Calflora, a 501c3 non-profit
Distribution by County   5085    
Ludwigia peploides  (Kunth) P. H. Raven  ssp. montevidensis  (Spreng.) P. H. Raven
Floating primrose willow,   Floating water primrose
Ludwigia peploides ssp. montevidensis is a perennial herb that is not native to California.
Record Count by County

Alameda: 2 Glenn: 1 Sacramento: 47 Stanislaus: 2
Butte: 51 Los Angeles: 4 San Francisco: 1 Sutter: 2
Contra Costa: 4 Marin: 11 San Joaquin: 18 Tehama: 2
El Dorado: 1 Napa: 6 Santa Clara: 3 Tuolumne: 9
Fresno: 3 Orange: 4 Shasta: 4 Yolo: 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]. 2025. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 03/22/2025).