Calflora, a 501c3 non-profit
Distribution by County   5084    
Ludwigia peploides  (Kunth) P. H. Raven
Floating primrose willow,   Floating water primrose,   Marsh purslane
Ludwigia peploides is a perennial herb that is not native to California.
Cal-IPC rating: high
Record Count by County

Alameda: 12 Lake: 2 Placer: 9 Shasta: 20
Butte: 87 Los Angeles: 35 Riverside: 27 Solano: 6
Calaveras: 1 Madera: 7 Sacramento: 113 Sonoma: 35
Colusa: 5 Marin: 25 San Bernardino: 13 Stanislaus: 8
Contra Costa: 14 Mariposa: 1 San Diego: 17 Sutter: 10
El Dorado: 18 Mendocino: 4 San Francisco: 3 Tehama: 15
Fresno: 13 Merced: 21 San Joaquin: 29 Tulare: 8
Glenn: 27 Modoc: 1 San Luis Obispo: 10 Tuolumne: 9
Humboldt: 2 Monterey: 12 San Mateo: 13 Ventura: 29
Inyo: 1 Napa: 8 Santa Barbara: 16 Yolo: 36
Kern: 17 Nevada: 1 Santa Clara: 7 Yuba: 5
Kings: 1 Orange: 49 Santa Cruz: 17

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: 04/19/2024).