Last updated October 1, 2009
| Name | Family | Nativity |
| Dacrycarpus dacrydioides | Podocarpaceae | New Zealand |
| Dacrydium cupressinum | Podocarpaceae | New Zealand |
| Daemonorops didymophylla | Arecaceae | Indonesia |
| Dalechampia dioscoreifolia | Euphorbiaceae | Peru |
| Darwinia taxifolia | Myrtaceae | Australia |
| Dasylirion acrotrichum | Agavaceae | Mexico |
| Dasylirion berlandieri | Agavaceae | NE Mexico |
| Dasylirion longissimum | Agavaceae | Mexico |
| Dasylirion serratifolium | Agavaceae | Mexico(Oaxaca) |
| Dasylirion wheeleri | Agavaceae | W United States |
| Datura metel cv. Double Blackcurrant Swirl | Solanaceae | |
| Davallia canariensis | Davalliaceae | Canary Islands |
| Davallia embolstegia | Davalliaceae | Philippines, Borneo |
| Davallia tyermanii | Davalliaceae | China |
| Davallodes hirsutum | Davalliaceae | Malaysia |
| Delphinium elatum hybrids | Ranunculaceae | |
| Dendrocalamus giganteus | Poaceae | SE Asia |
| Dendrocalamus latiflorus cv. Mei Nung | Poaceae | |
| Dendrocalamus sp. | Poaceae | |
| Dendrocalamus strictus | Poaceae | India |
| Dendrocereus nudiflorus | Cactaceae | Cuba |
| Denmoza erythrocephala | Cactaceae | Argentina |
| Dennstaedtia davallioides | Polypodiaceae | Australia |
| Deuterocohnia brevifolia | Bromeliaceae | Argentina, Bolivia |
| Deuterocohnia brevifolia | Bromeliaceae | Bolivia |
| Deuterocohnia lorentziana | Bromeliaceae | Argentina |
| Dianella cv. Sea Breeze | Phormiaceae | |
| Dianella tasmanica | Phormiaceae | Australia |
| Dianella tasmanica cv. Variegata | Phormiaceae | |
| Dichondra argentea | Convulvaceae | Southern US and Mexico |
| Dicksonia antarctica | Dicksoniaceae | Australia |
| Dicksonia sellowiana | Dicksoniaceae | American Tropics |
| Dicksonia squarrosa | Dicksoniaceae | New Zealand |
| Didierea madagascariensis | Didiereaceae | Madagascar |
| Didymochlaena truncatula | Dryopteridaceae | Tropics |
| Didymochlaena truncatula | Polypodiaceae | Tropics |
| Digitalis purpurea | Scrophulariaceae | Europe, Mediterranean |
| Dioon angustifolium | Zamiaceae | Mexico |
| Dioon argenteum | Zamiaceae | Mexico |
| Dioon califanoi | Zamiaceae | |
| Dioon califanoi | Zamiaceae | Mexico |
| Dioon califanoi | Zamiaceae | Mexico(Oaxaca, Puebla) |
| Dioon caputoi | Zamiaceae | Mexico(Puebla) |
| Dioon edule | Zamiaceae | Mexico |
| Dioon edule “Queretaro” | Zamiaceae | Mexico |
| Dioon edule “Duner” | Zamiaceae | Mexico |
| Dioon holmgrenii | Zamiaceae | Mexico |
| Dioon mejiae | Zamiaceae | Honduras, Nicauragua |
| Dioon merolae | Zamiaceae | Mexico |
| Dioon merolae | Zamiaceae | Mexico(Oaxaca, Chiapas) |
| Dioon mixtecensis | Zamiaceae | Mexico |
| Dioon oaxacensis | Zamiaceae | Mexico |
| Dioon purpusii | Zamiaceae | Mexico(Oaxaca) |
| Dioon rzedowskii | Zamiaceae | Mexico(Oaxaca) |
| Dioon sonorense | Zamiaceae | Mexico |
| Dioon sp. | Zamiaceae | |
| Dioon sp. nov. “El Camaron” | Zamiaceae | Mexico |
| Dioon sp. nov. “Juchatengo” | Zamiaceae | Mexico |
| Dioon spinulosum | Zamiaceae | Mexico, Cen America |
| Dioon stevensonii | Zamiaceae | Mexico |
| Dioon tomasellii | Zamiaceae | Mexico |
| Dioscorea elephantipes | Dioscoreaceae | South Africa |
| Diospyros kaki cv. Chocolate | Ebenaceae | |
| Diospyros kaki cv. Fuyu | Ebenaceae | |
| Diospyros kaki cv. Hachiya | Ebenaceae | |
| Diplazium australe | Dryopteridaceae | Australia & NZ |
| Diplazium dilatatum | Dryopteridaceae | Asia, Aus., Malaysia, New Guin |
| Diplazium esculentum | Polypodiaceae | Asia, Polynesia |
| Diplazium hachijoensis | Dryopteridaceae | |
| Diplazium maximum | Dryopteridaceae | Asia |
| Diplazium pycnocarpon | Dryopteridaceae | eastern N. America |
| Disocactus ackermannii | Cactaceae | Mexico |
| Disocactus cv. Space Rocket | Cactaceae | |
| Disocactus macranthus | Cactaceae | Mexico |
| Disocactus martianus | Cactaceae | Mexico(Oaxaca) |
| Distictis cv. Rivers | Bignoniaceae | |
| Dodonaea viscosa | Sapindaceae | Worldwide |
| Dombeya autumnalis | Sterculiaceae | South Africa |
| Dombeya burgessiae | Sterculiaceae | Kenya to South Africa |
| Dombeya tiliacea | Sterculiaceae | South Africa |
| Doodia media | Polypodiaceae | Australia, New Zealand |
| Dorstenia foetida | Moraceae | Arabia |
| Dorstenia gigas | Moraceae | Yemen(Socotra) |
| Doryanthes palmeri | Doryanthaceae | Australia |
| Doryanthes palmeri | Doryanthaceae | SE Australia |
| Dracaena cinnabari | Dracaenaceae | Yemen |
| Dracaena draco | Dracaenaceae | Spain(Canary Islands) |
| Dracaena serrulata | Dracaenaceae | Yemen |
| Dryopteris affinis | Dryopteridaceae | Europe and Africa |
| Dryopteris crassirhizoma | Dryopteridaceae | Japan, Korea |
| Dryopteris dilatata | Polypodiaceae | |
| Dryopteris erythrosora | Dryopteridaceae | east Asia |
| Dryopteris filix-mas cv. Linearis Congesta | Dryopteridaceae | |
| Dryopteris munchii | Dryopteridaceae | |
| Dryopteris uniformis cv. cristata | Dryopteridaceae | Japan, Korea and China |
| Dudleya brittonii | Crassulaceae | Baja California & Mexico |
| Dudleya caespitosa | Crassulaceae | Coastal California |
| Dudleya pulverulenta | Crassulaceae | |
| Dudleya pulverulenta | Crassulaceae | California, Arizona |
| Dudleya pulverulenta | Crassulaceae | USA |
| Duranta stenostachya | Verbenaceae | Tropical America |
| Dyckia brevifolia | Bromeliaceae | Argentina, Bolivia |
| Dyckia choristaminea x dawsonii cv. Maryori | Bromeliaceae | |
| Dyckia cv. Brittle Star | Bromeliaceae | |
| Dyckia cv. Lad Cutak | Bromeliaceae | |
| Dyckia cv. Montana | Bromeliaceae | |
| Dyckia dawsonii x choristaminea | Bromeliaceae | |
| Dyckia dawsonii x velascana | Bromeliaceae | |
| Dyckia encholirioides | Bromeliaceae | Brazil |
| Dyckia estevesii | Bromeliaceae | Brazil |
| Dyckia floribunda | Bromeliaceae | Argentina |
| Dyckia fosteriana | Bromeliaceae | Brazil |
| Dyckia leptostachya | Bromeliaceae | South America |
| Dyckia platyphylla | Bromeliaceae | |
| Dyckia platyphylla | Bromeliaceae | Brazil |
| Dyckia rariflora | Bromeliaceae | Argentina, Brazil, Uruguay |
| Dyckia remotiflora v. montividensis | Bromeliaceae | Argentina |
| Dyckia sp. | Bromeliaceae | |
| Dypsis decaryi | Arecaceae | Madagascar |
