genus Castilleia
genus Castilleja
genus Castor
genus Castoroides
genus Casuarina
genus Casuarius
genus Catacala
genus Catalpa
genus Catananche
genus Catasetum
genus Catha
genus Catharacta
genus Catharanthus
genus Cathartes
genus Cathaya
genus Catoptrophorus
genus Catostomus
genus Cattleya
genus Caulophyllum
genus Cavia
genus Cebuella
genus Cebus
genus Cecropia
genus Cedrela
genus Cedrus
genus Ceiba
genus Celastrus
genus Celosia
genus Celtis
genus Cenchrus
genus Centaurea
genus Centaurium
genus Centranthus
genus Centrocercus
genus Centrolobium
genus Centropomus
genus Centropristis
genus Centropus
genus Centrosema
genus Centunculus
genus Cephalanthera
genus Cephalopterus
genus Cephalotaxus
genus Cephalotus
genus Cepphus
genus Cerapteryx
genus Cerastes
genus Cerastium
genus Ceratitis
genus Ceratodus
genus Ceratonia
genus Ceratopetalum
genus Ceratophyllum
genus Ceratopogon
genus Ceratopteris
genus Ceratosaurus
genus Ceratostomella
genus Ceratotherium
genus Ceratozamia
genus Cercidiphyllum
genus Cercidium
genus Cercis
genus Cercocebus
genus Cercopithecus
genus Cercospora
genus Cercosporella
genus Cereus
genus ceroxylon
genus Certhia
genus Cervus
genus Ceryle
genus Cestrum
genus Cestum
genus Ceterach
genus Cetonia
genus Cetorhinus
genus Cetraria
genus Chaenactis
genus Chaenomeles
genus Chaenopsis
genus Chaetodipterus
genus Chaetodon
genus Chalcis
genus Chalcostigma
genus Chamaea
genus Chamaecrista
genus Chamaecyparis
genus Chamaecytisus
genus Chamaedaphne
genus Chamaeleo
genus Chamaeleon
genus Chamaemelum
genus Chara
genus Charadrius
genus Charina
genus Charronia
genus Chateura
genus Chauna
genus Cheilanthes
genus Cheiranthus
genus Chelidonium