A guide to the woody trees and shrubs of Tilden Nature Area and Tilden Regional Park.
If a species isn't on this guide, document it!
Ribes californicum, with the common name Hillside gooseberry, is a native species of currant. It is endemic to California, where it can be found throughout many of the California Coast, Transverse, and Peninsular Ranges in local habitat types such as chaparral and woodlands.
Ribes sanguineum (flowering currant or red-flowering currant) is a species of flowering plant in the family Grossulariaceae, native to western coastal North America from central British Columbia south to central California.