Crocus nudiflorus
Autumn Crocus
Crocus tommasinianus
Early Crocus
Crocus x luteus
Yellow Crocus
Cruciata laevipes
Crosswort
Cryptogramma crispa
Parsley Fern
Cryptomeria japonica
Japanese Red-cedar
Ctenanthe setosa
Cupressus nootkatensis
Nootka Cypress
Cuscuta epithymum
Dodder
Cuscuta europaea
Greater Dodder
Cycas revoluta
Sago Palm
Cydonia oblonga
Quince
Cymbalaria muralis
Ivy-leaved Toadflax
Cymbopogon citratus
West Indian Lemon gGass
Cynara cardunculus
Cardoon
Cynoglossum officinale
Hound's-tongue
Cynosurus cristatus
Crested Dog's-tail
Cyperus alternifolius
Cyperus fuscus
Brown Galingale
Cyperus mindorensis
White-Head Spike Sedge
Cypripedium calceolus
Lady's-slipper
Cyrtomium fortunei
Fortune's cyrtomium
Cyrtophyllum fragrans
Tembusu
Cyrtostachys renda
Red Sealing Wax Palm