Calflora, a 501c3 non-profit
Distribution by County   11053    
Ranunculus aquatilis  L.  var. subrigidus  (W. B. Drew) Breitung

(not an active name)
Longbeak buttercup
Ranunculus aquatilis var. subrigidus is a perennial herb (aquatic) that is native to California.
also called Ranunculus aquatilis var. diffusus
Record Count by County

Alameda: 7 Lake: 2 Nevada: 7 Santa Cruz: 1
Alpine: 2 Lassen: 8 Placer: 6 Shasta: 4
Amador: 1 Los Angeles: 2 Plumas: 21 Sierra: 6
Butte: 8 Madera: 1 Riverside: 2 Siskiyou: 1
Calaveras: 1 Marin: 5 Sacramento: 3 Sonoma: 2
Contra Costa: 6 Mariposa: 2 San Benito: 6 Tehama: 4
El Dorado: 5 Mendocino: 2 San Bernardino: 5 Tulare: 11
Fresno: 14 Merced: 2 San Diego: 51 Ventura: 5
Glenn: 1 Modoc: 1 San Francisco: 1 Yolo: 1
Humboldt: 3 Mono: 20 San Luis Obispo: 14 Yuba: 1
Inyo: 8 Monterey: 14 San Mateo: 5
Kern: 8 Napa: 2 Santa Clara: 8

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]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 11/21/2024).