Dictamnus albus Dictamnus albus 'Albiflorus'
Dictamnus albus 'Purpureus' Didelta carnosa
Dieffenbachia 'Tropic Marianne' Dieffenbachia amoena
Dieffenbachia maculata 'Camilla' Dieffenbachia maculata 'Rudolph Roehrs'
Dieffenbachia maculata 'Tropic Snow' Dierama pulcherrimum
Dietes bicolor Dietes grandiflora
Dietes iridioides Dietes robinsoniana
Digitalis ferruginea 'Yellow Herald' Digitalis grandiflora
Digitalis lutea Digitalis x mertonensis
Digitalis obscura Digitalis purpurea
Digitalis purpurea 'Excelsior Hybrids' Digitalis purpurea 'Foxy'
Digitalis purpurea 'Giant Shirley' Digitalis purpurea 'Pam's Choice'
Dimerocostus tessmannii Dionaea muscipula
Dioscorea macrostachys Diplazium dilatatum
Disa tripetaloides Disa uniflora
Disporopsis pernyi 'Bill Baker Form' Disporum cantoniense 'Night Heron'
Disporum flavens Disporum pullum 'Variegated'
Disporum sessile 'Variegatum' Distictis buccinatoria
Distylium x 'PIIDIST-III (Coppertone™)' Dodecatheon hendersonii
Dodecatheon jefferyi Dodecatheon meadia
X Doritaenopsis X Doritaenopsis 'Fuller's Sunset'
X Doritaenopsis 'Kings Valentino' Doronicum orientale
Doronicum orientale 'Little Leo' Doronicum pardalianches 'Gold Bunch'
Doryanthes palmeri Draba imbricata var. bryoides
Draba rigida var. bryoides Dracophilus proximus
Drosanthemum hispidum Drosanthemum speciosum
Drosera Drosera adelae
Drosera capensis Dryopteris affinis
Dryopteris affinis 'Crispa' Dryopteris affinis 'Cristata'
Dryopteris atrata Dryopteris bushiana
Dryopteris campyloptera Dryopteris carthusiana
Dryopteris celsa Dryopteris crassirhizoma
Dryopteris cycadina Dryopteris dilatata
Dryopteris erythrosora Dryopteris filix-mas
Dryopteris filix-mas 'Crispa' Dryopteris goldiana
Dryopteris intermedia Dryopteris lacera
Dryopteris ludoviciana Dryopteris marginalis
Dryopteris normalis Dryopteris pedata
Dryopteris uniformis 'Mina' Dryopteris wallichiana
Dudleya albiflora Dudleya brittonii
Dudleya campanulata Dudleya farinosa
Dudleya formosa Dudleya greenei
Dudleya hassei Dudleya spp.
Dudleya traskiae Dudleya virens
Dulichium arundinaceum Dyckia dawsonii
Dyckia remotiflora Dyckia spp.
Dymondia margaretae Ecballium elaterium
Eccremocarpus scaber