| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| DEBU2 | Dendrium buxifolium (Berg.) Desv. | Leiophyllum buxifolium | Ericaceae
|
| DEAB | Dendroalsia abietina (Hook.) Britt. | dendroalsia moss | Leucodontaceae
|
| DENDR8 | Dendroalsia Britt. | dendroalsia moss | Leucodontaceae
|
| DEGR10 | Dendrobazzania griffithiana (Steph.) R. M. Schust. & W. B. Schofield | | Lepidoziaceae
|
| DENDR12 | Dendrobazzania R. M. Schust. & W. B. Schofield | | Lepidoziaceae
|
| DEBI7 | Dendrobium bigibbum Lindl. | | Orchidaceae
|
| DEDI14 | Dendrobium discolor Lindl. | | Orchidaceae
|
| DELI7 | Dendrobium linguiforme Sm. | | Orchidaceae
|
| DENDR13 | Dendrobium Sw. | dendrobium | Orchidaceae
|
| DEAS | Dendrocalamus asper (Schultes f.) Backer ex Heyne | giant bamboo | Poaceae
|
| DELA8 | Dendrocalamus latiflorus Munro | Sinocalamus latiflorus | Poaceae
|
| DEST4 | Dendrocalamus strictus (Roxb.) Nees | male bamboo | Poaceae
|
| DENDR7 | Dendrocalamus Nees | | Poaceae
|
| DESU6 | Dendrodochium subeffusum Ellis & Everh. | | Uncertain Lichen Family
|
| DENDR11 | Dendrodochium Bonord | dendrodochium | Uncertain Lichen Family
|
| DEAL5 | Dendrographa alectoroides Sundin & Tehler | | Roccellaceae
|
| DELE3 | Dendrographa leucophaea (Tuck.) Darbish. | | Roccellaceae
|
| DEMI2 | Dendrographa minor Darbish. | Dendrographa leucophaea | Roccellaceae
|
| DENDR10 | Dendrographa Darbish. | dendrographa | Roccellaceae
|
| DEHA3 | Dendromecon harfordii Kellogg | Harford's tree poppy | Papaveraceae
|
| DERIH | Dendromecon rigida Benth. ssp. harfordii (Kellogg) Raven | Dendromecon harfordii | Papaveraceae
|
| DERIR | Dendromecon rigida Benth. ssp. rhamnoides (Greene) Thorne | tree poppy | Papaveraceae
|
| DERIR2 | Dendromecon rigida Benth. ssp. rigida | tree poppy | Papaveraceae
|
| DERIR3 | Dendromecon rigida Benth. var. rhamnoides (Greene) Munz | Dendromecon rigida ssp. rhamnoides | Papaveraceae
|
| DERI | Dendromecon rigida Benth. | tree poppy | Papaveraceae
|
| DENDR | Dendromecon Benth. | tree poppy | Papaveraceae
|
| DEAR | Dendropanax arboreus (L.) Dcne. & Planch. ex Britt. | angelica tree | Araliaceae
|
| DELA3 | Dendropanax laurifolius (E. March.) Dcne. & Planch. ex R.C. Schneid. | palo de vaca | Araliaceae
|
| DENDR2 | Dendropanax Dcne. & Planch. | dendropanax | Araliaceae
|
| DEBI4 | Dendropemon bicolor Krug & Urban | Puerto Rico leechbush | Loranthaceae
|
| DECA9 | Dendropemon caribaeus Krug & Urban | four-angle leechbush | Loranthaceae
|
| DEPU5 | Dendropemon purpureus (L.) Krug & Urban | smooth leechbush | Loranthaceae
|
| DESI2 | Dendropemon sintenisii Krug & Urban | hicaquillo | Loranthaceae
|
| DENDR3 | Dendropemon (Blume) J.A. & J.H. Schultes | leechbush | Loranthaceae
|
| DEDO | Dendrophthora domingensis (Spreng.) Eichl. | Cuban tree destroyer | Loranthaceae
|
| DEFL2 | Dendrophthora flagelliformis (Lam.) Krug & Urban | Caribbean tree destroyer | Loranthaceae
|
| DESE4 | Dendrophthora serpyllifolia (Griseb.) Krug & Urban | | Loranthaceae
|
| DEWR2 | Dendrophthora wrightii Eichl. | Dendrophthora flagelliformis | Loranthaceae
|
| DENDR4 | Dendrophthora Eichl. | tree destroyer | Loranthaceae
|
| DEUS | Dendropogon usneoides (L.) Raf. | Tillandsia usneoides | Bromeliaceae
|
| DEAD2 | Dennstaedtia adiantoides (Humb. & Bonpl. ex Willd.) T. Moore | Dennstaedtia bipinnata | Dennstaedtiaceae
|
| DEBI3 | Dennstaedtia bipinnata (Cav.) Maxon | cuplet fern | Dennstaedtiaceae
|
| DECI3 | Dennstaedtia cicutaria (Sw.) T. Moore | tropical hayscented fern | Dennstaedtiaceae
|
| DEGL6 | Dennstaedtia globulifera (Poir.) Hieron. | southern hayscented fern | Dennstaedtiaceae
|
| DEOB3 | Dennstaedtia obtusifolia (Willd.) T. Moore | bluntleaf hayscented fern | Dennstaedtiaceae
|
| DEOR3 | Dennstaedtia ordinata (Kaulfuss) T. Moore | Dennstaedtia obtusifolia | Dennstaedtiaceae
|
| DEPU2 | Dennstaedtia punctilobula (Michx.) T. Moore | eastern hayscented fern | Dennstaedtiaceae
|
| DERU3 | Dennstaedtia rubiginosa (Kaulfuss) T. Moore | Dennstaedtia cicutaria | Dennstaedtiaceae
|
| DENNS | Dennstaedtia Bernh. | hayscented fern | Dennstaedtiaceae
|
| DEAN6 | Dentaria �anomala Eames | Cardamine anomala | Brassicaceae
|
| DECAC5 | Dentaria californica Nutt. var. cardiophylla (Greene) Detling | Cardamine californica var. cardiophylla | Brassicaceae
|
| DECAC6 | Dentaria californica Nutt. var. cuneata (Greene) Detling | Cardamine californica var. cuneata | Brassicaceae
|
| DECAI3 | Dentaria californica Nutt. var. integrifolia (Nutt.) Detling | Cardamine californica var. integrifolia | Brassicaceae
|
| DECAP2 | Dentaria californica Nutt. var. pachystigma S. Wats. | Cardamine pachystigma var. pachystigma | Brassicaceae
|
| DECAS | Dentaria californica Nutt. var. sinuata (Greene) Detling | Cardamine californica var. sinuata | Brassicaceae
|
| DECA14 | Dentaria californica Nutt. | Cardamine californica var. californica | Brassicaceae
|
| DECOC | Dentaria concatenata Michx. var. coalescens Fern. | Cardamine concatenata | Brassicaceae
|
| DECO8 | Dentaria concatenata Michx. | Cardamine concatenata | Brassicaceae
|
| DEDI6 | Dentaria diphylla Michx. | Cardamine diphylla | Brassicaceae
|
| DEDI7 | Dentaria dissecta Leavenworth | Cardamine dissecta | Brassicaceae
|
| DEFU | Dentaria furcata Small | Cardamine dissecta | Brassicaceae
|
| DEGE4 | Dentaria gemmata (Greene) T.J. Howell | Cardamine nuttallii var. gemmata | Brassicaceae
|
| DEHE3 | Dentaria heterophylla Nutt. | Cardamine angustata | Brassicaceae
|
| DEIN9 | Dentaria incisa Eames | Cardamine incisa | Brassicaceae
|
| DEIN14 | Dentaria incisa Small | Cardamine diphylla | Brassicaceae
|
| DEIN10 | Dentaria incisifolia Eames ex Britt. | Cardamine incisa | Brassicaceae
|
| DEINC | Dentaria integrifolia Nutt. var. californica (Nutt.) Jepson | Cardamine californica var. californica | Brassicaceae
|
| DEIN8 | Dentaria integrifolia Nutt. | Cardamine californica var. integrifolia | Brassicaceae
|
| DELAI | Dentaria laciniata Muhl. ex Willd. var. integra (O.E. Schulz) Fern. | Cardamine concatenata | Brassicaceae
|
| DELA5 | Dentaria laciniata Muhl. ex Willd. | Cardamine concatenata | Brassicaceae
|
| DEMA | Dentaria maxima Nutt. | Cardamine maxima | Brassicaceae
|
| DEMU3 | Dentaria multifida Muhl. ex Ell. | Cardamine dissecta | Brassicaceae
|
| DEPAC | Dentaria pachystigma (S. Wats.) S. Wats. var. corymbosa (Jepson) Abrams | Cardamine pachystigma var. pachystigma | Brassicaceae
|
| DEPAD | Dentaria pachystigma (S. Wats.) S. Wats. var. dissectifolia Detling | Cardamine pachystigma var. dissectifolia | Brassicaceae
|
| DEPA13 | Dentaria pachystigma (S. Wats.) S. Wats. | Cardamine pachystigma var. pachystigma | Brassicaceae
|
| DERU4 | Dentaria rupicola (O.E. Schulz) Rydb. | Cardamine rupicola | Brassicaceae
|
| DETEP | Dentaria tenella Pursh var. palmata Detling | Cardamine nuttallii var. covilleana | Brassicaceae
|
| DETEP2 | Dentaria tenella Pursh var. pulcherrima (Greene) Detling | Cardamine nuttallii var. nuttallii | Brassicaceae
|
| DETEQ | Dentaria tenella Pursh var. quercetorum (T.J. Howell) Detling | Cardamine nuttallii var. gemmata | Brassicaceae
|
| DETE4 | Dentaria tenella Pursh | Cardamine nuttallii var. nuttallii | Brassicaceae
|
| DEMY | Dentoceras myriophylla Small | Polygonella myriophylla | Polygonaceae
|
| DEAC4 | Deparia acrostichoides (Sw.) M. Kato | silver false spleenwort | Dryopteridaceae
|
| DEFE2 | Deparia fenzliana (Luerss.) M. Kato | Fenzl's false spleenwort | Dryopteridaceae
|
| DEJA2 | Deparia japonica auct. non (Thunb.) M. Kato | Deparia petersonii | Dryopteridaceae
|
| DEKA | Deparia kaalaana (Copeland) M. Kato | serpent fern | Dryopteridaceae
|
| DEMA6 | Deparia marginalis (Hbd.) M. Kato | marginal false spleenwort | Dryopteridaceae
|
| DEPE3 | Deparia petersonii (Kunze) M. Kato | Japanese false spleenwort | Dryopteridaceae
|
| DEPAR | Deparia Hook. & Grev. | false spleenwort | Dryopteridaceae
|
| DECA12 | Deringa canadensis (L.) Kuntze | Cryptotaenia canadensis | Apiaceae
|
| DEPY | Dermatina pyrenocarpa (Nyl.) Zahlbr. | Mycoporum compositum | Mycoporaceae
|
| DECA17 | Dermatiscum catawbense (Willey) Nyl. | Dermiscellum catawbense | Physciaceae
|
| DEAC5 | Dermatocarpon acarosporoides Zahlbr. | Catapyrenium acarosporoides | Verrucariaceae
|
| DEAQ | Dermatocarpon aquaticum (Weis) Zahlbr. | Dermatocarpon luridum | Verrucariaceae
|
| DEAR7 | Dermatocarpon arboreum (Schwein.) Fink | Catapyrenium tuckermanii | Verrucariaceae
|
| DEAR60 | Dermatocarpon arnoldianum Degel. | Arnold's silverskin lichen | Verrucariaceae
|
| DECI5 | Dermatocarpon cinereum (Pers.) Th. Fr. | Catapyrenium cinereum | Verrucariaceae
|
| DECO5 | Dermatocarpon compactum (A. Massal.) Lettau | Catapyrenium compactum | Verrucariaceae
|
| DEDA2 | Dermatocarpon daedaleum (Krempelh.) Th. Fr. | Catapyrenium daedaleum | Verrucariaceae
|
| DEFL4 | Dermatocarpon fluviatile (Weber) Th. Fr. | Dermatocarpon luridum | Verrucariaceae
|
| DEGR8 | Dermatocarpon granulosum (de Lesd.) Zahlbr. | Catapyrenium granulosum | Verrucariaceae
|
| DEHE4 | Dermatocarpon hepaticum (Ach.) Th. Fr. | Catapyrenium cinereum | Verrucariaceae
|