United States

Aconite

Aconitum napellus

Critically Endangered

Admiralty Island Meadow Vole (Admiraltiae)

Microtus pennsylvanicus

Agrimony

Agrimonia eupatoria

Ajuga

Ajuga reptans

Alder

Alnus glutinosa

Alder leaf beetle

Agelastica alni

Alder Spittlebug

Aphrophora alni

All Species in United States

Winter Oysterling

Panellus ringens

Winter Polypore

Lentinus brumalis

Winter Russula

Russula cremoricolor

Winter Stalk Puffball

Tulostoma brumale

Winter Wren

Troglodytes hiemalis

wiry fern moss

Abietinella abietina

Wisconsin weeping willow

Salix pendulina

Witches' Whiskers Lichen

Usnea florida

Witch'S Hair

Alectoria sarmentosa

Wolf'S Milk

Lycogala epidendrum

Woman's tongue

Albizia lebbeck

Wood Bolete

Buchwaldoboletus lignicola

wood-boring amphipod

Chelura terebrans

Wood-boring beetle

Mesocoelopus collaris

Wood-boring weevil

Pselactus spadix

Wood decay

Crustodontia chrysocreas

Wood Dot Lichen

Micarea melaena

Wood Duck

Aix sponsa

Wood Frog

Lithobates sylvaticus

Wood gnat

Sylvicola cinctus

Wood Hedgehog

Hydnum repandum

Wood Horsetail

Equisetum sylvaticum

Woodland Beakrush

Scirpus expansus

Woodland blue worm

Octolasion cyaneum

Woodland false buttonweed

Spermacoce remota

Woodland germander

Teucrium scorodonia

Woodland Inkcap

Coprinellus deliquescens

Woodland Inkcap

Coprinellus silvaticus

woodland jumping mouse

Napaeozapus insignis

Woodland passionflower

Passiflora morifolia

Woodland ragwort

Senecio sylvaticus

Woodland sage

Salvia sylvestris

woodland vole

Microtus pinetorum

Woodland white worm

Octolasion tyrtaeum

Wood Mulberry

Bertia moriformis

Wood Mushroom

Agaricus sylvicola

Wood Pink

Dianthus sylvestris

Wood Pinkgill

Entoloma rhodopolium

Woodrush flatsedge

Cyperus entrerianus

wood rustwort

Nowellia curvifolia

Wood sorrel

Oxalis triangularis

Wood Spark

Perrotia flammea

Woodsy Silk-Moss

Plagiothecium nemorale

Wood Thrush

Hylocichla mustelina

Woodwasp

Sirex noctilio

Woody Fleabane

Dittrichia viscosa

Woody plant

Eucommia ulmoides

Woolly aphids

Eriosoma ulmi

woolly apple aphid

Eriosoma lanigerum

woolly apple moss

Philonotis tomentella

Woolly bellflower

Campanula lanata

Woolly Clover

Trifolium tomentosum

Woolly Foam

Stereocaulon tomentosum

Woollyjoint pricklypear

Opuntia tomentosa

woolly liverwort

Trichocolea tomentella

Woolly Panicgrass

Dichanthelium lanuginosum

Woolly Rosette

Cotylidia pannosa

Extinct

Woolly Tooth

Phellodon tomentosus

Woolly Webcap

Cortinarius laniger

Woolly Woodwart

Lasiosphaeria ovina