Dacelo novaguineae (order Coraciiformes)

Dacentrurus armatus (order Ornithischia)

Dacrycarpus cinctus (order Pinales)

Dacrycarpus imbricatus (order Pinales)

Dactylis glomerata (order Poales)

Dactylis hispanica (synonymous, order Poales)

Dactylis juncinella (synonymous, order Poales)

Dactylopterus volitans (order Syngnathiformes)

Dactylorhiza maculata (order Asparagales)

Dactylospora rimulicola (order Asparagales)

Dalbergia maritima (order Fabales)

Dalbergia orientalis (order Fabales)

Danae racemosa (order Asparagales)

Danaus chrysippus (order Lepidoptera)

Danaus plexippus (order Lepidoptera)

Danio rerio (order Cypriniformes)

Danuria thunbergi (order Mantodea)

Daphne gnidium (order Malvales)

Daphne laureola (order Malvales)

Daphne mezereum (order Malvales)

Daphniphyllum macropodum (order Saxifragales)

Darlingtonia californica (order Ericales)

Darniella melitensis (synonymous, order Caryophyllales)

Dascyllus melanurus (order Perciformes)

Dasineura brassicae (order Diptera)

Dasineura pteridis (order Diptera)

Dasylirion berlandieri (order Asparagales)

Dasylirion longissimum (order Asparagales)

Datisca cannabina (order Cucurbitales)

Datura stramonium (order Solanales)

Davallia mariesii (order Polypodiales)

Decatropis bicolor (order Sapindales)

Degelia plumbea (order Peltigerales)

Deilephila elpenor (order Lepidoptera)

Delichon urbica (synonymous, order Passeriformes)

Delichon urbicum (order Passeriformes)

Delosperma bosseranum (order Caryophyllales)

Delosperma cooperi (order Caryophyllales)

Delosperma echinatum (order Caryophyllales)

Delosperma nubigenum (order Caryophyllales)

Delphinium balansae (order Ranunculales)

Delphinium peregrinum (order Ranunculales)

Dendriscocaulon amhausense (synonymous, order Peltigerales)

Dendrobium atroviolaceum (order Asparagales)

Dendrobium calceolaria (synonymous, order Asparagales)

Dendrobium chrysotoxum (order Asparagales)

Dendrobium cupreum (synonymous, order Asparagales)

Dendrobium moschatum (order Asparagales)

Dendrobium pulchellum (synonymous, order Asparagales)

Dendrobium speciosum (synonymous, order Asparagales)

Dendrocalamus giganteus (order Poales)

Dendrochilum glumaceum (synonymous, order Asparagales)

Dendrochilum wenzelii (order Asparagales)

Dendrocopos medius (synonymous, order Piciformes)

Dendrosenecio johnstonii (order Asterales)

Dendrosenecio kilimanjari (order Asterales)

Dendrosenecio meruensis (order Asterales)

Dennisiella babingtonii (order Chaetothyriales)

Dermatocarpon miniatum (order Verrucariales)

Deropeltis erythrocephala (order Blattodea)

Deschampsia antarctica (order Poales)

Deschampsia flexuosa (order Poales)

Deschampsia stricta (synonymous, order Poales)

Descurainia bourgaeana (order Brassicales)

Desmarestia aculeata (order Desmarestiales)

Desmazeria rigida (order Poales)

Deuterocohnia brevifolia (order Poales)

Diachromus germanus (order Coleoptera)

Diachrysia chrysitis (order Lepidoptera)

Dialonectria episphaeria (order Hypocreales)

Dianthus broteri (order Caryophyllales)

Dianthus carthusianorum (order Caryophyllales)

Dianthus legionensis (order Caryophyllales)

Dianthus lusitanus (order Caryophyllales)

Dianthus noeanus (synonymous, order Caryophyllales)

Dianthus petraeus (order Caryophyllales)

Dianthus pungens (order Caryophyllales)

Dianthus sylvestris (order Caryophyllales)

Diatrype disciformis (order Xylariales)

Diatrype flavovirens (synonymous, order Xylariales)

Diatrype stigma (order Xylariales)

Dichanthium ischaemum (order Poales)

Dichonia aprilina (order Lepidoptera)

Dicksonia antarctica (order Cyatheales)

Dicksonia fibrosa (order Cyatheales)

Dicksonia sellowiana (order Cyatheales)

Dicksonia squarrosa (order Cyatheales)

Dicladispa testacea (order Coleoptera)

Dicoryphe stipulacea (order Saxifragales)

Dicranella howei (synonymous, order Dicranales)

Dicranella varia (order Dicranales)

Dicranopteris linearis (order Gleicheniales)

Dicranum scoparium (order Dicranales)

Dicranurus monstruosus (order Lichida)

Dictymia brownii (order Polypodiales)

Dictyochloropsis reticulata (synonymous, order Microthamniales)

Dictyota caribaea (order Dictyotales)

Dictyota dichotoma (order Dictyotales)

Dicyrtomina saundersi (order Symphypleona)

Didymeles integrifolia (order Buxales)

Didymella fabae (order Pleosporales)

Didymella fruticosa (order Pleosporales)

Didymodon acutus (order Pottiales)

Didymodon luridus (order Pottiales)

Didymodon rigidulus (synonymous, order Pottiales)

Didymodon sicculus (order Pottiales)

Didymodon tophaceus (order Pottiales)

Didymodon umbrosus (order Pottiales)

Didymodon vinealis (order Pottiales)

Dierama cupuliflorum (order Asparagales)

Dietes bicolor (order Asparagales)

Digitalis obscura (order Lamiales)

Digitalis purpurea (order Lamiales)

Dilophus sp (order Diptera)

Dimelaena oreina (order Teloschistales)

Dimocarpus longan (order Sapindales)

Dimorphoteca ecklonis (order Asterales)

Diodon holocanthus (order Tetraodontiformes)

Dioon angustifolium (order Cycadales)

Dioon edule (order Cycadales)

Dioon mejiae (order Cycadales)

Dioon spinulosum (order Cycadales)

Dioscorea communis (order Dioscoreales)

Diospyros fuscovelutina (order Ericales)

Diospyros haplostylis (order Ericales)

Diospyros kaki (order Ericales)

Diospyros occlusa (order Ericales)

Diospyros rhodocalyx (order Ericales)

Diospyros rubripetiolata (order Ericales)

Diospyros lokohensis (order Ericales)

Diospyros texana (order Ericales)

Diospyros toxicaria (order Ericales)

Diphasiastrum alpinum (order Lycopodiales)

Diplodus annularis (order Perciformes)

Diplolepis mayri (order Hymenoptera)

Diplolepis rosae (order Hymenoptera)

Diplophyllum albicans (order Jungermanniales)

Diploschistes caesioplumbeus (order Ostropales)

Diploschistes cinereocaesius (order Ostropales)

Diploschistes diacapsis (order Ostropales)

Diploschistes euganeus (order Ostropales)

Diploschistes interpediens (order Ostropales)

Diploschistes muscorum (order Ostropales)

Diploschistes scruposus (order Ostropales)

Diplotaxis erucoides (order Brassicales)

Diplotaxis ibicensis (order Brassicales)

Diplotaxis tenuifolia (order Brassicales)

Diplotaxis virgata (order Brassicales)

Diplotomma venustum (order Teloschistales)

Dipsacus fullonum (order Dipsacales)

Dipterocarpus obtusifolius (order Malvales)

Dirina candida (order Arthoniales)

Dirina ceratoniae (order Arthoniales)

Dirina massiliensis (order Arthoniales)

Disa stairsii (order Asparagales)

Discina parma (synonymous, order Pezizales)

Discina perlata (synonymous, order Pezizales)

Discoxylaria myrmecophila (order Xylariales)

Discula nervisequa (synonymous, order Diaporthales)

Distichium capillaceum (order Dicranales)

Distylium macrophyllum (order Saxifragales)

Distylium racemosum (order Saxifragales)

Ditrichum flexicaule (order Dicranales)

Dittrichia graveolens (synonymous, order Asterales)

Dittrichia viscosa (synonymous, order Asterales)

Dixus clypeatus (order Coleoptera)

Dodonaea angustifolia (synonymous, order Sapindales)

Dodonaea viscosa (order Sapindales)

Donella ambrensis (order Ericales)

Donella analalavensis (order Ericales)

Donella capuronii (order Ericales)

Donella delphinensis (order Ericales)

Donella fenerivensis (order Ericales)

Donella guereliana (order Ericales)

Donella malagassica (order Ericales)

Donella masoalensis (order Ericales)

Donella perrieri (order Ericales)

Donella ranirisonii (order Ericales)

Donella sambiranensis (order Ericales)

Doodia aspera (order Polypodiales)

Dorcadion fuentei (synonymous, order Coleoptera)

Dorcadion graellsii (order Coleoptera)

Dorcus parallelipipedus (order Coleoptera)

Dorstenia hildebrandtii (order Rosales)

Dorycnium hirsutum (order Fabales)

Dorycnium pentaphyllum (order Fabales)

Doryphora sassafras (order Laurales)

Draba aizoides (order Brassicales)

Draba hispanica (order Brassicales)

Dracaena afromontana (order Asparagales)

Dracaena cincta (order Asparagales)

Dracophyllum secundum (order Ericales)

Dracunculus canariensis (order Alismatales)

Dracunculus vulgaris (order Alismatales)

Drasterius bimaculatus (order Coleoptera)

Dreissena polymorpha (order Veneroida)

Drepanocladus aduncus (order Hypnales)

Drimia maritima (order Asparagales)

Drimys winteri (order Canellales)

Drosanthemum floribundum (order Caryophyllales)

Drosanthemum scandens (synonymous, order Caryophyllales)

Drosera adelae (order Caryophyllales)

Drosera peltata (order Caryophyllales)

Drosera rotundifolia (order Caryophyllales)

Drosera scorpioides (order Caryophyllales)

Drosophila affinis (order Diptera)

Drosophila azteca (order Diptera)

Drosophila guanche (order Diptera)

Drosophila persimilis (order Diptera)

Drosophila melanogaster (order Diptera)

Drosophila pseudoobscura (order Diptera)

Drosophila repleta (order Diptera)

Drosophila subobscura (order Diptera)

Drosophyllum lusitanicum (order Caryophyllales)

Drynaria rigidula (order Polypodiales)

Dryopteris affinis (order Polypodiales)

Dryopteris carthusianus (order Polypodiales)

Dryopteris erythrosora (order Polypodiales)

Dunaliella salina (order Chlamydomonadales)

Dunaliella turcomanica (order Chlamydomonadales)

Duranta erecta (order Lamiales)

Durio zibethinus (order Malvales)

Dypsis andilamenensis (order Arecales)

Dypsis bejofo (synonymous, order Arecales)

Dypsis catatiana (order Arecales)

Dypsis corniculata (order Arecales)

Dypsis crinita (synonymous, order Arecales)

Dypsis decaryi (synonymous, order Arecales)

Dypsis decipiens (synonymous, order Arecales)

Dypsis fanjana (order Arecales)

Dypsis fibrosa (synonymous, order Arecales)

Dypsis glabrescens (order Arecales)

Dypsis heterophylla (order Arecales)

Dypsis hildebrandtii (order Arecales)

Dypsis integra (order Arecales)

Dypsis jumelleana (order Arecales)

Dypsis lastelliana (synonymous, order Arecales)

Dypsis lutescens (synonymous, order Arecales)

Dypsis mcdonaldiana (order Arecales)

Dypsis nodifera (order Arecales)

Dypsis pachyramea (order Arecales)

Dypsis poivreana (order Arecales)

Dypsis procera (order Arecales)

Dypsis procumbens (order Arecales)

Dypsis simianensis (order Arecales)

Dypsis thiryana (order Arecales)

Dypsis turkii (order Arecales)

Dypsis tokoravina (synonymous, order Arecales)

Dysdera sp (order Araneae)

Dysphania numana (order Lepidoptera)

Dytiscus marginalis (order Coleoptera)