Oregon Tea Tree

Ceanothus sanguineus

Sonoma Ceanothus

Ceanothus sonomensis

Greenbark Ceanothus

Ceanothus spinosus

Blueblossom Ceanothus

Ceanothus thyrsiflorus

Carmel Ceanothus

Ceanothus thyrsiflorus var. griseus

Creeping Blueblossom

Ceanothus thyrsiflorus var. thyrsiflorus

Woollyleaf Ceanothus

Ceanothus tomentosus

Tobacco Brush

Ceanothus velutinus

White Coast Ceanothus

Ceanothus verrucosus

Mojave Ceanothus

Ceanothus vestitus

Coffeeberry

Frangula californica

California Coffeeberry

Frangula californica ssp. californica

Serpentine Hoary Coffeeberry

Frangula californica ssp. crassifolia

Sierra Hoary Coffeeberry

Frangula californica ssp. cuspidata

Western California Coffeeberry

Frangula californica ssp. occidentalis

Hoary Coffeeberry

Frangula californica ssp. tomentella

Cascara Sagrada

Frangula purshiana

Frangula purshiana ssp. annonifolia

Frangula purshiana ssp. purshiana

Caribou Coffee Berry

Frangula purshiana ssp. ultramafica

Sierra Coffeeberry

Frangula rubra

Frangula rubra ssp. modocensis

Frangula rubra ssp. obtusissima

Red Buckthorn

Frangula rubra ssp. rubra

Frangula rubra ssp. yosemitana

Alder Buckthorn

Rhamnus alnifolia

Spiny Redberry

Rhamnus crocea

Hollyleaf Redberry

Rhamnus ilicifolia

Hairyleaf Redberry

Rhamnus pilosa

Island Redberry

Rhamnus pirifolia