Common Name - -	Family : Order
Cabbage rose - -	Rosaceae : Rosales
Cacao tree - -	Malvaceae : Malvales
Cade juniper - -	Cupressaceae : Pinales
Calabash tree - -	Bignoniaceae : Lamiales
Calamint - -	Lamiaceae : Lamiales
Calamondin - -	Rutaceae : Sapindales
California privet - -	Oleaceae : Lamiales
Callused catasetum - -	Orchidaceae : Asparagales
Camellia - -	Theaceae : Ericales
Canada thistle - -	Asteraceae : Asterales
Canary islands juniper - -	Cupressaceae : Pinales
Candle plant - -	Asteraceae : Asterales
Cane orchid - -	Orchidaceae : Asparagales
Cannonball tree - -	Lecythidaceae : Ericales
Cape fig - -	Moraceae : Rosales
Cape jasmine - -	Rubiaceae : Gentianales
Caper bean - -	Orchidaceae : Asparagales
Caraway - -	Apiaceae : Apiales
Cardboard palm - -	Zamiaceae : Cycadales
Cathedral bells - -	Polemoniaceae : Ericales
Ceibo tree - -	Malvaceae : Malvales
Chicory - -	Asteraceae : Asterales
Chilean evening-primrose - -	Onagraceae : Myrtales
Chinese banyan tree - -	Moraceae : Rosales
Chinese cabbage - -	Brassicaceae : Brassicales
Chinese cucumber - -	Cucurbitaceae : Cucurbitales
Chinese prickly juniper - -	Cupressaceae : Pinales
Chinese rice flower - -	Meliaceae : Sapindales
Chinese rose - -	Rosaceae : Rosales
Chinese sacred lily - -	Amaryllidaceae : Asparagales
Chinese tulip tree - -	Magnoliaceae : Magnoliales
Chinese wistaria - -	Fabaceae : Fabales
Chingensai - -	Brassicaceae : Brassicales
Christmas orchid - -	Orchidaceae : Asparagales
Cirrhaea-like cataseum - -	Orchidaceae : Asparagales
Citron - -	Rutaceae : Sapindales
Climbing daisy - -	Asteraceae : Asterales
Clove pink - -	Caryophyllaceae : Caryophyllales
Coconut pie orchid - -	Orchidaceae : Asparagales
Coffee - -	Rubiaceae : Gentianales
Coligallo palm - -	Arecaceae : Arecales
Colorado four o'clock - -	Nyctaginaceae : Caryophyllales
Comet orchid - -	Orchidaceae : Asparagales
Common buttonbush - -	Rubiaceae : Gentianales
Common corncockle - -	Caryophyllaceae : Caryophyllales
Common elderberry - -	Adoxaceae : Dipsacales
Common evening-primrose - -	Onagraceae : Myrtales
Common fig - -	Moraceae : Rosales
Common hyacinth - -	Hyacinthaceae : Asparagales
Common juniper - -	Cupressaceae : Pinales
Common kidneyvetch - -	Fabaceae : Fabales
Common lilac - -	Oleaceae : Lamiales
Common linden - -	Malvaceae : Malvales
Common pear - -	Rosaceae : Rosales
Common sunflower - -	Asteraceae : Asterales
Common tansy - -	Asteraceae : Asterales
Common twayblade - -	Orchidaceae : Asparagales
Common white jasmine - -	Oleaceae : Lamiales
Consul schiller's cattleya - -	Orchidaceae : Asparagales
Coontie - -	Zamiaceae : Cycadales
Copa palm - -	Arecaceae : Arecales
Corn poppy - -	Papaveraceae : Ranunculales
Corydale - -	Fumariaceae : Ranunculales
Costmary - -	Asteraceae : Asterales
Cow parsnip - -	Umbelliferae : Apiales
Cowslip - -	Primulaceae : Ericales
Coyote tobacco - -	Solanaceae : Solanales
Cream narcissus - -	Amaryllidaceae : Asparagales
Creeping savory - -	Lamiaceae : Lamiales
Creeping willow - -	Salicaceae : Malpighiales
Cretan catchfly - -	Caryophyllaceae : Caryophyllales
Crimson cattleya - -	Orchidaceae : Asparagales
Cuachilote - -	Bignoniaceae : Lamiales
Cuckoo flower - -	Caryophyllaceae : Caryophyllales
Cuckoo-pint - -	Araceae : Alismatales
Cucumbertree - -	Magnoliaceae : Magnoliales
Cyclamen - -	Myrsinaceae : Ericales