| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| DOVIL | Dodonaea viscosa (L.) Jacq. var. linearis (Harvey & Sonder) Sherff | Dodonaea viscosa | Sapindaceae
|
| DOVIS | Dodonaea viscosa (L.) Jacq. var. spathulata (Sm.) West | Dodonaea viscosa | Sapindaceae
|
| DOVI | Dodonaea viscosa (L.) Jacq. | Florida hopbush | Sapindaceae
|
| DODON | Dodonaea P. Mill. | dodonaea | Sapindaceae
|
| DOHU2 | Doellingeria humilis (Willd.) Britt. | Doellingeria infirma | Asteraceae
|
| DOIN2 | Doellingeria infirma (Michx.) Greene | cornel-leaf whitetop | Asteraceae
|
| DOPT | Doellingeria ptarmicoides Nees | Oligoneuron album | Asteraceae
|
| DORE2 | Doellingeria reticulata (Pursh) Greene | Oclemena reticulata | Asteraceae
|
| DOSE | Doellingeria sericocarpoides Small | southern whitetop | Asteraceae
|
| DOUMP | Doellingeria umbellata (P. Mill.) Nees ssp. pubens (Gray) A.& D. L�ve | Doellingeria umbellata var. pubens | Asteraceae
|
| DOUML | Doellingeria umbellata (P. Mill.) Nees var. latifolia (Gray) House | Doellingeria sericocarpoides | Asteraceae
|
| DOUMP2 | Doellingeria umbellata (P. Mill.) Nees var. pubens (Gray) Britt. | parasol whitetop | Asteraceae
|
| DOUMU | Doellingeria umbellata (P. Mill.) Nees var. umbellata | parasol whitetop | Asteraceae
|
| DOUM2 | Doellingeria umbellata (P. Mill.) Nees | parasol whitetop | Asteraceae
|
| DOELL2 | Doellingeria Nees | whitetop | Asteraceae
|
| DOSP3 | Dolichandrone spathacea (L.F.) K. Schum. | | Bignoniaceae
|
| DOLIC3 | Dolichandrone (Frenzl) Seem. | | Bignoniaceae
|
| DOER2 | Dolicholus erectus (Walt.) Vail | Rhynchosia tomentosa var. tomentosa | Fabaceae
|
| DOLA4 | Dolicholus latifolius (Nutt. ex Torr. & Gray) Vail | Rhynchosia latifolia | Fabaceae
|
| DOMI5 | Dolicholus michauxii (Vail) Vail | Rhynchosia michauxii | Fabaceae
|
| DOMI3 | Dolicholus minimus (L.) Medik. | Rhynchosia minima | Fabaceae
|
| DOPY | Dolicholus pyramidalis auct. non (Lam.) Britt. & Wilson | Rhynchosia phaseoloides | Fabaceae
|
| DORE3 | Dolicholus reticulatus (Sw.) Millsp. | Rhynchosia reticulata | Fabaceae
|
| DOSI | Dolicholus simplicifolius (Walt.) Vail | Rhynchosia reniformis | Fabaceae
|
| DOSW | Dolicholus swartzii Vail | Rhynchosia swartzii | Fabaceae
|
| DOTO | Dolicholus tomentosus (L.) Vail | Rhynchosia difformis | Fabaceae
|
| DOAN | Dolichos angularis Willd. | Vigna angularis | Fabaceae
|
| DOBI3 | Dolichos biflorus L. | Vigna unguiculata ssp. cylindrica | Fabaceae
|
| DOBI4 | Dolichos biflorus of authors | Macrotyloma uniflorum | Fabaceae
|
| DOHO | Dolichos hosei Craib | Vigna hosei | Fabaceae
|
| DOLA3 | Dolichos lablab L. | Lablab purpureus | Fabaceae
|
| DOLI2 | Dolichos lignosus L. | Dipogon lignosus | Fabaceae
|
| DOLO2 | Dolichos lobatus Willd. | Pueraria montana var. lobata | Fabaceae
|
| DOMI2 | Dolichos minimus L. | Rhynchosia minima | Fabaceae
|
| DOSO | Dolichos soja L. | Glycine max | Fabaceae
|
| DOST2 | Dolichos stenocarpus Hochst. ex A. Rich. | Sphenostylis stenocarpa | Fabaceae
|
| DOUN2 | Dolichos uniflorus Lam. | Macrotyloma uniflorum | Fabaceae
|
| DOSP2 | Dolichothele sphaerica (A. Dietr.) Britt. & Rose | Mammillaria sphaerica | Cactaceae
|
| DOBR2 | Doliocarpus brevipedicellatus Garcke | Doliocarpus major | Dilleniaceae
|
| DOCA | Doliocarpus calinoides (Eichl.) Gilg | Pinzona coriacea | Dilleniaceae
|
| DOMA | Doliocarpus major J.F. Gmel. | caskfruit | Dilleniaceae
|
| DOOL | Doliocarpus olivaceus Sprague & Williams ex Standl. | green caskfruit | Dilleniaceae
|
| DOLIO | Doliocarpus Roland. | caskfruit | Dilleniaceae
|
| DOHA2 | Domingoa haematochila (Reichenb. f.) Carabia | mona | Orchidaceae
|
| DOHY | Domingoa hymenodes (Reichenb. f.) Schlechter | Domingoa haematochila | Orchidaceae
|
| DOMIN | Domingoa Schlechter | domingoa | Orchidaceae
|
| DOCA5 | Donax canniformis (Forst. f.) K. Schum. | | Marantaceae
|
| DONAX | Donax Lour. | | Marantaceae
|
| DOCO4 | Dondia conferta Small | Suaeda conferta | Chenopodiaceae
|
| DODE5 | Dondia depressa auct. non (Pursh) Britt. | Suaeda calceoliformis | Chenopodiaceae
|
| DOFR3 | Dondia fruticosa auct. non (Forsk.) Northrup | Suaeda moquinii | Chenopodiaceae
|
| DOLI | Dondia linearis (Ell.) Heller | Suaeda linearis | Chenopodiaceae
|
| DOMA2 | Dondia maritima (L.) Druce | Suaeda maritima ssp. maritima | Chenopodiaceae
|
| DOCO5 | Donnellia commutata (C. M�ll.) Buck | donnellia moss | Sematophyllaceae
|
| DOFL | Donnellia floridana Aust. | Donnellia commutata | Sematophyllaceae
|
| DONNE | Donnellia Aust. | donnellia moss | Sematophyllaceae
|
| DOMA3 | Donrichardsia macroneuron (Grout) Crum & Anderson | donrichard moss | Amblystegiaceae
|
| DONRI | Donrichardsia Crum & Anderson | donrichard moss | Amblystegiaceae
|
| DOKU | Doodia kunthiana Gaud. | Kunth's hacksaw fern | Blechnaceae
|
| DOLY | Doodia lyonii O. Deg. | Lyon's hacksaw fern | Blechnaceae
|
| DOODI | Doodia R. Br. | hacksaw fern | Blechnaceae
|
| DOJU | Dopatrium junceum (Roxb.) Buch.-Ham. ex Benth. | horsefly's eye | Scrophulariaceae
|
| DOPAT | Dopatrium Buch.-Ham. ex Benth. | dopatrium | Scrophulariaceae
|
| DOAM2 | Dorema ammoniacum D. Don | ammoniakum | Apiaceae
|
| DOREM | Dorema D. Don | dorema | Apiaceae
|
| DOAC | Doronicum acaule Walt. | Arnica acaulis | Asteraceae
|
| DOPA2 | Doronicum pardalianches L. | great false leopardbane | Asteraceae
|
| DOPL | Doronicum plantagineum L. | | Asteraceae
|
| DORON | Doronicum L. | false leopardbane | Asteraceae
|
| DOCO3 | Dorstenia contrajerva L. | tusilla | Moraceae
|
| DORST | Dorstenia L. | dorstenia | Moraceae
|
| DODE4 | Doryopteris decipiens (Hook.) J. Sm. | Cheilanthes decipiens | Pteridaceae
|
| DODED | Doryopteris decora Brack. var. decipiens (Hook.) R. Tryon | Cheilanthes decipiens | Pteridaceae
|
| DODE2 | Doryopteris decora Brack. | Cheilanthes decora | Pteridaceae
|
| DOPE | Doryopteris pedata (L.) F�e | digit fern | Pteridaceae
|
| DORYO | Doryopteris J. Sm. | doryopteris | Pteridaceae
|
| DOAL2 | Douglasia alaskana (Coville & Standl. ex Hult�n) S. Kelso | Alaskan douglasia | Primulaceae
|
| DOARG | Douglasia arctica Hook. var. gormanii (Constance) Boivin | Douglasia gormanii | Primulaceae
|
| DOAR | Douglasia arctica Hook. | Mackenzie River dwarf-primrose | Primulaceae
|
| DOBE2 | Douglasia beringensis S. Kelso | Bering dwarf-primrose | Primulaceae
|
| DOBI2 | Douglasia biflora A. Nels. | Douglasia montana | Primulaceae
|
| DODE3 | Douglasia dentata S. Wats. | Douglasia nivalis var. dentata | Primulaceae
|
| DOGO | Douglasia gormanii Constance | Gorman's dwarf-primrose | Primulaceae
|
| DOID | Douglasia idahoensis D. Henderson | Idaho dwarf-primrose | Primulaceae
|
| DOLAC2 | Douglasia laevigata Gray ssp. ciliolata (Constance) Calder & Taylor | Douglasia laevigata var. ciliolata | Primulaceae
|
| DOLAC | Douglasia laevigata Gray var. ciliolata Constance | cliff dwarf-primrose | Primulaceae
|
| DOLAL | Douglasia laevigata Gray var. laevigata | cliff dwarf-primrose | Primulaceae
|
| DOLA | Douglasia laevigata Gray | cliff dwarf-primrose | Primulaceae
|
| DOMOB | Douglasia montana Gray var. biflora (A. Nels.) R. Knuth | Douglasia montana | Primulaceae
|
| DOMO | Douglasia montana Gray | Rocky Mountain dwarf-primrose | Primulaceae
|
| DONID | Douglasia nivalis Lindl. var. dentata (S. Wats.) Gray | snow dwarf-primrose | Primulaceae
|
| DONIN | Douglasia nivalis Lindl. var. nivalis | snow dwarf-primrose | Primulaceae
|
| DONI | Douglasia nivalis Lindl. | snow dwarf-primrose | Primulaceae
|
| DOOCA | Douglasia ochotensis (Willd. ex Roemer & J.A. Schultes) Hult�n ssp. arctica (Hook.) A.& D. L�ve | Douglasia arctica | Primulaceae
|
| DOOCG | Douglasia ochotensis (Willd. ex Roemer & J.A. Schultes) Hult�n ssp. gormanii (Constance) A.& D. L�ve | Douglasia gormanii | Primulaceae
|
| DOOC | Douglasia ochotensis (Willd. ex Roemer & J.A. Schultes) Hult�n | Alaska dwarf-primrose | Primulaceae
|
| DOUGL | Douglasia Lindl. | dwarf-primrose | Primulaceae
|
| DOOV | Douinia ovata (Dicks.) H. Buch | | Scapaniaceae
|
| DOUIN | Douinia (C. N. Jensen) H. Buch | | Scapaniaceae
|
| DOAB | Dovyalis abyssinica (A. Rich.) Warb. | koshum | Flacourtiaceae
|
| DOCA3 | Dovyalis caffra (Hook. f. & Harv.) Warb. | kei apple | Flacourtiaceae
|