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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

Dwarf Shield

Pluteus nanus

Least Concern

Dwarf snapdragon

Chaenorhinum minus

Least Concern

Dwarf St. John'S Wort

Hypericum mutilum

Not Evaluated

Dwarf Streak-Moss

Rhabdoweisia fugax

Least Concern

Dwarf Water Clover

Marsilea minuta

Least Concern

Dwarf Willow

Salix herbacea

Least Concern

Dyed Milkcap

Lactarius hysginus

Data Deficient

Dyer'S Broom

Genista tinctoria

Critically Endangered

Dyer'S Cleavers

Galium trifidum

Least Concern

Dyer'S Woodruff

Asperula tinctoria

Critically Endangered

Dysderid Spider

Dysdera crocata

Not Evaluated

eared willow

Salix aurita

Least Concern

Early Forget-Me-Not

Myosotis verna

Not Evaluated

Earleaf acacia

Acacia auriculiformis

Least Concern

Early forsythia

Forsythia ovata

Endangered

Early Crocus

Crocus tommasinianus

Not Evaluated

Early Dark-Green Bulrush

Scirpus hattorianus

Least Concern

Early Goldenrod

Solidago gigantea

Not Evaluated

Early Goldenrod

Solidago juncea

Not Evaluated

Early Hair Grass

Aira praecox

Least Concern

Earthberry

Geocaulon lividum

Least Concern

Easter lily

Lilium longiflorum

Not Evaluated

early millet

Milium vernale

Endangered

early sand-grass

Mibora minima

Endangered

Early Saxifrage

Micranthes virginiensis

Not Evaluated

Microsporean parasite

Ichthyosporidium hertwigi

Not Evaluated

Early Water Avens

Geum vernum

Not Evaluated

Early water grass

Echinochloa oryzoides

Not Evaluated

Golden Ear

Naematelia aurantia

Not Evaluated

Early Wood Buttercup

Ranunculus abortivus

Not Evaluated

earth-cup flapwort

Nardia geoscyphus

Critically Endangered

Tapioca Slime Mold

Brefeldia maxima

Not Evaluated

Corn borer microsporidium

Nosema pyrausta

Not Evaluated

Chocolate Tube Slime

Stemonitis splendens

Not Evaluated

Eastern American Jack-O'-Lantern

Omphalotus illudens

Not Evaluated

Eastern Black Nightshade

Solanum emulans

Not Evaluated

Eastern Blue-Eyed-Grass

Sisyrinchium mucronatum

Not Evaluated

Eastern Least Clubtail

Stylogomphus albistylus

Least Concern

Armenian marshmallow

Althaea armeniaca

Not Evaluated

Ashen Knight

Tricholoma virgatum

Data Deficient

Eastern Juniper

Juniperus virginiana

Not Evaluated

Eastern Leatherwood

Dirca palustris

Not Evaluated

Eastern Line Aster

Symphyotrichum lanceolatum

Not Evaluated

Eastern Mannagrass

Glyceria septentrionalis

Least Concern

Eastern Marsh Fern

Thelypteris palustris

Vulnerable

Eastern Mousetail

Myosurus minimus

Vulnerable

Eastern Newt

Notophthalmus viridescens

Least Concern

Eastern Pellitory-of-the-wall

Parietaria officinalis

Near Threatened

Eastern Paper Birch

Betula cordifolia

Least Concern

Eastern Poison Ivy

Toxicodendron radicans

Not Evaluated

Eastern Pondhawk

Erythemis simplicicollis

Least Concern

Eastern Red-Backed Salamander

Plethodon cinereus

Least Concern

Eastern Rough Sedge

Carex scabrata

Least Concern

Eastern Skunk Cabbage

Symplocarpus foetidus

Not Evaluated

Eastern White Oak

Quercus alba

Not Evaluated

Eastern Spring Beauty

Claytonia virginica

Not Evaluated

Eastern Spruce

Picea rubens

Least Concern

eastern spruce gall adelgid

Adelges abietis

Not Evaluated

Eastern Waterleaf

Hydrophyllum virginianum

Not Evaluated

Eastern White Pine

Pinus strobus

Not Evaluated

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