Chinese spiranthes 
Chives 
Chlorophytum comosum 
Chlorophytum glaucoides 
Chlorophytum tuberosum 
Choco' Lepanthes 
Chocolate Lily 
Christmas Bells 
Christmas Orchid 
Cischweinfia dasyandra 
Clackamas iris 
Claderia viridiflora 
Clamshell Orchid 
Coastal iris 
Cochlioda vulcanica 
Coelia bella 
Coelogyne asperata 
Coelogyne corymbosa 
Coelogyne exalata 
Coelogyne flaccida 
Coelogyne hirtella 
Coelogyne kinabaluensis 
Coelogyne monilirachis 
Coelogyne planiscapa