East Bay Native Plant Species Alameda and Contra Costa counties are home to many native plant species. We have assembled an incomplete (but growing!) collection of photographs and information about many of these. Search for: Show all species Curled inflorescence of large-flowered fiddleneck. Photo by John Rusk (CC BY 2.0).Mount Diablo jewelflower (Streptanthus hispidus) at Eagle Peak, Mount Diablo State Park. Photo by Cathy Chambers.Blue dicks (Dipterostemon capitatus). Photo by Elsa de Becker.Western leatherwood (Dirca occidentalis).