United States

Aconite

Aconitum napellus

Critically Endangered

Admiralty Island Meadow Vole (Admiraltiae)

Microtus pennsylvanicus

Agrimony

Agrimonia eupatoria

Near Threatened

Ajuga

Ajuga reptans

Endangered

Alder

Alnus glutinosa

Alder leaf beetle

Agelastica alni

Alder Spittlebug

Aphrophora alni

All Species in United States

Dandelion gall wasp

Phanacis taraxaci

Dane's blood

Campanula glomerata

danewort, dwarf elder

Sambucus ebulus

Dappled Willow

Salix integra

Dark-Barred Twin-Spot Carpet

Xanthorhoe ferrugata

Dark Columbine

Aquilegia atrata

dark cow-hair moss

Ditrichum lineare

Dark Crottle

Hypogymnia physodes

Darkening Brittlegill

Russula vinosa

Dark-Eyed Junco

Junco hyemalis

Darkface arion

Arion distinctus

Dark Fieldcap

Cyclocybe erebia

Dark Firefly

Pyropyga nigricans

Dark-footed harp ground beetle

Calathus fuscipes

Dark Gray Boulder Lichen

Porpidia cinereoatra

Near Threatened

dark-green flapwort

Jungermannia atrovirens

Dark Honey Fungus

Armillaria ostoyae

Darkling beetle

Zophobas atratus

Darkling beetle

Tribolium destructor

Darkling beetle

Myrmechixenus vaporariorum

Darkling beetle

Blaps lethifera

Extinct

Dark Marbled Carpet

Dysstroma citrata

Dark mealworm

Tenebrio obscurus

Dark-Purple Earthtongue

Geoglossum atropurpureum

Dark Red Disc Lichen

Lecidea erythrophaea

Dark-Scale Cottongrass

Eriophorum viridicarinatum

Dark Shadow Lichen

Phaeophyscia sciastra

Data Deficient

Dark-Spored Puffball

Lycoperdon atropurpureum

Endangered

Dark-Spotted Milkcap

Lactarius atroviridis

Dark Stonewort

Nitella opaca

Dark-Tipped Wingwaver

Seioptera vibrans

Dark-winged fungus gnat

Lycoriella ingenua

Dark-winged fungus gnat

Bradysia impatiens

Dark-winged fungus gnat

Bradysia ocellaris

Darnel lovegrass

Eragrostis airoides

Darnel ryegrass

Lolium temulentum

Critically Endangered

Darwin's berberis

Berberis darwinii

Date palm

Phoenix dactylifera

date palm scale

Parlatoria blanchardi

David'S Spurge

Euphorbia davidii

Davis's Tree Cricket

Oecanthus exclamationis

dawn redwood

Metasequoia glyptostroboides

Day jessamine

Cestrum diurnum

deadly nightshade

Atropa belladonna

Near Threatened

Dead Man'S Fingers

Xylaria polymorpha

Dead Moll'S Fingers

Xylaria longipes

dead-nettle leaf beetle

Chrysolina fastuosa

Death Cap

Amanita phalloides

Death-watch beetle

Xestobium rufovillosum

Deceiver

Laccaria laccata

Deceiving Bovist

Bovista aestivalis

Deceiving Knight

Tricholoma sejunctum

Endangered

Deceptive Sunflower

Helianthus petiolaris

decollate snail

Rumina decollata

Decorated Mop

Tricholomopsis decora

Decorated Pholiota

Leucopholiota decorosa

Decumbent Goldenrod

Solidago glutinosa

Deer Fern

Struthiopteris spicant

Deergrass

Trichophorum caespitosum

Deer Grass Rust

Puccinia eriophori