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Japan

Asia · Eastern Asia

Total Species
1446
Threatened
10
CR + EN + VU
Population
126 476 461
Area
377 975 km²

Conservation Status Overview

Critically Endangered 2
Endangered 4
Vulnerable 4
Near Threatened 9
Least Concern 157
Data Deficient 2
Not Evaluated 354
Extinct 7

Species by Taxonomic Group

Plantae 1017
Animalia 427
Protozoa 2

Featured Species

Ecoregions

All Species in Japan

Bald Spikerush

Eleocharis erythropoda

Least Concern

Bushy Knotweed

Polygonum ramosissimum

Not Evaluated

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

Inflatedscale flatsedge

Cyperus aggregatus

Least Concern

disc water hyssop

Bacopa rotundifolia

Least Concern

Blistering Ammania

Ammannia baccifera

Least Concern

five-leaf crotalaria

Crotalaria quinquefolia

Least Concern

prairie cup grass

Eriochloa contracta

Not Evaluated

Panicled Spot Flower

Acmella paniculata

Least Concern

Silverleaf Sunflower

Helianthus argophyllus

Least Concern

Terrestrial water-starwort

Callitriche terrestris

Least Concern

Daghestan sweet-clover

Melilotus suaveolens

Not Evaluated

curve-pod yellow cress

Rorippa curvisiliqua

Least Concern

golden-mane coreopsis

Coreopsis basalis

Not Evaluated

Field Hawkweed

Pilosella caespitosa

Not Evaluated

Crown-Pink

Silene coronaria

Not Evaluated

Japanese tung-oil-tree

Vernicia cordata

Least Concern

Hairy Sunflower

Helianthus hirsutus

Least Concern

tomcat clover

Trifolium willdenovii

Not Evaluated

Japanese scallion

Allium chinense

Least Concern

Foxtail flatsedge

Cyperus alopecuroides

Least Concern

lateral sedge

Carex unilateralis

Least Concern

Annual Fleabane

Erigeron annuus

Not Evaluated

Japanese glorybower

Clerodendrum japonicum

Least Concern

Divine nightshade

Solanum nigrescens

Not Evaluated

teasel sedge

Cyperus echinatus

Not Evaluated

sandhills amaranth

Amaranthus arenicola

Not Evaluated

Stipitate Forget-me-not

Plagiobothrys stipitatus

Not Evaluated

Luchu Pine

Pinus luchuensis

Least Concern

Early crocus

Crocus imperati

Least Concern

Potato bush

Phyllanthus reticulatus

Least Concern

Barley

Hordeum distichon

Not Evaluated

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