Canary Bird
Canary Bird is a synonym of Austria.
Canna Lily
Canna Lily is a synonym of Canna.
Cannova Red
Cannova Red is a synonym of Cannova Red Shades.
Caribbean
Caribbean is a synonym of indica var. indica.
Carman
Carman is a synonym of Eureka.
Carmen
Carmen is a synonym of Eureka.
carnea Roscoe
carnea Roscoe is a synonym of indica var. indica.
Caroni
Caroni is a synonym of glauca f. Caroni.
Cattleya
Cattleya is a synonym of Allemania.