|
Kingdom Plantae |
|
Rhamnus californica ssp. cuspidata (Greene) C.B. Wolf – accepted – California buckthorn
|
|
Rhamnus californica ssp. ursina (Greene) C.B. Wolf – accepted – California buckthorn
|
|
Rhamnus californica var. ursima (Greene) C.B. Wolf – not accepted
|
|
Rhamnus crocea ssp. pirifolia (Greene) C.B. Wolf – not accepted
|
|
Rhamnus rubra ssp. obtusissima (Greene) C.B. Wolf – accepted – obtuse buckthorn
|
|
Rhamnus smithii ssp. fasciculata (Greene) C.B. Wolf – not accepted |
|
|