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Japan

Asia · Eastern Asia

Total Species
1446
Threatened
53
CR + EN + VU
Population
126,476,461
Area
377,975 km²

Conservation Status Overview

Critically Endangered 15
Endangered 18
Vulnerable 20
Near Threatened 37
Least Concern 404
Data Deficient 4
Not Evaluated 861
Extinct 20

Species by Taxonomic Group

Plantae 1017
Animalia 427
Protozoa 2

Featured Species

Ecoregions

All Species in Japan

Light-blue snakeweed

Stachytarpheta jamaicensis

Least Concern

Cayenne porterweed

Stachytarpheta cayennensis

Least Concern

Dixie silverback fern

Pityrogramma calomelanos

Not Evaluated

Prostrate false buttonweed

Spermacoce prostrata

Not Evaluated

Mexican Morningglory

Ipomoea coccinea

Not Evaluated

Rose glorybower

Clerodendrum bungei

Least Concern

Softseed wild petunia

Ruellia simplex

Data Deficient

Clovenlip toadflax

Linaria bipartita

Not Evaluated

Giant Path Rush

Juncus anthelatus

Least Concern

Caracas rattlebox

Crotalaria micans

Least Concern

bigpod sesbania

Sesbania herbacea

Not Evaluated

Tickclover

Desmodium incanum

Least Concern

Creeping-rooted medic

Medicago carstiensis

Least Concern

Murex

Medicago murex

Not Evaluated

Wild passionfruit

Passiflora suberosa

Least Concern

Jamaican forget-me-not

Browallia americana

Least Concern

Nightshade

Solanum linnaeanum

Least Concern

erect spiderling

Boerhavia erecta

Not Evaluated

Whitesnow

Drymaria cordata

Least Concern

Orosne

Polygala paniculata

Not Evaluated

Gulf sandmat

Euphorbia thymifolia

Not Evaluated

Hyssopleaf sandmat

Euphorbia hyssopifolia

Least Concern

dense flat sedge

Cyperus congestus

Not Evaluated

Roadside flatsedge

Cyperus sphacelatus

Least Concern

Jointed Flatsedge

Cyperus articulatus

Least Concern

Panicled Bulrush

Scirpus microcarpus

Least Concern

Creeping spikerush

Eleocharis macrostachya

Not Evaluated

Bald Spikerush

Eleocharis erythropoda

Least Concern

Bushy Knotweed

Polygonum ramosissimum

Not Evaluated

Dune Sandbur

Cenchrus tribuloides

Least Concern

Annual Marsh Fleabane

Pluchea odorata

Least Concern

Hoary Verbena

Verbena stricta

Not Evaluated

Taiwan flowering cherry

Prunus campanulata

Not Evaluated

hedge euphorbia

Euphorbia neriifolia

Least Concern

Green-And-White Sedge

Carex longii

Least Concern

Hairy Brome

Bromus ramosus

Near Threatened

camphor daisy

Heterotheca subaxillaris

Not Evaluated

biennial beeblossom

Oenothera gaura

Not Evaluated

Chinese wingnut

Pterocarya stenoptera

Least Concern

trident maple

Acer buergerianum

Least Concern

American Sea Rocket

Cakile edentula

Not Evaluated

Panama crowngrass

Paspalum fimbriatum

Not Evaluated

African bristlegrass

Setaria sphacelata

Least Concern

Meadow barley

Hordeum brachyantherum

Not Evaluated

Coatbuttons

Tridax procumbens

Not Evaluated

Madagascar ragwort

Senecio madagascariensis

Not Evaluated

Javanese bishopwood

Bischofia javanica

Least Concern

winged water-primrose

Ludwigia decurrens

Least Concern

Seashore vervain

Verbena litoralis

Least Concern

Threelobe false mallow

Malvastrum coromandelianum

Not Evaluated

Rough mexican clover

Richardia scabra

Not Evaluated

Woodland false buttonweed

Spermacoce remota

Not Evaluated

Flat-top mille graines

Oldenlandia corymbosa

Not Evaluated

Chickenspike

Sphenoclea zeylanica

Least Concern

baby jump-up

Mecardonia procumbens

Least Concern

Formosan koa

Acacia confusa

Least Concern

Wild Tantan

Desmanthus virgatus

Least Concern

Arsenic bush

Senna septemtrionalis

Not Evaluated

Partridge-Pea

Chamaecrista nictitans

Least Concern

Asian Plum

Prunus salicina

Least Concern

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