| Cachrys |
Cachrys libanotis
| Calendula |
Calendula suffructicosa subsp. carbonelli
Calendula suffructicosa subsp. marginata
| Calicotome |
Calicotome villosa
| Campanula |
Campanula fastigiata
Campanula semisecta
| Capparis |
Capparis spinosa susbp. spinosa
| Cardamine |
Cardamine resedifolia
| Carduus |
Carduus acicularis
Carduus carlinoides subsp. hispanicus
| Carex |
Carex camposii
Carex hispida
Carex leersi
Carex nigra
Carex paniculata subsp. paniculata
Carex pendula
| Caroxylon |
Caroxylon vermiculatum
| Carum |
Carum verticillatum
| Cathissa |
Cathissa reverchonii
| Centaurea |
Centaurea castellanoides subsp. arundana
Centaurea clementei
Centaurea eriophora
Centaurea jacea subsp. angustifolia
Centaurea nevadensis
Centaurea pulvinata
Centaurea sagredoi
Centaurea seridis
Centaurea sulphurea
| Centaurium |
Centaurium maritimum
Centaurium quadrifolium subsp. linariifolium
| Cephalantera |
Cephalanthera damasonium
Cephalantera longifolia
| Cephalaria |
Cephalaria baetica
Cephalaria leucantha
| Cersis |
Cercis siliquastrum
| Cestrum |
Cestrum nocturnum
| Chaenorhinum |
Chaenorhinum glareosum
Chaenorhinum minus subsp. minus
| Chondrilla |
Chondrilla juncea
| Chozophora |
Chozophora tinctorea
| Cirsium |
Cirsium acaulon subsp, gregarium
| Cistus |
Cistus crispus
Cistus ladanifer subsp. ladanifer
Cistus laurifolius
Cistus monspeliensis
Cistus populifolius subsp. populifolius
Cistus salviifolius
Cistus × laxus
| Citrullus |
Citrullus colocynthis
| Clematis |
Clematis campaniflora
| Clynopodium |
Clynopodium vulgare
| Clypeola |
Clypeola jonthlaspi subsp. jonthlaspi
| Colchicum |
Colchicum lusitanicum
| Colutea |
Colutea arborescens subsp. hispanica
| Conium |
Conium maculatum
| Convolvulus |
Convolvulus valentinus
| Corema |
Corema album
| Coris |
Coris momspeliensis subsp. monspeliensis
| Coronilla |
Coronilla glauca
| Cotoneaster |
Cotoneaster granatensis
| Cucubalus |
Cucubalus baccifer
| Crataegus |
Crataegus laciniata
| Crocus |
Crocus clusii
| Crucianella |
Crucianella angustifolia
| Cynanchica |
Cynanchica aristata subsp. scabra
| Cyperus |
Cyperus capitatus
| Cytisus |
Cytissus arboreus subsp. catalanicus
Cytissus arboreus subsp. baeticus
Cytissus grandiflorus subsp. cabezudoi
Cytissus scoparius subsp. reverchonii
