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United States

North America · Northern America

Total Species
11292
Threatened
759
CR + EN + VU
Population
331,002,647
Area
9,833,517 km²

Conservation Status Overview

Critically Endangered 151
Endangered 256
Vulnerable 352
Near Threatened 398
Least Concern 3910
Data Deficient 186
Not Evaluated 5315
Extinct in the Wild 1
Extinct 147

Species by Taxonomic Group

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

Featured Species

All Species in United States

Barberry aphid

Liosomaphis berberidis

Not Evaluated

Barber'S Pole Worm

Haemonchus contortus

Not Evaluated

Bare-Stemmed Teesdalia

Teesdalia nudicaulis

Least Concern

Bark beetle

Crypturgus pusillus

Least Concern

Bark Beetle

Bitoma crenata

Least Concern

Bark Beetle

Xylosandrus germanus

Not Evaluated

Bark Bonnet

Phloeomana speirea

Least Concern

Bark lice

Elipsocus hyalinus

Not Evaluated

Bark louse

Mesopsocus immunis

Not Evaluated

Bark louse

Philotarsus parviceps

Not Evaluated

Bark louse

Elipsocus pumilis

Not Evaluated

Bark Mycena

Mycena corticola

Not Evaluated

Barksdale Trillium

Trillium sulcatum

Least Concern

Bark Whitewash

Phlyctis boliviensis

Not Evaluated

Barley Brome

Bromus hordeaceus

Least Concern

Barn Funnel Weaver

Tegenaria domestica

Least Concern

Barn vetch

Vicia monantha

Not Evaluated

Barnyard Grass

Echinochloa crus-galli

Not Evaluated

barred fruit-tree tortrix

Pandemis cerasana

Least Concern

Barred Owl

Strix varia

Least Concern

Barred White Clothes

Nemapogon clematella

Least Concern

Basketgrass

Oplismenus hirtellus

Not Evaluated

Basket Oak

Quercus michauxii

Least Concern

Basket Willow

Salix purpurea

Least Concern

Basket Willow

Salix petiolaris

Least Concern

Basswood thrip

Thrips calcaratus

Not Evaluated

Bastard Alkanet

Buglossoides arvensis

Critically Endangered

Bastard Cress

Thlaspi arvense

Least Concern

Bastard Cress

Lepidium campestre

Least Concern

Bastard Helleborine

Epipactis helleborine

Least Concern

Bastard Nodding Thistle

Carduus acanthoides

Near Threatened

Bathroom Moth Fly

Clogmia albipunctatus

Not Evaluated

Bats In The Belfry

Campanula trachelium

Least Concern

bay barnacle

Amphibalanus improvisus

Not Evaluated

Bayberry

Morella pensylvanica

Least Concern

Bay Biscayne creeping-oxeye

Sphagneticola trilobata

Not Evaluated

Bayer's emerald bottle fly

Bellardia bayeri

Not Evaluated

Bayonet Rush

Juncus militaris

Least Concern

Bayou Violet

Viola sororia

Not Evaluated

Bay Polypore

Picipes badius

Least Concern

Beach Dropseed

Sporobolus virginicus

Least Concern

Beach-Heath

Hudsonia tomentosa

Not Evaluated

Beach moonflower

Ipomoea violacea

Not Evaluated

Beach sheoak

Casuarina equisetifolia

Not Evaluated

Beach spiderlily

Hymenocallis littoralis

Not Evaluated

Beach Sunflower

Helianthus debilis

Not Evaluated

Beach Wormwood

Artemisia stelleriana

Extinct

Beaded Rosette Lichen

Physcia tribacia

Not Evaluated

beaked bow moss

Dicranodontium denudatum

Not Evaluated

Beaked Iris

Iris ensata

Not Evaluated

Beaked Sedge

Carex rostrata

Least Concern

Beaked Sedge

Carex utriculata

Least Concern

Beak Willow

Salix bebbiana

Least Concern

Bean

Phaseolus vulgaris

Not Evaluated

Beanpodded Mustard

Chorispora tenella

Not Evaluated

Bean root aphid

Smynthurodes betae

Not Evaluated

Beanweed

Scytosiphon lomentaria

Least Concern

bearberry cotoneaster

Cotoneaster dammeri

Not Evaluated

Bearded Iris

Iris germanica

Not Evaluated

bearded pawwort

Barbilophozia barbata

Critically Endangered

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