Browse by: ~C~
C
- Calochortus nuttallii
- Camassia quamash
- Campanula alaskana
- Campanula dubia
- Campanula heterodoxa
- Campanula intercedens
- Campanula petiolata
- Campanula rotundifolia
- Campanula sacajaweana
- Cantua aggregata
- Cardaria draba
- Carduus arvensis
- Carduus nutans
- Carex ambigens
- Carex anticostensis
- Carex aquatilis
- Carex geyeri
- Carex inflata
- Carex interimus
- Carex rostrata
- Carex stans
- Carex substricta
- Carex utriculata
- Carex variabilis
- Castilleja sp.
- Ceanothus velutinus
- Centaurea maculosa
- Centaurea stoebe, ssp. micranthos
- Ceratocephala falcata
- Ceratocephala orthoceras
- Ceratocephala testiculata
- Ceratoides lanata
- Cercocarpus intricatus
- Cercocarpus ledifolius
- Cercocarpus montanus
- Chamaenerion angustifolium
- Chamerion angustifolium
- Chondrilla juncea
- Chrysothamnus nauseosus
- Chrysothamnus viscidiflorus
- Cichorium intybus
- Cicuta douglasii
- Cicuta maculata, var. californica
- Cirsium arvense
- Cleome lutea
- Cleome serrulata
- Cleomella cornuta
- Cleomella montrosae
- Cleomella nana
- Cleomella palmeriana
- Coleogyne ramosissima
- Conium maculatum
- Convolvulus ambigens
- Convolvulus arvensis
- Convolvulus incancus
- Cowania mexicana, var. stansburiana
- Crepis acuminata
- Cucurbita californica
- Cucurbita palmata
- Cynoglossum officinale