Caesalpinia tara – synonym of Caesalpinia spinosa
Caesalpinia tinctoria – synonym of Caesalpinia spinosa
Caldcluvia paniculata – synonym of Caldcluvia paniculata
Calucechinus antarctica – synonym of Nothofagus antarctica
Calucechinus montagnei – synonym of Nothofagus antarctica
Calusparassus betuloides – synonym of Nothofagus betuloides
Calusparassus forsteri – synonym of Nothofagus betuloides
Calusparassus pumilio – synonym of Nothofagus pumilio
Cassine magellanica – synonym of Maytenus magellanica
Celastrus boaria – synonym of Maytenus boaria
Celastrus magellanicus – synonym of Maytenus magellanica
Celastrus maytenus – synonym of Maytenus boaria
Celastrus uncinatus – synonym of Maytenus boaria
Ceratonia chilensis – synonym of Prosopis chilensis
Cereus atacamensis – synonym of Helianthocereus atacamensis
Cereus candelaris – synonym of Browningia candelaris
Cereus sigillarioides – synonym of Browningia candelaris
Ceroxylon australe – synonym of Juania australis
Cheirodendron laetevirens – synonym of Pseudopanax laetevirens
Chuquiraga excelsa – synonym of Dasyphyllum excelsum
Citharexylon cyanocarpum – synonym of Rhaphithamnus spinosus
Citharexylon venustum – synonym of Rhaphithamnus venustus
Cocos chilensis – synonym of Jubaea chilensis
Columbea quadrifaria – synonym of Araucaria araucana
Coprosma hookeri – synonym of Coprosma oliveri
Coprosma triflora – synonym of Coprosma oliveri
Cornus chilensis – synonym of Aristotelia chilensis
Coultheria chilensis – synonym of Caesalpinia spinosa
Coultheria horrida – synonym of Caesalpinia spinosa
Coultheria tinctoria – synonym of Caesalpinia spinosa
Crinodendron dependens – synonym of Crinodendron patagua
Crinodendron eriocladum – synonym of Crinodendron hookerianum
Crinodendron patagua – synonym of Crinodendron hookerianum
Cryptocarya alba – synonym of Beilschmiedia berteroana
Cryptocarya berteroana – synonym of Beilschmiedia berteroana
Cryptocarya laxiflora – synonym of Cryptocarya alba
Cryptocarya peumo – synonym of Cryptocarya alba
Cryptocarya peumus – synonym of Cryptocarya alba
Cryptocarya rubra – synonym of Cryptocarya alba
Cryptocarya stenantha – synonym of Cryptocarya alba
Cuminia fernandezia – synonym of Cuminia eriantha
Cyptocarya mammosa – synonym of Cryptocarya alba
Cytharexylum ovatum – synonym of Rhaphithamnus spinosus