Calflora, a 501c3 non-profit
Distribution by County   7026    
Ranunculus aquatilis  L.  var. capillaceus  (Thuill.) DC.

(not an active name)
Threadleaf crowfoot
Ranunculus aquatilis var. capillaceus is a perennial herb (aquatic) that is native to California, and also found elsewhere in North America and beyond.
also called Ranunculus aquatilis var. diffusus
Record Count by County

Alameda: 13 Lake: 6 Plumas: 24 Siskiyou: 1
Alpine: 5 Lassen: 18 Riverside: 21 Solano: 2
Amador: 1 Los Angeles: 2 Sacramento: 5 Sonoma: 2
Butte: 13 Madera: 6 San Benito: 10 Stanislaus: 1
Calaveras: 6 Marin: 9 San Bernardino: 24 Sutter: 2
Colusa: 1 Mariposa: 6 San Diego: 68 Tehama: 5
Contra Costa: 9 Mendocino: 5 San Francisco: 3 Trinity: 1
El Dorado: 8 Modoc: 2 San Luis Obispo: 19 Tulare: 20
Fresno: 20 Mono: 31 San Mateo: 6 Tuolumne: 2
Glenn: 2 Monterey: 17 Santa Clara: 18 Ventura: 6
Humboldt: 6 Napa: 6 Santa Cruz: 1 Yolo: 2
Inyo: 20 Nevada: 11 Shasta: 9 Yuba: 2
Kern: 12 Placer: 8 Sierra: 9

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).