Calflora, a 501c3 non-profit
Distribution by County   7089    
Rhododendron occidentale  (Torr. & A. Gray) A. Gray
Western azalea
Rhododendron occidentale is a tree or shrub that is native to California, and found only slightly beyond California borders.
Record Count by County

Amador: 1 Madera: 23 Riverside: 77 Solano: 1
Butte: 42 Marin: 117 San Benito: 10 Sonoma: 125
Calaveras: 8 Mariposa: 59 San Diego: 58 Tehama: 7
Colusa: 9 Mendocino: 52 San Francisco: 1 Trinity: 45
Del Norte: 21 Mono: 3 San Mateo: 14 Tulare: 13
El Dorado: 31 Monterey: 2 Santa Clara: 3 Tuolumne: 19
Fresno: 33 Napa: 65 Santa Cruz: 56 Yuba: 9
Humboldt: 58 Nevada: 37 Shasta: 39
Kern: 3 Placer: 22 Sierra: 12
Lake: 19 Plumas: 31 Siskiyou: 32

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: 11/21/2024).