Dipterostemon capitatus 
Diuris chrysantha 
Diuris corymbosa 
Double-edged Lance Pleurothallis 
Douglas iris 
Dove Flower 
Downy rattlesnake plantain 
Dracaena angolensis 
Dracaena fragrans 
Dracaena hanningtonii 
Dracaena porteri 
Dracula carcinopsis 
Dracula dalessandroi 
Dracula lafleurii 
Dragon blood tree 
Drimia aphylla 
Drimia numidica 
Drimia palaestina 
Dusky fingers 
Dutch iris 
Dwarf crested iris 
Dwarf Iris 
Dwarf lake iris 
Dwarf Psymorchis