Calflora
Taxon  Report   7045    
Ranunculus hydrocharoides  A. Gray
Frog's bit buttercup,  Frogbit buttercup
Ranunculus hydrocharoides
© 1998 Larry Blakely
Photos from
CalPhotos / Calflora
Ranunculus hydrocharoides
© 1998 Larry Blakely
Ranunculus hydrocharoides, a dicot, is a perennial herb (aquatic) that is native to California, is also found outside of California, but is confined to western North America.
CNPS Rare Plant Rank: 2B.1 (rare, threatened, or endangered in CA; common elsewhere).   8th Edition

Interactive Distribution Map


Observation Hotline
(observation details + photos)



point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations



Bloom Period
Ranunculus hydrocharoides
© 1998 Larry Blakely
Family: RANUNCULACEAE  
Genus: Ranunculus
Communities: Freshwater Wetlands, wetland-riparian

Toxicity: MINOR, DERMATITIS

Wetlands: Occurs in wetlands

Habitat: freshwater-marsh

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
ICPN: Ranunculus hydrocharoides var. hydrocharoides
More information about  Ranunculus hydrocharoides
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 (RAHY)

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 17, 2018).

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