RSA - California Botanic Garden Herbarium (RSA:RSA)
RSA0037117
475558f9-9914-410e-b0ac-85e152acd162
821457
Rhododendron sonomense Greene
Ericaceae
G. Fred Hrusa
G. Fred Hrusa
6097
1989-05-08
May 8, 1989
United States, California, Sonoma, Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma.
38.3416667 -122.4336111
518 meters
1700ft.
On dry, steep, W facing slopes under and among chaparral. No surface water, but local seeps present. Parent material volcanic tuff overlying hard rock volcanics.
Deciduous shrub, < 5 ft.
flowers
herbarium sheet
Referable to Rhododendron sonomense as lectotypified in Hrusa, G.F., Madrono 59: 139, 2012.