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United States

North America · Northern America

Total Species
11292
Threatened
794
CR + EN + VU
Population
331 002 647
Area
9 833 517 km²

Conservation Status Overview

Critically Endangered 159
Endangered 267
Vulnerable 368
Near Threatened 429
Least Concern 4219
Data Deficient 187
Not Evaluated 5464
Extinct in the Wild 1
Extinct 150

Species by Taxonomic Group

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

Featured Species

All Species in United States

Beaded Rosette Lichen

Physcia tribacia

Not Evaluated

Beach spiderlily

Hymenocallis littoralis

Not Evaluated

Appalachian Brook Crayfish

Cambarus bartonii

Least Concern

Beach moonflower

Ipomoea violacea

Not Evaluated

Cottony cushion scale

Icerya purchasi

Not Evaluated

cottony grape scale

Pulvinaria vitis

Not Evaluated

Beach Dropseed

Sporobolus virginicus

Least Concern

Crabronid wasp

Pemphredon lethifer

Least Concern

Bay Polypore

Picipes badius

Least Concern

Crabronid wasp

Passaloecus gracilis

Least Concern

Bayer's emerald bottle fly

Bellardia bayeri

Not Evaluated

Dung Bird'S Nest

Cyathus stercoreus

Critically Endangered

Dusky arion

Arion subfuscus

Data Deficient

Bay Biscayne creeping-oxeye

Sphagneticola trilobata

Not Evaluated

bay barnacle

Amphibalanus improvisus

Not Evaluated

Dusky Cockroach

Ectobius lapponicus

Not Evaluated

Applebox

Eucalyptus bridgesiana

Vulnerable

Antlered Powderhorn

Cladonia subulata

Least Concern

Creeping inchplant

Callisia repens

Not Evaluated

Bathroom Moth Fly

Clogmia albipunctatus

Not Evaluated

Basswood thrip

Thrips calcaratus

Not Evaluated

Basket Oak

Quercus michauxii

Least Concern

Basketgrass

Oplismenus hirtellus

Not Evaluated

Barred White Clothes

Nemapogon clematella

Least Concern

Barn Funnel Weaver

Tegenaria domestica

Least Concern

Dwarf cupflower

Nierembergia linariifolia

Not Evaluated

Bark Whitewash

Phlyctis boliviensis

Not Evaluated

Barksdale Trillium

Trillium sulcatum

Least Concern

Bark Mycena

Mycena corticola

Not Evaluated

Bark louse

Elipsocus pumilis

Not Evaluated

Bark louse

Philotarsus parviceps

Not Evaluated

Dwarf Hygrophila

Hygrophila polysperma

Not Evaluated

Bark louse

Mesopsocus immunis

Not Evaluated

Bark lice

Elipsocus hyalinus

Not Evaluated

Bark Bonnet

Phloeomana speirea

Least Concern

Bark Beetle

Xylosandrus germanus

Not Evaluated

Bark Beetle

Bitoma crenata

Least Concern

Bark beetle

Crypturgus pusillus

Least Concern

Barber'S Pole Worm

Haemonchus contortus

Not Evaluated

Barberry aphid

Liosomaphis berberidis

Not Evaluated

Barberry

Berberis koreana

Not Evaluated

Bank catclaw

Acacia redolens

Least Concern

Dwarf Shield

Pluteus nanus

Least Concern

Banded Woollybear

Pyrrharctia isabella

Not Evaluated

Banded Wood Snail

Cepaea nemoralis

Least Concern

Banded thrip

Aeolothrips fasciatus

Not Evaluated

Dwarf Streak-Moss

Rhabdoweisia fugax

Least Concern

Banded thrip

Franklinothrips vespiformis

Not Evaluated

Banded greenhouse thrips

Hercinothrips femoralis

Not Evaluated

Dyed Milkcap

Lactarius hysginus

Data Deficient

banana poka

Passiflora tarminiana

Least Concern

Banana bud moth

Opogona sacchari

Not Evaluated

banana aphid

Pentalonia nigronervosa

Not Evaluated

Dyer'S Mazegill

Phaeolus schweinitzii

Least Concern

Bamboo pit scale

Bambusaspis bambusae

Not Evaluated

Dysderid Spider

Dysdera crocata

Not Evaluated

Bamboo orchid

Arundina graminifolia

Not Evaluated

bamboo mussel-scale

Pinnaspis buxi

Not Evaluated

Earleaf acacia

Acacia auriculiformis

Least Concern

Early forsythia

Forsythia ovata

Endangered

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