| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| DAIN7 | Datura inermis Jacq. | smoooth thorn-apple | Solanaceae
|
| DAIN5 | Datura innoxia Miller | angel's trumpet | Solanaceae
|
| DAINQ | Datura inoxia P. Mill. ssp. quinquecuspida (Torr.) Barcl. | Datura wrightii | Solanaceae
|
| DAIN2 | Datura inoxia P. Mill. | pricklyburr | Solanaceae
|
| DAKY | Datura kymatocarpa Barclay | datura | Solanaceae
|
| DALE5 | Datura leichhardtii F. Muell. ex Benth. | Leichhardt's datura | Solanaceae
|
| DAMEQ | Datura metel L. var. quinquecuspida Torr. | Datura wrightii | Solanaceae
|
| DAME | Datura metel auct. non L. | Datura inoxia | Solanaceae
|
| DAME2 | Datura meteloides auct. p.p. non Dunal | Datura inoxia | Solanaceae
|
| DAME2 | Datura meteloides auct. p.p. non Dunal | Datura wrightii | Solanaceae
|
| DAPR2 | Datura pruinosa Greenman | datura | Solanaceae
|
| DAQU | Datura quercifolia Kunth | Chinese thorn-apple | Solanaceae
|
| DARE4 | Datura reburra Barclay | datura | Solanaceae
|
| DASA3 | Datura sanguinea Ruiz & Pavon | Brugmansia sanguinea | Solanaceae
|
| DASTT | Datura stramonium L. var. tatula (L.) Torr. | Datura stramonium | Solanaceae
|
| DAST | Datura stramonium L. | jimsonweed | Solanaceae
|
| DASU | Datura suaveolens Humb. & Bonpl. ex Willd. | Brugmansia suaveolens | Solanaceae
|
| DATA | Datura tatula L. | Datura stramonium | Solanaceae
|
| DAWR2 | Datura wrightii Regel | sacred thorn-apple | Solanaceae
|
| DATUR | Datura L. | jimsonweed | Solanaceae
|
| DADR2 | Daubentonia drummondii Rydb. | Sesbania drummondii | Fabaceae
|
| DAPU8 | Daubentonia punicea (Cav.) DC. | Sesbania punicea | Fabaceae
|
| DALA5 | Daucosma laciniata Engelm. & Gray | meadow parasol | Apiaceae
|
| DAUCO | Daucosma Engelm. & Gray ex Gray | daucosma | Apiaceae
|
| DACAC4 | Daucus carota L. ssp. carota | wild carrot | Apiaceae
|
| DACAS | Daucus carota L. ssp. sativus (Hoffm.) Arcang. | carrot | Apiaceae
|
| DACA6 | Daucus carota L. | Queen Anne's lace | Apiaceae
|
| DAPU3 | Daucus pusillus Michx. | American wild carrot | Apiaceae
|
| DAUCU | Daucus L. | wild carrot | Apiaceae
|
| DACO3 | Davyella colusana (Burtt-Davy) Hack. | Neostapfia colusana | Poaceae
|
| DEBA7 | Decachaena baccata (Wangenh.) Small | Gaylussacia baccata | Ericaceae
|
| DEFR | Decachaena frondosa (L.) Torr. & Gray | Gaylussacia frondosa | Ericaceae
|
| DENA | Decachaena nana (Gray) Small | Gaylussacia nana | Ericaceae
|
| DEUR | Decachaena ursina (M.A. Curtis) Small | Gaylussacia ursina | Ericaceae
|
| DEAP2 | Decemium appendiculatum (Michx.) Small | Hydrophyllum appendiculatum | Hydrophyllaceae
|
| DEVEL | Decodon verticillatus (L.) Ell. var. laevigatus Torr. & Gray | Decodon verticillatus | Lythraceae
|
| DEVE | Decodon verticillatus (L.) Ell. | swamp loosestrife | Lythraceae
|
| DECOD | Decodon J.F. Gmel. | decodon | Lythraceae
|
| DEBA4 | Decumaria barbara L. | woodvamp | Hydrangeaceae
|
| DECUM | Decumaria L. | decumaria | Hydrangeaceae
|
| DEEU | Dedeckera eurekensis Reveal & J.T. Howell | July gold | Polygonaceae
|
| DEDEC | Dedeckera Reveal & J.T. Howell | July gold | Polygonaceae
|
| DEPU6 | Deeringothamnus pulchellus Small | royal false pawpaw | Annonaceae
|
| DERU | Deeringothamnus rugelii (B.L. Robins.) Small | Rugel's false pawpaw | Annonaceae
|
| DEERI | Deeringothamnus Small | false pawpaw | Annonaceae
|
| DEPL | Degelia plumbea (Lightf.) P. M. Jorg. & P. James | | Pannariaceae
|
| DEGEL | Degelia Arv. & D. J. Galloway | degelia | Pannariaceae
|
| DECO12 | Deiregyne confusa Garay | Spiranthes confusa | Orchidaceae
|
| DEDU | Deiregyne durangensis (Ames & C. Schweinf.) Garay | Spiranthes confusa | Orchidaceae
|
| DEOD | Delairea odorata Lem. | capeivy | Asteraceae
|
| DELAI2 | Delairea Lem. | capeivy | Asteraceae
|
| DEAR3 | Delissea argutidentata F. Wimmer | Delissea undulata ssp. undulata | Campanulaceae
|
| DEEL5 | Delissea eleeleensis St. John | Cyanea eleeleensis | Campanulaceae
|
| DEFA | Delissea fallax Hbd. | Hawai'i delissea | Campanulaceae
|
| DEFI2 | Delissea filigera Wawra | Clermontia grandiflora ssp. grandiflora | Campanulaceae
|
| DEGRL | Delissea grimesiana (Gaud.) St. John var. lydgatei (Rock) St. John | Cyanea mauiensis | Campanulaceae
|
| DEHA6 | Delissea habenata St. John | Cyanea habenata | Campanulaceae
|
| DEKO2 | Delissea kolekoleensis St. John | Cyanea kolekoleensis | Campanulaceae
|
| DEKO | Delissea konaensis St. John | Delissea undulata ssp. undulata | Campanulaceae
|
| DELAP | Delissea laciniata Hbd. var. parviflora Rock | Delissea lauliiana | Campanulaceae
|
| DELA4 | Delissea laciniata Hbd. | cutleaf delissea | Campanulaceae
|
| DELA11 | Delissea lanaiensis (Rock) Lammers | Lanai delissea | Campanulaceae
|
| DELA6 | Delissea lauliiana Lammers | small-leaf delissea | Campanulaceae
|
| DENI | Delissea niihauensis St. John | Delissea undulata ssp. niihauensis | Campanulaceae
|
| DEPA9 | Delissea parviflora Hbd. | smallflower delissea | Campanulaceae
|
| DERH2 | Delissea rhytidosperma Mann | Kauai delissea | Campanulaceae
|
| DERI4 | Delissea rivularis (Rock) F. Wimmer | plateau delissea | Campanulaceae
|
| DESIL2 | Delissea sinuata Hbd. ssp. lanaiensis (Rock) Lammers | Delissea lanaiensis | Campanulaceae
|
| DESIL | Delissea sinuata Hbd. var. lanaiensis Rock | Delissea lanaiensis | Campanulaceae
|
| DESI3 | Delissea sinuata Hbd. | Waianae Range delissea | Campanulaceae
|
| DESUK | Delissea subcordata Gaud. var. kauaiensis St. John | Delissea subcordata | Campanulaceae
|
| DESUO | Delissea subcordata Gaud. var. obtusifolia Wawra | Delissea subcordata | Campanulaceae
|
| DESUW | Delissea subcordata Gaud. var. waikaneensis St. John | Delissea subcordata | Campanulaceae
|
| DESUW2 | Delissea subcordata Gaud. var. waralaeensis St. John | Delissea subcordata | Campanulaceae
|
| DESU | Delissea subcordata Gaud. | Koolau Range delissea | Campanulaceae
|
| DEUNK | Delissea undulata Gaud. ssp. kauaiensis Lammers | leechleaf delissea | Campanulaceae
|
| DEUNN | Delissea undulata Gaud. ssp. niihauensis (St. John) Lammers | Niihau delissea | Campanulaceae
|
| DEUNU | Delissea undulata Gaud. ssp. undulata | leechleaf delissea | Campanulaceae
|
| DEUNA | Delissea undulata Gaud. var. argutidentata (F. Wimmer) F. Wimmer | Delissea undulata ssp. undulata | Campanulaceae
|
| DEUN2 | Delissea undulata Gaud. | leechleaf delissea | Campanulaceae
|
| DELIS | Delissea Gaud. | delissea | Campanulaceae
|
| DERE | Delonix regia (Bojer ex Hook.) Raf. | royal poinciana | Fabaceae
|
| DELON | Delonix Raf. | delonix | Fabaceae
|
| DEAR5 | Delopyrum articulatum (L.) Small | Polygonella articulata | Polygonaceae
|
| DEBA6 | Delopyrum basiramium Small | Polygonella basiramia | Polygonaceae
|
| DECI4 | Delopyrum ciliatum (Meisn.) Small | Polygonella ciliata | Polygonaceae
|
| DEFI | Delopyrum filiforme Small | Polygonella gracilis | Polygonaceae
|
| DEGR6 | Delopyrum gracile (Nutt.) Small | Polygonella gracilis | Polygonaceae
|
| DELI4 | Delosperma litorale (Kensit) L. Bolus | seaside delosperma | Aizoaceae
|
| DELOS | Delosperma N.E. Br. | delosperma | Aizoaceae
|
| DEAJ | Delphinium ajacis L. | Consolida ajacis | Ranunculaceae
|
| DEAL2 | Delphinium alabamicum Kral | Alabama larkspur | Ranunculaceae
|
| DEAL4 | Delphinium albescens Rydb. | Delphinium carolinianum ssp. virescens | Ranunculaceae
|
| DEAL | Delphinium alpestre Rydb. | Colorado larkspur | Ranunculaceae
|
| DEAMA | Delphinium amabile Tidestrom ssp. apachense (Eastw.) Ewan | Delphinium parishii ssp. parishii | Ranunculaceae
|
| DEAMC | Delphinium amabile Tidestrom ssp. clarianum Ewan | Delphinium parishii ssp. parishii | Ranunculaceae
|
| DEAMP | Delphinium amabile Tidestrom ssp. pallidum (Munz) Ewan | Delphinium parishii ssp. pallidum | Ranunculaceae
|
| DEAM | Delphinium amabile Tidestrom | Delphinium parishii ssp. parishii | Ranunculaceae
|
| DEAM2 | Delphinium ambiguum L. | Consolida ajacis | Ranunculaceae
|
| DEAM3 | Delphinium amplibracteatum Woot. | Delphinium geraniifolium | Ranunculaceae
|
| DEANC | Delphinium andersonii Gray ssp. cognatum (Greene) Ewan | Delphinium andersonii | Ranunculaceae
|