Dendrobium lambii 
Dendrobium nobile 
Dendrobium obtusum 
Dendrobium paxtonii 
Dendrobium riparium 
Dendrobium sabahense 
Dendrobium serena-alexianum 
Dendrobium spectabile 
Dendrobium uniflorum 
Dendrochilum cinnabarinum 
Dendrochilum imbricatum 
Dense-flowered Orchid 
Denseflower rein orchid 
Denseflower Rein Orchid 
Desert agave 
Dichaea ecuadorensis 
Dichaea panamensis 
Dichelostemma capitatum 
Dichelostemma multiflorum 
Dichelostemma volubile 
Dimorphorchis lowii 
Diodonopsis hoeijeri 
Dipcadi montanum 
Dipcadi serotinum