Taxon  Report   7033 
Ranunculus canus  Benth.
Great valley buttercup,  Hartweg's buttercup, Sacramento valley buttercup
Ranunculus canus
© 2007 George W. Hartwell
More photos from
CalPhotos / Calflora
Ranunculus canus
© 2012 Barry Rice
Ranunculus canus
© 2012 Jason Matthias Mills
Ranunculus canus, a dicot, is a perennial herb that is native to California and is endemic (limited) to California.

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Ranunculus canus
© 2009 Barry Rice
Valley Grassland, Foothill Woodland, Yellow Pine Forest, wetland-riparian
Wetlands: Equally likely to occur in wetlands and non wetlands
Toxicity: MINOR, DERMATITIS   [California Poison Control System 2010]    
Name Status:
Accepted by JEF + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Ranunculus californicus var. laetus
PLANTS: Ranunculus canus var. laetus
PLANTS: Ranunculus canus var. typicus
PLANTS: Ranunculus ludovicianus
ICPN: Ranunculus canus var. blankinshipii
ICPN: Ranunculus hesperoxys
More information about  Ranunculus canus
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / 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)

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Jul 23, 2018).

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