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United States

North America · Northern America

Total Species
11292
Threatened
274
CR + EN + VU
Population
331002647
Area
9833517 km²

Conservation Status Overview

Critically Endangered 42
Endangered 98
Vulnerable 134
Near Threatened 153
Least Concern 2196
Data Deficient 112
Not Evaluated 3438
Extinct in the Wild 1
Extinct 86

Species by Taxonomic Group

Plantae 5386
Animalia 3833
Fungi 1835
Protozoa 86
Bacteria 78
Chromista 74

Featured Species

All Species in United States

Bladder Sedge

Carex intumescens

Not Evaluated

Bladder-senna

Colutea arborescens

Not Evaluated

Wild clary

Salvia verbenaca

Not Evaluated

Williamson's Emerald

Somatochlora williamsoni

Least Concern

Wild Lettuce

Lactuca quercina

Endangered

Wild Stonecrop

Sedum ternatum

Not Evaluated

Wild Lettuce

Lactuca saligna

Critically Endangered

wild liquorice

Astragalus glycyphyllos

Least Concern

Wild parsnip

Pastinaca sativa

Least Concern

Wild passionfruit

Passiflora suberosa

Least Concern

Wild sugarcane

Saccharum spontaneum

Least Concern

Wild Tobacco

Nicotiana rustica

Not Evaluated

Wild Tulip

Tulipa sylvestris

Least Concern

willow sawfly

Nematus salicis

Near Threatened

Willow Bracket

Phellinus igniarius

Least Concern

Willow-leaved Cotoneaster

Cotoneaster salicifolius

Not Evaluated

Willow Mildew

Erysiphe adunca

Not Evaluated

Willow Milkcap

Lactarius aspideus

Least Concern

Willow Ptarmigan / Red Grouse

Lagopus lagopus

Near Threatened

Wilman lovegrass

Eragrostis superba

Not Evaluated

Wilson's Storm-Petrel

Oceanites oceanicus

Not Evaluated

Wilson'S Warbler

Cardellina pusilla

Least Concern

Wimmera ryegrass

Lolium rigidum

Not Evaluated

Creeping spotflower

Acmella decumbens

Not Evaluated

Sticky oxeye

Heteranthemis viscidehirta

Not Evaluated

Wine Roundhead

Stropharia rugosoannulata

Least Concern

Winter Aconite

Eranthis hyemalis

Not Evaluated

Short-Leaved Ragged Moss

Sciuro-hypnum curtum

Least Concern

Squash / Pumpkin

Cucurbita moschata

Not Evaluated

Wingstem spurry

Spergula pentandra

Extinct

Woodland Beakrush

Scirpus expansus

Least Concern

Winter daffodil

Sternbergia lutea

Not Evaluated

wintergreen barberry

Berberis julianae

Not Evaluated

Winter heliotrope

Petasites pyrenaicus

Not Evaluated

Winter Stalk Puffball

Tulostoma brumale

Endangered

Winter Wren

Troglodytes hiemalis

Least Concern

Floerke'S Barbilophozia

Neoorthocaulis floerkei

Least Concern

Staph beetle

Megarthrus depressus

Least Concern

Wood Mushroom

Agaricus sylvicola

Least Concern

wiry fern moss

Abietinella abietina

Vulnerable

Bleeding Bonnet

Mycena sanguinolenta

Least Concern

Wisconsin weeping willow

Salix pendulina

Not Evaluated

Limestone Disc Lichen

Lecidella stigmatea

Least Concern

Roadside croton

Croton trinitatis

Not Evaluated

Eastern Haircap Moss

Polytrichum pallidisetum

Data Deficient

Staph beetle

Myllaena intermedia

Least Concern

woodland jumping mouse

Napaeozapus insignis

Least Concern

Johnny jumpup

Viola tricolor

Not Evaluated

Wolf'S Milk

Lycogala epidendrum

Not Evaluated

Wood Bolete

Buchwaldoboletus lignicola

Endangered

Woodland germander

Teucrium scorodonia

Least Concern

Wood Pinkgill

Entoloma rhodopolium

Least Concern

wood rustwort

Nowellia curvifolia

Vulnerable

Woody plant

Eucommia ulmoides

Vulnerable

Woodsy Silk-Moss

Plagiothecium nemorale

Vulnerable

Wood Thrush

Hylocichla mustelina

Near Threatened

woolly apple moss

Philonotis tomentella

Least Concern

Woollyjoint pricklypear

Opuntia tomentosa

Least Concern

woolly liverwort

Trichocolea tomentella

Vulnerable

Woolly Rosette

Cotylidia pannosa

Extinct

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