Common Name - -	Family : Order
Dagger orchid - -	Orchidaceae : Asparagales
Damask rose - -	Rosaceae : Rosales
Dame's rocket - -	Brassicaceae : Brassicales
Dark-brown catasetum - -	Orchidaceae : Asparagales
Dead horse arum lily - -	Araceae : Alismatales
Deptford pink - -	Caryophyllaceae : Caryophyllales
Devil's tongue - -	Araceae : Alismatales
Differently colored catasetum - -	Orchidaceae : Asparagales
Dill - -	Apiaceae : Apiales
Dog rose - -	Rosaceae : Rosales
Domestic apple - -	Rosaceae : Rosales
Dove orchid - -	Orchidaceae : Asparagales
Dow's cattleya - -	Orchidaceae : Asparagales
Dragon lily - -	Araceae : Alismatales
Drakeia knapweed - -	Asteraceae : Asterales
Drummond's rockcress - -	Brassicaceae : Brassicales
Dull ophrys - -	Orchidaceae : Asparagales
Dune wintergreen - -	Ericaceae : Ericales
Dwarf pincushion flower - -	Dipsacaceae : Dipsacales