Not Established

	Common name (English)
Cucumis melo	Muskmelon
Cucumis sativus	Cucumber
Cucurbita argyrosperma argyrosperma	Cushaw
Cucurbita ficifolia	Asian pumpkin
Cucurbita moschata	Squash / Pumpkin
Cucurbita pepo	Bitter Bottle Gourd; Vegetable Marrow
Cupressus arizonica	Arizona cypress, Stanta Cruz cypress
Cupressus macrocarpa	Monterey cypress
Cuscuta epilinum
Cutleria multifida
Cyclopterus lumpus	Hen-fish; Lumpsucker; Lumpfish
Cycloscala hyalina
Cyclospermum leptophyllum	marsh parsley; slender celery; fir-leaved celery
Cydonia oblonga	Quince
Cygnus olor	Mute swan
Cynara cardunculus var. hortensis	Globe Artichoke
Cyperus esculentus	Yellow nutsedge, Earth Almond
Dahlia coccinea	Red dahlia
Dahlia ×pinnata	Dahlia, Garden Dahlia
Dalbergia rostrata