Carpobrotus edulis
Hottentot-fig
Carum carvi
Caraway
Cascabela thevetia
Yellow Oleander
Cassia artemisioides
Feathery Cassia
Cassia fistula
Golden Shower Tree
Castanea sativa
Sweet Chestnut
Castilla elastica
Panama Rubber Tree
Casuarina equisetifolia
Coastal She-oak
Ceanothus dentatus
Ceanothus
Ceanothus sp.
Ceanothus
Ceanothus thyrsiflorus
Creeping Blueblossom
Celosia argentea
Silver Cock's Comb
Centaurea cyanus
Cornflower
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
Centaurium scilloides
Perennial Centaury
Centranthus ruber
Red Valerian
Centratherum punctatum
Brazilian bachelor's button