Caruncle Bearing Lepanthes 
Cat-face orchid 
Catasetum ochraceum 
Catasetum saccatum 
Cattleya maxima 
Cattleya purpurata 
Cattleya rex 
Cattleya violacea 
Centipede Grass Orchid 
Cephalanthera epipactoides 
Cephalanthera kurdica 
Chan's Coelogyne 
Charming Dendrobium 
Charming Paphiopedilum 
Checkered Rattlesnake Plantain 
Chinese Ground Orchid 
Chinese spiranthes 
Choco' Lepanthes 
Christmas Orchid 
Cischweinfia dasyandra 
Claderia viridiflora 
Clamshell Orchid 
Cochlioda vulcanica 
Coelia bella