| Ceanothus papillosus |
Wartleaf ceanothus |
No |
| Ceanothus papillosus X oliganthus |
Hybrid Ceanothus |
No |
| Ceanothus Ray Hartman (Shrub Form) |
'Ray Hartman' California lilac |
Yes |
| Ceanothus Ray Hartman (Tree Form) |
'Ray Hartman' California lilac |
Yes |
| Ceanothus Remote Blue |
'Remote Blue' California lilac |
Yes |
| Ceanothus rigidus ‘Sapphire’ |
Monterey ceanothus 'Sapphire' |
Yes |
| Ceanothus rigidus ‘Snowball’ |
Monterey ceanothus 'Snowball' |
Yes |
| Ceanothus Sierra Blue |
'Sierra Blue' California lilac |
Yes |
| Ceanothus spinosus |
Greenbark ceanothus |
Yes |
| Ceanothus Tassajara Blue |
'Tassajara blue' California lilac |
Yes |
| Ceanothus thyrsiflorus |
Blueblossom |
Yes |
| Ceanothus thyrsiflorus ‘Skylark’ |
Blueblossom 'Skylark' |
Yes |
| Ceanothus thyrsiflorus ‘Snow Flurry’ |
Blueblossom 'Snow flurry' |
Yes |
| Ceanothus thyrsiflorus var. griseus ‘Diamond heights’ |
'Diamond heights' carmel creeper ceanothus |
Yes |
| Ceanothus thyrsiflorus var. griseus ‘Carmel Creeper’ |
Carmel ceanothus 'Carmel Creeper' |
Yes |
| Ceanothus thyrsiflorus var. griseus ‘Kurt Zadnik’ |
'Kurt Zadnik' Carmel ceanothus |
No |
| Ceanothus thyrsiflorus var. griseus ‘Yankee Point’ |
'Yankee Point' California lilac |
Yes |
| Ceanothus tomentosus |
Woollyleaf ceanothus |
Yes |
| Ceanothus verrucosus |
White Coast Ceanothus |
No |
| Ceanothus Wheeler Canyon |
'Wheeler Canyon' California lilac |
No |
| Celtis reticulata |
Western Hackberry |
Yes |
| Cephalanthus occidentalis |
California buttonbush |
Yes |
| Cercis occidentalis |
Red bud |
Yes |
| Cercocarpus betuloides var. betuloides |
Mountain Mahogany |
No |
| Cercocarpus betuloides var. blancheae |
Island Mountain Mahogany |
No |
| Cercocarpus ledifolius |
Curl-leaf Mountain Mahogany |
Yes |
| Cercocarpus minutiflorus |
San Diego mountain mahogany |
Yes |
| Cercocarpus traskiae |
Santa Catalina Island Mountain Mahogany |
Yes |
| Chamaebatiaria millefolium |
Fern Bush |
Yes |
| Chilopsis linearis ‘Burgundy’ |
'Burgundy' Desert willow |
No |
| Chilopsis linearis ‘Candy Stripe’ |
'Candy Stripe' Desert willow |
No |
| Chilopsis linearis ‘Conchas Dam Pink’ |
'Conchas Dam Pink' Desert willow |
Yes |
| Chilopsis linearis ‘Hope’ |
'Hope' Desert willow |
No |
| Chilopsis linearis ‘Lucretia Hamilton’ |
'Lucretia Hamilton' Desert willow |
No |
| Chilopsis linearis ‘Maggie’s Pink’ |
'Maggie's Pink' Desert willow |
No |
| Chilopsis linearis ‘Paradise’ |
'Paradise' Desert willow |
Yes |
| Chiranthofremontia lenzii |
Hybrid monkey's hand tree |
No |
| Chlorogalum pomeridianum |
Soaproot |
Yes |
| Chrysolepis chrysophylla |
Golden Chinquapin |
No |
| Cirsium occidentale var californicum |
California thistle |
No |
| Cirsium occidentale var venustum |
Venus thistle |
Yes |
| Clarkia concinna |
Red ribbons |
No |
| Clarkia rhomboidea |
Diamond clarkia |
No |
| Clarkia unguiculata |
Mountain garland |
No |
| Clematis lasiantha |
Chaparral clematis |
No |
| Clematis ligusticifolia |
Virgin's Bower |
Yes |
| Clinopodium chandleri |
San Miguel Savory |
No |
| Clinopodium douglasii |
Yerba buena |
No |
| Clinopodium mimuloides |
Monkey Flower Savory |
Yes |
| Clintonia andrewsiana |
Blue bead lily |
No |