East Bay Native Plant Species Find out more about some of the native plant species of Alameda and Contra Costa counties. Search for: Show All Species Antioch Dunes evening primrose (Oenothera deltoides ssp. howellii) at Antioch Dunes National Wildlife Refuge. Photo by James Gorham, CC BY-NC 4.0.Shredding evening-primrose (Eremothera boothii ssp. decorticans), close-up of flowers and buds. Photo by Bonnie Nickel CC-BY-NC 4.0.Dwarf brodiaea (Brodiaea terrestris) is ranked A2 in Alameda and Contra Costa counties. Photo by Dianne Lake.Pallid manzanita (Arctostaphylos pallida) and brittleleaf manzanita (A. crustacea) grow in the rocky soil of a manzanita barren at Huckleberry Preserve.