D-Farinae (see Dermatophagoides Farinae)
D-Pteronyssinus (see Dermatophagoides Pter)
Dactylis Glomerata
Dactylorhiza Fuchsii (Common Spotted Orchid)
Dactylorhiza Maculata (Heath Spotted Orchid)
Dactylorhiza Majalis (Western Marsh Orchid)
Daddy Long Legs (Pholcus Phalangioides)
Daffodil
Dairy Products (Mixed)
Dama Dama (Deer Fur)
Damascus Rose
Damiana (Turnera Aphro)
Damselfly (Bluet, Enallagma car)
Damselfly (Calopteryx Splendens)
Danaus Plexippus (Monarch Butterfly)
Dancing Lady Orchid (Oncidium Orchid)
Dandelion
Daphne Indica (Daphne Odorata)
Daphne Mezereum (Mezereum)
Daphnia Magna (Zooplankton)
Darlingtonia Californica
Dasypus Novemcinctus (Armadillo)
Datura Arb
Datura Ferox
Datura Metel
Death's-head hawk moth (Acherontia Atropos)
Dedroaspis Poly (Snake)
Deer (Red, Cervus Elaphus)
Deer Fur (Dama Dama)
Deinopus Subrufa (Net-casting spider)
Delphinium Staph (Staphisagria)
Dendoaspis Polyepsis (Black Mamba)
Dendroaspis Viridis (Green Mamba)
Dendrobates Auratus (Poison Dart Frog)
Dendrobium Lasianthera (Sepik Blue Orchid)
Dendrocopos major (Great Spotted Woodpecker)
Denys (Tub Denys)
Dermatophagoides Farinae (HDM)
Dermatophagoides Pteronyssinus (HDM)
Derris Pinnata
Deschampsia
Deschampsia Antarctica (Antarctic Hairgrass)
Desmodus Rotundus (Vampire Bat)
Devil's Claw (Harpagophytum)
Diamond Dust (Adamas)
Diamond Immersion
Dianthus Alpinus
Dianthus Caryophyllus
Dichapetalum
Dictamnus Albus
Didelphis Virginiana (Opossum)
Diesel and Petrol Fumes
Diesel Oil
Digitalis Purpurea
Digitoxinum
Dill (Anethum Grav)
Dimethicone (Silicone)
Dinosaur Fossil (Maiasaura Lapidea)
Diodon Hystrix (Porcupinefish)
Diomedea Exulans (Wandering Albatross)
Diomedea Melanophris (Black Browed Albatross, Thalassarche)
Dionaea Muscipula (Venus Flytrap)
Diopside
Dioscorea Villosa
Diosma Lincaris (Buchu)
Diospyrus Kaki (Japanese Persimmon)
Dioxin
Diplolepis Rosae
Dippel's Oil (Bone Oil)
Dirca Palustris
Disa Uniflora (Orchid)
Disc (Vertebral)
DL-Norleucine
DNA
Dog Hair (Canine Hair)
Dolichos Pruriens
Dolomite
Dopamine
Dormouse (Glis Glis)
Doryphora Decemlineata
Dove (Wood Pigeon, Columba Pal)
Dovekie (Alle Alle, Little Auk)
Dracontium Foetida (Ictodes,Pothos)
Dragonfly (Anax Imperator)
Drainage
Drimys Winteri
Drosera Rotund
Dry Rot
Duboisia Myoporoides
Duck (Anas Europeae)
Duck (Anas Indica)
Duck (Anas Platyrhynchos)
Duck (cooked meat)
Duck Egg
Dulcamara (Solanum Dulc)
Duplicating Ink
Durian (Durio Zibethinus)
Durio Zibethinus (Durian)
Durvillaea Antarctica (Kelp, Antarctic)
Dust
Duvet
Dys Co (Bach)
Dysprosium Carb
Dysprosium Fluoratum
Dysprosium Met (Oxy)
Dysprosium Mur
Dysprosium Nit
Dysprosium Phos
Dysprosium Sil
Dysprosium Sulph