[Cornus alba var. californica (C.A.Mey.) B.Boivin, moreCornus alba var. occidentalis (Torr. & A.Gray) B.Boivin, Cornus californica C.A. Mey., Cornus occidentalis (Torr. & A.Gray) Coville, Cornus stolonifera var. californica (C.A.Mey.) McMinn, Cornus stolonifera var. occidentalis (Torr. & A.Gray) C.L.Hitchc.]