Calflora Taxon Report
Ranunculus bonariensis  Poir.  var. trisepalus  (Gillies ex Hook. & Arn.) Lourteig
Carter's buttercup, Vernal pool buttercup
photo on Calflora
2008 Steve Matson
photo on Calflora
2008 Steve Matson
photo on Calflora
2008 Steve Matson
photo on Calflora
2008 Steve Matson
photo on Calflora
2017 Ramona Robison
photo on Calflora
2023 Donald Burk
photo on CalPhotos
2004 Carol W. Witham
photo on Calflora
2025 Donald Burk
photo on Calflora
2025 Donald Burk
photo on Calflora
2025 Donald Burk
photo on CalPhotos
2004 Carol W. Witham
Ranunculus bonariensis var. trisepalus is an annual herb that is native to California, and endemic (limited) to California.
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
DJJJASONAFMM

Bloom Period
Parent: Ranunculus bonariensis
Genus: Ranunculus
Family: Ranunculaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot
Toxicity: Do not eat any part of this plant.

Wetlands: Occurs in wetlands

Communities: Foothill Woodland, Valley Grassland, wetland-riparian

Name Status:
Accepted by JEF + PLANTS + POWO
Alternate Names:
JEF + PLANTSRanunculus alveolatus
PLANTSRanunculus trisepalus
External links:
Suggested Citation
“Calflora - Taxon Report.” The Calflora Database, a non-profit organization. .

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