| Species | Common Name |
|---|---|
| Ceanothus cuneatus var. cuneatus | buck brush |
| Ceanothus foliosus | wavy leaved ceanothus |
| Ceanothus leucodermis | chaparral whitethorn |
| Ceanothus oliganthus var. sorediatus | jim brush |
| Ceanothus thyrsiflorus var. thyrsiflorus | |
| Frangula californica subsp. californica | California coffeeberry |
| Frangula californica subsp. tomentella | hoary coffeeberry |
| Rhamnus alaternus | Italian buckthorn |
| Rhamnus crocea | spiny redberry |
| Rhamnus ilicifolia | holly-leaf redberry |