Bulbophyllum irianae 
Bulbophyllum jolandae 
Bulbophyllum kubahense 
Bulbophyllum montense 
Bulbophyllum pandurella 
Bulbophyllum takeuchii 
Bulbophyllum vaginatum 
Burnt-tip Orchid 
Butterfly Orchid 
Cactus-Flower Pleurothallis 
Caladenia chlorostyla 
Caladenia dimidia 
Caladenia pholcoidea 
Calanthe beamanii 
Calanthe discolor 
Calanthe lacerata 
Calanthe pulchra 
Calanthe triplicata 
Calochilus platychilus 
Calypso orchidfairy slipper 
Campylocentrum micrantum 
Campylocentrum palominoi 
Candle Orchid 
Caribbean False Helmet Orchid