Carpinus betulus
Hornbeam
Carpobrotus edulis
Hottentot-fig
Cascabela thevetia
Yellow Oleander
Castanea sativa
Sweet Chestnut
Catabrosa aquatica
Whorl-grass
Catapodium rigidum
Fern-grass
Cedrus atlantica
Atlas Cedar
Cedrus deodara
Deodar
Cedrus libani
Cedar-of-Lebanon
Centaurea debeauxii
Slender Knapweed
Centaurea montana
Perennial Cornflower
Centaurea nigra
Common Knapweed
Centaurea scabiosa
Greater Knapweed
Centaurium erythraea
Common Centaury
Centaurium littorale
Seaside Centaury
Centaurium portense
Perennial Centaury
Centaurium pulchellum
Lesser Centaury
Centranthus ruber
Red Valerian
Centratherum punctatum
Brazilian bachelor's button
Cephalanthera damasonium
White Helleborine
Cerastium alpinum
Alpine Mouse-ear
Cerastium arvense
Field Mouse-ear
Cerastium pumilum
Dwarf Mouse-ear
Cerastium semidecandrum
Little Mouse-ear