Common Ramping-Fumitory 
Common water-crowfoot 
Consolida flava 
Consolida incana 
Consolida leptocarpa 
Consolida pusilla 
Consolida scleroclada 
Corydalis alpestris 
Corydalis erdelii 
Corydalis ledebouriana 
Corydalis triternata 
Coulter's Matilija poppy 
Creeping Buttercup 
Creeping mahonia 
Cretan Buttercup 
Crimson columbine 
Cursed Crowfoot 
Delphinium caucasicum 
Delphinium elatum 
Delphinium fissum 
Delphinium nuttallii 
Delphinium peregrinum 
Delphinium sclerocladum 
Delphinium_halteratum