Calflora, a 501c3 non-profit
Distribution by County   4358    
Iris pseudacorus  L.
Horticultural iris,   Paleyellow iris,   Yellowflag iris,   Water iris
Iris pseudacorus is a perennial herb that is not native to California.
Cal-IPC rating: limited
Record Count by County

Alameda: 7 Marin: 100 Sacramento: 58 Santa Cruz: 2
Butte: 19 Mariposa: 1 San Benito: 2 Shasta: 21
Contra Costa: 20 Mendocino: 11 San Bernardino: 13 Siskiyou: 6
Del Norte: 1 Merced: 10 San Diego: 34 Solano: 14
El Dorado: 5 Monterey: 15 San Francisco: 3 Sonoma: 21
Glenn: 1 Napa: 4 San Joaquin: 18 Tuolumne: 2
Humboldt: 17 Nevada: 4 San Luis Obispo: 9 Ventura: 5
Kern: 5 Orange: 41 San Mateo: 15 Yolo: 6
Los Angeles: 23 Placer: 2 Santa Barbara: 8
Madera: 5 Riverside: 4 Santa Clara: 12

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: 04/26/2024).