Taxon  Report   7551    
Sidalcea calycosa  M. E. Jones  ssp. rhizomata  (Jeps.) Munz
Point reyes checkerbloom,  Pt. reyes checkerbloom, Pt. reyes sidalcea
Sidalcea calycosa ssp. rhizomata
© 2013 Vernon Smith
Photos from
CalPhotos / Calflora
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, is endemic (limited) to California.
CNPS Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).   8th Edition

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Sidalcea calycosa ssp. rhizomata
© 2015 Aaron Arthur
Genus: Sidalcea
Parent: Sidalcea calycosa
Communities: Coastal Salt Marsh, wetland-riparian

Wetlands: Occurs in wetlands

Habitat: freshwater-marsh

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
ICPN + 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   /   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).