E. Jones  ssp. rhizomata  (Jepson) Munz
Point reyes checkerbloom,  Pt. reyes checkerbloom, Pt. reyes sidalcea
Sidalcea calycosa ssp. rhizomata
© 2015 Aaron Arthur
Click on a photo to see it bigger.
Sidalcea calycosa ssp. rhizomata
© 2013 Robert Steers/NPS
Sidalcea calycosa ssp. rhizomata
© 2013 Aaron Arthur
Sidalcea calycosa ssp. rhizomata, a dicot, is a perennial herb (rhizomatous) that is native to California and is endemic (limited) to California.
It is included in the CNPS Inventory of Rare and Endangered Plants on list 1B.2 (rare, threatened, or endangered in CA and elsewhere).   7th Edition  /  8th Edition

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one or more occurrences
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Plant Characteristics
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Sidalcea calycosa ssp. rhizomata
© 2013 Vernon Smith
Genus: Sidalcea
Parent Record Sidalcea calycosa
Coastal Salt Marsh, wetland-riparian
Habitat: freshwater-marsh
Wetlands: Occurs in wetlands
Distribution by County 

Add an Observation of  Sidalcea calycosa ssp. rhizomata

Name Status:
Accepted by TJM2 + CNPS + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Sidalcea rhizomata
More information about  Sidalcea calycosa ssp. rhizomata
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Photos and ID tips from

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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]. 2017. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Nov 24, 2017).

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