See Observations

1. Dark Columbine ( Aquilegia atrata)
2. Dark-eyed Junco ( Junco hyemalis)
3. --- Darner (genus: Aeshna)
4. Dash-lined Looper ( Protoboarmia porcelaria)
5. Deer Mouse ( Peromyscus maniculatus)
6. --- Deptford Pink ( Dianthus armeria)
7. --- Devil's Beggarticks ( Bidens frondosa)
8. --- Dog Vomit Slime Mold ( Fuligo septica)
9. --- Dot-tailed Whiteface ( Leucorrhinia intacta)
10. --- Dotted Loosestrife ( Lysimachia punctata)
11. --- Double-banded Carpet Moth ( Spargania magnoliata)
12. Double-crested Cormorant ( Phalacrocorax auritus)
13. --- Downy Thorn-apple ( Datura inoxia)
14. Downy Woodpecker ( Picoides pubescens)
15. --- Dragon Horn ( Cladonia squamosa)
16. Drone Fly ( Eristalis tenax)
17. --- Drooping Star-of-Bethlehem ( Ornithogalum nutans)
18. --- Drooping Woodland Sedge ( Carex arctata)
19. --- Drug Eyebright ( Euphrasia stricta)
20. --- Drumming Katydid ( Meconema thalassinum)
21. Dunlin ( Calidris alpina)
22. --- Dusky Slug ( Arion subfuscus)
23. --- Dutch Elm Disease ( Ophiostoma novo-ulmi)
24. --- Dutchman's Breeches ( Dicentra cucullaria)
25. Dwarf Ginseng ( Panax trifolius)