Calflora, a 501c3 non-profit
Distribution by County   10303    
Rhododendron occidentale  (Torr. & A. Gray) A. Gray  var. sonomense  (Greene) Rehd.

(not an active name)

Sonoma azalea
Rhododendron occidentale var. sonomense is a tree or shrub that is native to California, and found only slightly beyond California borders.
Record Count by County

Sonoma: 1

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:   (Accessed: 07/20/2024).