Calflora
Taxon  Report   7033    
Ranunculus canus  Benth.
Great valley buttercup,  Hartweg's buttercup, Sacramento valley buttercup
Ranunculus canus
© 2009 Barry Rice
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, 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
© 2007 George W. Hartwell
Family: RANUNCULACEAE  
Genus: Ranunculus
Subspecies and Varieties:
Communities: Valley Grassland, Foothill Woodland, Yellow Pine Forest, wetland-riparian

Toxicity: MINOR, DERMATITIS

Wetlands: Equally likely to occur in wetlands and non wetlands

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Ranunculus californicus var. laetus
PLANTS: Ranunculus canus var. laetus
PLANTS: Ranunculus canus var. typicus
. . .
More information about  Ranunculus canus
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation

USDA PLANTS Profile (RACA3)

Search the International Plants Names Index

Search efloras.org (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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available: https://www.calflora.org/   (Accessed: Nov 20, 2018).

The information on this page comes from diverse sources. None of the links are sponsored.