Cactus
Cakile maritima
Calandrinia
Calendula
Calochortus
Calystegia
Camassia
Camissonia
cheiranthifolia
Cardionema
Carex obnupta
Carissa
Carpobrotus
Cassia
Castilleja exserta
Ceanothus
Cedrus
Centaurea
Centranthus |
Cercidium
Cercis
Cercocarpus
Chaenactis
artemisiifolia
Cherianthus
Chilopsis
Chorisia
Chorizanthe
Chrysanthemum
Chrysothamnus
Cimicifuga
Cirsium foliosum
Cirsium
scariosum
Cistus
Clarkia
bottae
Claytonia
Clematis
ligusticifolia
Cleome
|
Cneoridium
Collinsia
Comarostaphylis
Cordyline
Coreopsis
Corethrogyne
Cornus
Cortaderia
Cosmos
Cotula
Cressa
Croton
Crypsis
Cryptantha
Cucurbita
Cynoglossum
Cyperus
eragrostis |