Calflora, a 501c3 non-profit
Distribution by County   5735    
Myriophyllum aquaticum  (Vell.) Verdc.
Parrot feather watermilfoil,   Parrot's feather,   Parrotfeather
Myriophyllum aquaticum is a perennial herb (aquatic) that is not native to California.
Cal-IPC rating: high
Record Count by County

Alameda: 9 Kings: 10 Riverside: 57 Solano: 9
Butte: 33 Lake: 6 Sacramento: 8 Sonoma: 12
Colusa: 2 Los Angeles: 10 San Bernardino: 2 Stanislaus: 1
Contra Costa: 9 Madera: 6 San Diego: 4 Sutter: 10
Del Norte: 2 Marin: 123 San Francisco: 10 Tehama: 2
El Dorado: 2 Mariposa: 3 San Joaquin: 14 Trinity: 1
Fresno: 23 Mendocino: 72 San Luis Obispo: 6 Tulare: 3
Glenn: 2 Merced: 6 San Mateo: 23 Ventura: 4
Humboldt: 15 Monterey: 2 Santa Barbara: 1 Yolo: 1
Imperial: 127 Napa: 2 Santa Clara: 2 Yuba: 13
Inyo: 2 Nevada: 8 Santa Cruz: 1
Kern: 1 Placer: 5 Shasta: 10

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: 05/10/2024).