Bulbophyllum montense 
Bulbophyllum pandurella 
Bulbophyllum takeuchii 
Bulbophyllum vaginatum 
Bunch-flowered Daffodil 
Burnt-tip Orchid 
Bush lily 
Butchers-broom 
Butterfly Orchid 
Cabbage tree 
Cactus-Flower Pleurothallis 
Caladenia chlorostyla 
Caladenia dimidia 
Caladenia pholcoidea 
Calanthe beamanii 
Calanthe discolor 
Calanthe lacerata 
Calanthe pulchra 
Calanthe triplicata 
Calendula tripterocarpa 
Calochilus platychilus 
Calypso orchidfairy slipper 
Camas 
Campylocentrum micrantum