Calflora, a 501c3 non-profit
Distribution by County   170    
Alisma plantago-aquatica  L.

(not an active name)
Water plantain
Alisma plantago-aquatica is a perennial herb (aquatic) that is native to California, and also found elsewhere in North America and beyond.
Record Count by County

Alameda: 5 Los Angeles: 6 Placer: 1 Shasta: 2
Amador: 1 Marin: 8 Plumas: 1 Solano: 6
Butte: 8 Mariposa: 3 Riverside: 1 Sonoma: 10
Calaveras: 2 Mendocino: 3 Sacramento: 8 Stanislaus: 1
Colusa: 1 Merced: 2 San Bernardino: 6 Tuolumne: 6
Contra Costa: 5 Modoc: 1 San Joaquin: 4 Ventura: 2
Fresno: 3 Monterey: 2 San Luis Obispo: 3 Yolo: 1
Humboldt: 1 Napa: 2 San Mateo: 1
Lake: 4 Nevada: 3 Santa Clara: 5
Lassen: 3 Orange: 1 Santa Cruz: 3

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: 11/25/2024).