UCR - University of California, Riverside Herbarium - Vascular Plants (UCR)
UCR0066560
UCR-BPS-209396
UCR-209396
Arctostaphylos rainbowensis J.E. Keeley & A. Massihi
Ericaceae
Fred M. Roberts
6515
2007-04-13
2007-4-13
United States, California, Riverside, south of Mesa de Colorado on the Santa Rosa Plateau, northwest corner of El Calamar Road and Via Escalon, 1.6 km west-northwest of the summit of Mesa de La Punta
33.49806 -117.26889
0474767E 3706523N; T8S R4W sec
536 meters (1758ft)
Top of ridge among boulders on rocky loam soil in chaparral with Adenostoma fasciculatum, Xylococcus bicolor, Cercocarpus betuloides.