Scientific name Common name PEP USFWS Status IUCN Status ...

Scientific name Common name PEP USFWS Status IUCN Status Current State 

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Abutilon eremitopetalum Flowering Maple PEP E CR X 

Abutilon menziesii ko‘oloa‘ula ROI E CR X 

Abutilon sandwicense Flowering Maple E CR X 

Acacia koaia koa SOC VU X 

Acaena exigua liliwai POP E 

Achyranthes mutica (none) POP E CR 

Achyranthes splendens var. 

(none) 

rotundata 

Extirpated E VU Extirpated X 

Achyranthes splendens var. 

(none) 

splendens 

SOC 

Adenophorus periens palai lā‘au PEP E 

Alectryon macrococcus var. 

māhoe 

auwahiensis 

PEP E 

Alectryon macrococcus var. 

māhoe 

macrococcus 

ROI E CR 

Alphitonia ponderosa kauila ROI SOC VU 

Amaranthus brownii Pigweed E CR 

Anoectochilus sandvicensis jewel orchid ROI SOC VU 

Argyroxiphium caliginis ʻeke silversword SOC VU 

Argyroxiphium kauense ka‘ū silversword E CR 

Argyroxiphium sandwicense 

‘āhinahina 

subsp. macrocephalum 

T 

Argyroxiphium sandwicense 

‘āhinahina 

subsp. sandwicense 

PEP E VU 

Argyroxiphium virens PEP? 

SOC (possibly 

extinct) 

Argyroxiphium virescens Greensword Extinct SOC EX Extinct 

Asplenium diefalcatum 

(Diellia falcata) 

(none) E 

Asplenium dielerectum f. 

alexandri (Diellia erecta) 

palapalai lau li ʻi PEP E 


erecta (Diellia erecta) 

palapalai lau li ʻi PEP E 


pumila (Diellia erecta) 

palapalai lau li ʻi X E 

Asplenium dielmannii 

(Diellia mannii) 

(none) PEP E 

Asplenium dielpallidum 

(Diellia pallida) 


Asplenium haleakalense (none) SOC 

Asplenium leucostegioides 

(Diellia leucostegioides) 

Asplenium peruvianum var. 

(none) X SOC 

Extinct 

insulare (Asplenium fragile (none) 

var. insulare) 

ROI E 

Asplenium schizophyllum (none) 

POP-K/ROI- 

H 

SOC 

Asplenium unisorum 

(Diellia unisora) 

(none) E 

Astelia waialealae pa‘iniu PEP E CR 

Bidens amplectens ko‘oko‘olau C (PE) VU X 

Bidens campylotheca subsp. 

ko‘oko‘olau 

campylotheca 

ROI/PEP? SOC 



pentamera 

C 

X 



waihoiensis 

C VU X 

Bidens conjuncta ko‘oko‘olau C VU X 

Bidens cosmoides poʻolā nui SOC EN X 

Bidens hillebrandiana 

subsp. hillebrandiana 

ko‘oko‘olau POP SOC X 

Bidens micrantha subsp. 

ctenophylla 

ko‘oko‘olau C X 

Bidens micrantha subsp. 

kalealaha 

ko‘oko‘olau E X 

Bidens molokaiensis ko‘oko‘olau VU X 

Bidens populifolia ko‘oko‘olau SOC VU X 

Bidens wiebkei ko‘oko‘olau POP E CR X 

Bobea sandwicensis ʻahakea SOC VU 

Bobea timonioides ʻahakea POP SOC EN 

Bonamia menziesii (none) ROI E CR X 

Brighamia insignis alula PEP E CR X 

Brighamia rockii pua‘ala PEP E CR X 

Caesalpinia kavaiensis uhiuhi ROI E CR X 

Calamagrostis expansa (none) C 

Calamagrostis hillebrandii Reedgrass C EN 

Canavalia molokaiensis ‘āwikiwiki E CR 

Canavalia napaliensis ‘āwikiwiki E CR 

Canavalia pubescens ‘āwikiwiki PEP? C CR 

Capparis sandwichiana maiapilo SOC VU 

Carex wahuensis subsp. 

herbstii 

(none) POP-O SOC 

Cenchrus agrimonioides 

subsp. agrimonioides 

kāmanomano ROI E CR X 

Cenchrus agrimonioides 

subsp. laysanensis 

kāmanomano E 

Charpentiera densiflora pāpala POP E CR 

Charpentiera tomentosa 

var. tomentosa 

pāpala 

Cheirodendron dominii ʻōlapa POP SOC EN 

Cheirodendron forbesii ʻōlapa VU 

Christella boydiae kupukupu makali ʻi C 

Christella wailele (none) SOC 

Cladonia solitaria POP 

Cleome spinosa honohino SOC Extinct 

Clermontia arborescens 

subsp. arborescens 

‘ōhā wai nui SOC

Clermontia calophylla ‘ōhā wai SOC EN 

Clermontia drepanomorpha ‘ōhā wai E EN 

Clermontia grandiflora 

subsp. maxima 

‘ōhā wai POP SOC NT 

Clermontia lindseyana ‘ōhā wai ROI E EN 

Clermontia micrantha ‘ōhā wai 

Clermontia multiflora ‘ōhā wai SOC EX Extinct 

Clermontia oblongifolia 

subsp. brevipes 

‘ōhā wai PEP E VU 

Clermontia oblongifolia 

subsp. mauiensis 

‘ōhā wai E 

Clermontia peleana subsp. 

peleana 

‘ōhā wai PEP E EW 

Clermontia peleana subsp. 

singuliflora 

‘ōhā wai E 

Extinct 

Clermontia persicifolia ‘ōhā wai None NT 

Clermontia pyrularia ‘ōhā wai PEP E CR 

Clermontia samuelii subsp. 

‘ōhā wai 

hanaensis 

E CR 

Clermontia samuelii subsp. 

‘ōhā wai 

samuelii 

E 

Clermontia tuberculata ‘ōhā wai SOC EN 

Clermontia waimeae ‘ōhā wai SOC EN 

Colubrina oppositifolia kauila ROI E CR X 

Cryptocarya mannii holio POP-ROI-O SOC 

Ctenitis squamigera pauoa 

POP-K, ROI- 

Mo,L, O 

E 

Cyanea acuminata hāhā E CR 

Cyanea arborea hāhā SOC EX Extinct 

Cyanea asarifolia hāhā PEP E CR 

Cyanea asplenifolia hāhā C CR X 

Cyanea calycina hāhā C (PE) CR 

Cyanea comata hāhā SOC EX Extinct 

Cyanea copelandii subsp. 

copelandii 

hāhā E CR 

Extinct? 

Cyanea copelandii subsp. 

haleakalaensis 

hāhā E 

Cyanea crispa (Rollandia 

crispa) 

hāhā E CR 

Cyanea cylindrocalyx hāhā X SOC EX Extinct 

Cyanea dolichopoda hāhā POP E EX Extinct 

Cyanea dunbariae (Cyanea 

hāhā 

dunbarii) 

PEP E CR 

Cyanea duvalliorum hāhā POP SOC 

Cyanea eleeleenis hāhā PEP? E CR Extinct? 

Cyanea fauriei hāhā VU 

Cyanea fernaldii hāhā PEP SOC 

Cyanea gibsonii hāhā PEP CR listed below as Cyanea macrostegia subsp gibsonii 

Cyanea giffardii hāhā SOC EX Extinct 

Cyanea glabra hāhā PEP? E CR Extinct 

Cyanea grimesiana subsp. 

grimesiana 

hāhā PEP E 

Extinct in the 

wild 

Cyanea grimesiana subsp. 

obatae 

hāhā E 

X 

Cyanea habenata hāhā SOC VU 

Cyanea hamatiflora subsp. 

carlsonii 

hāhā PEP E X 

Cyanea hamatiflora subsp. 

hamatiflora 

hāhā E CR X 

Cyanea hardyi (none) VU 

Cyanea horrida hāhā nui PEP SOC CR 

Cyanea humboldtiana hāhā E 

Cyanea kahiliensis hāhā SOC 

Cyanea kolekoleensis hāhā PEP? E Extinct? 

Cyanea koolauensis hāhā E 

Cyanea kuhihewa hāhā PEP? E Extinct? 

Cyanea kunthiana hāhā C 

Cyanea lanceolata hāhā C (PE) 

Cyanea leptostegia hāhā lua SOC VU 

Cyanea linearifolia hāhā POP SOC Extinct 

Cyanea lobata subsp. 

baldwinii 


Cyanea lobata subsp. 

lobata 


Cyanea longiflora hāhā E Extinct 

Cyanea longissima hāhā X SOC Extinct 

Cyanea macrostegia subsp. 

hāhā 

gibsonii 

PEP E CR 

Cyanea magnicalyx hāhā PEP C 

Cyanea mannii hāhā E 

Cyanea maritae hāhā PEP SOC 

Cyanea marksii hāhā PEP SOC EX 

Cyanea mauiensis hāhā E Extinct 

Cyanea mceldowneyi hāhā POP E 

Cyanea membranacea hāhā SOC 

Cyanea minutiflora hāhā SOC Extinct 

Cyanea munroi (Cyanea 

hāhā 

grimesiana ssp. grimesiana) 

PEP E repeat 

Cyanea obtusa hāhā PEP C 

Cyanea parvifolia 

(Rollandia parviflora) 

hāhā POP SOC 

Extinct 

Cyanea pinnatifida hāhā PEP? E EW 


wild 

Cyanea platyphylla ‘aku‘aku POP E 

Cyanea pohaku hāhā SOC EX Extinct 

Cyanea procera hāhā PEP E CR 

Cyanea profuga hāhā PEP SOC 

Cyanea psudofauriei hāhā SOC 

Cyanea purpurellifolia hāhā PEP SOC (PE) PE

Cyanea pycnocarpa hāhā SOC EX Extinct 

Cyanea quercifolia hāhā SOC EX Extinct 

Cyanea recta hāhā T 

Cyanea remyi hāhā E 

Cyanea rivularis (Delissea 

rivularis) 


Cyanea salicina (Cyanea 

recta) 

T 

Cyanea sessilifolia (Cyanea 

longiflora) 

E 

Extinct 

Cyanea shipmanii hāhā PEP E 

Cyanea solanacea pōpolo PEP SOC 

Cyanea solenocalyx pua kala SOC VU 

Cyanea sp. nov. hāhā PEP SOC 

Cyanea st.-johnii hāhā PEP E CR 

Cyanea stictophylla hāhā PEP E CR 

Cyanea superba subsp. 

regina 

hāhā E 

Extinct 

Cyanea superba subsp. 

superba 

hāhā E EW 


wild 

Cyanea tritomantha ‘akū C VU 

Cyanea truncata hāhā PEP E EW 

Cyanea undulata hāhā PEP E 

Cyperus faurei (Mariscus 

fauriei) 

Umbrella Sedge E 

Cyperus neokunthianus Umbrella Sedge SOC Extinct 

Cyperus odoratus 

Cyperus pennatiformis var. 

Umbrella Sedge SOC Extinct 

pennatiformis (Mariscus 

pennatiformis) 

Umbrella Sedge POP E 

Cyperus rockii Umbrella Sedge POP SOC Extinct 

Cyperus trachysanthos pu‘uka‘a POP E X 

Cyrtandra biserrata ha‘iwale SOC 

Cyrtandra crenata ha‘iwale E Extinct 

Cyrtandra cyaneoides māpele E 

Cyrtandra dentata ha‘iwale E 

Cyrtandra ferripilosa ha‘iwale SOC 

Cyrtandra filipes ha‘iwale ROI C 

Cyrtandra giffardii ha‘iwale POP E EN 

Cyrtandra gracilis ha‘iwale PEP SOC (PE) PE 

Cyrtandra halawensis ha‘iwale POP SOC 

Cyrtandra heinrichii ha‘iwale SOC 

Cyrtandra hematos ha‘iwale POP SOCc 

Cyrtandra kamooloaensis (none) SOC 

Cyrtandra kaulantha 

Cyrtandra kealiae subsp. 

ha‘iwale PEP C (PE) CR PE 

kealiae (Cyrtandra 

limahuliensis) 

Cyrtandra kealiae subsp. 

ha‘iwale T 

urceolata (Cyrtandra 

kealiae subsp. kealiae) 

ha‘iwale SOC 

Cyrtandra kohalae ha‘iwale SOC Extinct 

Cyrtandra lydgatei ha‘iwale ROI SOC 

Cyrtandra macrocalyx ha‘iwale SOC 

Cyrtandra menziesii ha‘iwale POP SOC 

Cyrtandra munroi ha‘iwale ROI E 

Cyrtandra nanawalensis ha‘iwale SOC 

Cyrtandra oenobarba ha‘iwale E 

Cyrtandra olona ha‘iwale POP SOC Extinct 

Cyrtandra oxybapha ha‘iwale C 

Cyrtandra paliku ha‘iwale PEP E 

Cyrtandra pickeringii ha‘iwale SOC 

Cyrtandra polyantha ha‘iwale PEP E CR 

Cyrtandra pruinosa ha‘iwale SOC Extinct 

Cyrtandra rivularis ha‘iwale SOC 

Cyrtandra sandwicensis ha‘iwale SOC 

Cyrtandra sessilis ha‘iwale POP C (PE) 

Cyrtandra subumbellata ha‘iwale E 

Cyrtandra tintinnabula ha‘iwale POP E 

Cyrtandra viridiflora ha‘iwale E 

Cyrtandra wagneri 

(Cyrtandra sp. nov.) 

ha‘iwale PEP SOC 

Cyrtandra wainihaensis 

(Cyrtandra waihihaensis) 

ha‘iwale SOC 

Cyrtandra waiolani ha‘iwale PEP SOC (PE) EW 


wild 

Cystopteris douglasii (none) POP SOC 

Cystopteris sandwicensis (none) ROI 

Delissea argutidentata 

(Delissea undulata) 

(none) X E 


wild 

Delissea fallax (none) SOC Extinct 

Delissea faurei (none) X SOC Extinct 

Delissea kauaiensis 

(Delissea rhytidosperma) 


Delissea laciniata (none) SOC Extinct 

Delissea lanaiensis (none) X SOC Extinct 

Delissea lauliiana (none) SOC Extinct 

Delissea niihauensis 

(Delissea rhytidosperma) 


Delissea parviflora (none) SOC Extinct 

Delissea rhytidosperma (none) X E 


wild 

X now ext in wild, other subsp changed to D. kauiaensis 

Delissea rivularis (none) E 

Delissea sinuata 

Delissea subcordata subsp. 

(none) SOC Extinct 

obtusifolia (Delissea (none) E 

subcordata) 

Extinct

Delissea subcordata subsp. 

subcordata (Delissea (none) PEP E 

subcordata) 

Extinct 

Delissea takeuchii (Delissea 

(none) 

subcordata) 

E 

Extinct 

Delissea waianaeensis 

(Delissea subcordata) 

(none) E 

Deparia kaalaana (none) X SOC Extinct 

Dichanthelium koolauense (none) SOC 

Diplazium molokaiense (none) PEP E 

Dissochondrus biflorus (none) SOC 

Doodia lyonii (none) POP SOC 

Doryopteris angelica (none) PEP E 

Doryopteris takeuchii (none) C (PE) 

Dryopteris crinalis var. 

podosorus 

palapalai PEP E 

Dryopteris glabra var. 


kīlau SOC 

alboviridis (Dryopteris 

alboviridis) 

kīlau SOC 

Dryopteris glabra var. flynii kīlau SOC 


pusilla (D. tenebrosa) 

kīlau POP SOC 

Dryopteris tetrapinnata (none) SOC 

Dubautia arborea na‘ena‘e SOC EN 

Dubautia carrii na‘ena‘e SOC 

Dubautia hanaulaensis na‘ena‘e SOC 

Dubautia herbstobatae na‘ena‘e E 

Dubautia imbricata subsp. 

acronaea 

na‘ena‘e SOC 

Dubautia imbricata subsp. 

imbricata 

na‘ena‘e E 

Dubautia kalalauensis na‘ena‘e PEP E 

Dubautia kenwoodii na‘ena‘e PEP? E Extinct 

Dubautia knudsenii subsp. 

filiformis 

na‘ena‘e SOC 

Dubautia latifolia koholāpehu POP E 

Dubautia microcephala na‘ena‘e SOC EN 

Dubautia pauciflorula na‘ena‘e PEP E 

Dubautia plantaginea 

subsp. humilis 

na‘ena‘e PEP E 

Dubautia plantaginea 

subsp. magnifolia 

na‘ena‘e PEP/POP? E 

Dubautia platyphylla na‘ena‘e SOC 

Dubautia reticulata na‘ena‘e SOC VU 

Dubautia sherffiana na‘ena‘e SOC 

Dubautia syndetica na‘ena‘e SOC 

Dubautia waialealae na‘ena‘e E 

Embelia pacifica kilioe NS 

Eragrostis deflexa (none) SOC 

Eragrostis fosbergii Lovegrass E Extinct 

Eragrostis leptostachya 

(Eragrostis hosakai) 

Lovegrass NS 

Eragrostis mauiensis Lovegrass X SOC Extinct 

Erythrina sandwicensis wiliwili SOC 

Eugenia koolauensis nīoi X E EN 

Euphorbia arnottiana 

(Chamaesyce arnottiana) 

‘akoko SOC 

Euphorbia atrococca 

(Chamaesyce atrococca) 

Euphorbia celastroides var. 

‘akoko SOC VU 

kaenana (Chamaesyce 

celastroides var. kaenana) 


‘akoko E 

laehiensis (Chamaesyce 

celastroides var. laehiensis) 


‘akoko SOC 

lorifolia (Chamaesyce 

celastroides var. lorifolia) 

Euphorbia celastroides 

‘akoko ROI SOC 

var.tomentella (Chamaesyce ‘akoko SOC 

celastroides var.tomentella) 

Extinct 

Euphorbia clusiifolia 

(Chamaesyce clusiifolia) 

‘akoko NS 

Euphorbia deppeana 

(Chamaesyce deppeana) 

‘akoko POP E CR 

Euphorbia eleanoriae 

(Chamaesyce eleanoriae) 


Euphorbia haeleeleana ‘akoko E EN 

Euphorbia halemanui 

(Chamaesyce halemanui) 


Euphorbia herbstii 

(Chamaesyce herbstii) 

‘akoko E CR 

Euphorbia kuwaleana 

(Chamaesyce kuwaleana) 

‘akoko E EN 

Euphorbia olowaluana 

(Chamaesyce olowaluana) 

Euphorbia remyi var. 

‘akoko ROI SOC NT 

hanaleiensis (Chamaesyce 

remyi var. hanaleiensis) 

Euphorbia remyi var. 

‘akoko POP SOC 

kauaiensis (Chamaesyce 

remyi var. kauaiensis) 

Euphorbia remyi var. remyi 

‘akoko E 

(Chamaesyce remyi var. 

remyi) 

‘akoko E CR

Euphorbia rockii 

(Chamaesyce rockii) 

Euphorbia skottsbergii var. 

‘akoko E CR 

skottsbergii (Chamaesyce 

skottsbergii var. 

kalaeloana) 

Euphorbia skottsbergii var. 

‘akoko E 

vaccinioides (Chamaesyce 

skottsbergii var. 

vaccinioides) 

‘akoko ROI SOC 

Euphorbia sparsiflora 

(Chamaesyce sparsiflora) 

‘akoko POP SOC VU 

Eurya sandwicensis ānini 

ROI-H, PEP- 

O 

SOC VU 

Exocarpos gaudichaudii hulumoa ROI SOC EN 

Exocarpos luteolus heau POP E 

Festuca hawaiiensis Fescue C 

Festuca molokaiensis PEP SOC (PE) Extinct 

Festuca sp nov.(Molokai) ROI 

Fimbristylis hawaiiensis SOS 

Flueggea neowawraea mehamehame ROI E CR 

Gahnia lacera (Gahnia 

lanaiensis) 

(none) E 

Gardenia brighamii nānū PEP E CR X 

Gardenia mannii nānū E CR X 

Gardenia remyi nānū 

ROI-K&H, 

POP-M, Mo 

C VU 

Geranium arboreum nohoanu PEP E 

Geranium hanaense nohoanu C 

Geranium hillebrandii Cranesbill C 

Geranium kauaiense nohoanu POP E 

Geranium multiflorum nohoanu E 

Gossypium tomentosum maʻo ROI SOC 

Gouania hillebrandii (none) ROI E X 

Gouania meyenii (none) PEP E 

Gouania vitifolia (none) PEP E CR 

Haplostachys bryanii (none) SOC Extinct 

Haplostachys haplostachya honohono E X 

Haplostachys linearifolia (none) SOC Extinct 

Haplostachys munroi (none) SOC Extinct 

Haplostachys truncata (none) SOC Extinct 

Heliotropium anomalum 

var. argenteum 

hinahina 

Hesperomannia 

arborescens 

(none) X E CR 

Hesperomannia arbuscula (none) PEP E CR 

Hesperomannia lydgatei (none) POP E CR 

Hibiscadelphus bombycinus hau kuahiwi SOC EX Extinct 

Hibiscadelphus 

crucibracteatus 

hau kuahiwi Extinct SOC EX 

Extinct 

Hibiscadelphus distans 


giffardianus 


hualalaiensis 

hau kuahiwi 

hau kuahiwi 

hau kuahiwi 

PEP 


PEP/POP? 

E 

E 

E 

CR 

CR 

CR 

Extinct 

Extinct 

X 

X 

Hibiscadelphus wilderianus hau kuahiwi SOC EX Extinct 

Hibiscadelphus woodii hau kuahiwi PEP E CR 

Hibiscus arnottianus subsp. 

koki‘o ke‘oke‘o 

immaculatus 

POP E 

X 

Hibiscus brackenridgei 

subsp. brackenridgei 

ma‘o hau hele PEP E X 


subsp. mokuleianus 

ma‘o hau hele PEP/POP? E 

X 


subsp. molokaianus 

ma‘o hau hele PEP 

Hibiscus clayi aloalo PEP E CR X 

Hibiscus kokio subsp. kokio koki‘o 

POP-K, ROI- 

H 

SOC X 

Hibiscus waimeae subsp. 

hannerae 

koki‘o ke‘oke‘o POP E X 

Hillebrandia sandwicensis pu‘a maka nui SOC 

Huperzia haleakalae wawae‘iole SOC Extinct 

Huperzia mannii wawae‘iole POP E 

Huperzia nutans 

(Phlegmariurus nutans) 

Huperzia stemmermanniae 

wawae‘iole POP E 

(Phlegmariurus 

stemmermanniae) 

wawae‘iole PEP C 

Hypolepis hawaiiensis var. 

hawaiiensis 

olua NS 

Hypolepis hawaiiensis var. 

mauiensis 

olua SOC 

Ipomoea tuboides 

Hawaiian Moon 

Flower 

POP 

Ischaemum byrone Hilo Ischaemum ROI E X 

Isodendrion hosakae aupaka E 

Isodendrion laurifolium aupaka POP E 

Isodendrion longifolium aupaka POP T 

Isodendrion pyrifolium Wahine noho kula PEP E 

Joinvillea ascendens subsp. 

‘ohe 

ascendens 

POP-K, ROI- 

H 

C 

Kadua cookiana (Hedyotis 

cookiana) 

Kadua cordata subsp. remyi 

ʻāwiwi POP E 

X 

(Hedyotis 

schlechtendahliana var. 

remyi) 

kopa PEP E 

Kadua coriacea (Hedyotis 

coriacea) 

kio‘ele ROI E

Kadua degeneri subsp. 

coprosmifolia (Hedyotis (none) E 

degeneri) 

Kadua degeneri subsp. 

Exitnct 

degeneri (Hedyotis 

degeneri) 

(none) E 

Kadua elatior (Hedyotis 

elatior) 

ʻāwiwi NS 

Kadua fluviatilis (Hedyotis 

fluviatilis) 

kamapua‘a C 

Kadua flynnii (Hedyotis 

flynnii) 

(none) SOC 

Kadua foliosa (none) SOC Extinct 

Kadua formosa (Heydotis 

formosa) 

(none) SOC 

Kadua haupuensis 

(Heydotis haupuensis) 

(none) PEP? SOC 

Kadua laxiflora (Hedyotis 

mannii) 

pilo PEP E 

Kadua littoralis (Hedyotis 

littoralis) 

(none) POP SOC 

Kadua parvula (Hedyotis 

parvula) 

(none) E 

X 

Kadua sp. nov. (none) PEP (SOC-PE) Extinct? 

Kadua st.-johnii (Hedyotis 

st.-johnii) 


Kadua tryblium (Hedyotis 

tryblium) 

(none) SOC 

Kanaloa kahoolawensis (none) PEP E 

Keysseria helenae (none) E 

Keysseria maviensis howaiaulu SOC 

Kokia cookei koki‘o E EW 


wild 

Kokia drynarioides koki‘o PEP E CR X 

Kokia kauaiensis koki‘o POP E CR X 

Kokia lanceolata koki‘o SOC EX Extinct 

Korthalsella degeneri hulumoa C (PE) 

Labordia cyrtandrae kāmakahala PEP E CR 

Labordia helleri kāmakahala POP E 

Labordia hirtella kāmakahala NT 

Labordia kaalae kāmakahala SOC EN 

Labordia lorenciana kāmakahala PEP SOC 

Labordia lydgatei kāmakahala PEP E EN 

Labordia pumila kāmakahala E 

Labordia sp. nov. kāmakahala SOC 

Labordia tinifolia var. 

lanaiensis 

kāmakahala POP E 

Labordia tinifolia var. 

wahiawaensis 

kāmakahala PEP E 

Labordia triflora kāmakahala PEP E 

Lagenifera erici (none) E 

Lagenifera helenae (none) POP E 

Lepechinia hastata pakaha POP 

Lepidium arbuscula ʻānaunau E 

Lepidium bidentatum var. o- 

ʻānaunau 

waihiense 

SOC 

Lepidium orbiculare ʻānaunau POP SOC 

Lepidium remyi ʻānaunau SOC 

Lepidium serra ʻānaunau NS 

Lindsaea repens var. 

macraeana 

laukahi POP NS 

Liparis hawaiensis ʻawapuhiakanaloa ROI SOC 

Lipochaeta degeneri nehe SOC Extinct 

Lipochaeta lobata subsp. 

leptophylla 

nehe E 

Lipochaeta micrantha nehe E 

Lobelia dunbariae subsp. 

dunbariae 

(none) SOC 

Extinct? 

Lobelia dunbariae subsp. 

paniculata 

Lobelia gaudichaudii 

(none) SOC 

(Lobelia gaudichaudii ssp. 

gaudichaudii) 

(none) SOC 

Lobelia hypoleuca 

Lobelia koolauensis 

kuhiʻaikamoʻowahi 

e 

NS 

(Lobelia gaudichaudii 

subsp. koolauensis) 

(none) E 

Lobelia monostachya (none) PEP E CR 

Lobelia niihauensis (none) E 

Lobelia oahuensis (none) ROI E X 

Lobelia remyi (none) SOC Extinct 

Lobelia villosa (none) SOC 

Lobelia x kauaensis 

(Lobelia kauaensis) 

pu‘e SOC 

Lobelia yuccoides pananunau SOC 

Lobordia hosakana kāmakahala SOC 

Lysimachia daphnoides lehua makanoe POP E 

Lysimachia filifolia (none) POP E 

Lysimachia forbesii (none) SOC Extinct 

Lysimachia iniki (none) PEP E 

Lysimachia kalalauensis (none) NS 

Lysimachia lydgatei (none) PEP E 

Lysimachia maxima (none) PEP E X 

Lysimachia pendens (none) PEP E 

Lysimachia scopulensis (none) PEP E 

Lysimachia venosa (none) POP E 

Marsilea villosa ihi‘ihi POP E X

Melanthera bryanii 

(Lipochaeta bryanii) 

nehe SOC 

Extinct 

Melanthera fauriei nehe POP E duplicate 

Melanthera fauriei 

(Lipochaeta fauriei) 

nehe POP E 

Melanthera kamolensis 

(Lipochaeta kamolensis) 

nehe POP E 

Melanthera micrantha 

subsp. exigua 

nehe POP 

Melanthera micrantha 

subsp. micrantha 

nehe PEP 

Melanthera perdita 

(Lipochaeta perdita) 

nehe SOC 

Extinct 

Melanthera populifolia 

(Wollastonia populifolia) 

nehe SOC 

Extinct 

Melanthera remyi 

(Lipochaeta remyi) 

nehe SOC 

Melanthera tenuifolia 

(Lipochaeta tenuifolia) 

nehe E 

Melanthera tenuis 

(Lipochaeta tenuis) 

nehe SOC 

Melanthera venosa 

(Lipochaeta venosa) 

nehe E 

Melanthera waimeaensis 

(Lipochaeta waimeaensis) 

nehe POP E 

Melicope adscendens alani PEP E 

Melicope balloui alani POP E EN 

Melicope christophersenii alani C (PE) EN 

Melicope cinerea alani SOC EN 

Melicope cruciata alani SOC EX 

Melicope degeneri alani PEP E 

Melicope haleakalae alani SOC EX 

Melicope haupuensis alani PEP E CR 

Melicope hawaiensis 

mokihana kūkae 

moa 

POP SOC 

Melicope hiiakae alani C (PE) 

Melicope kaalaensis alani VU 

Melicope knudsenii alani PEP E CR 

Melicope lydgatei alani ROI E 

Melicope macropus alani POP EN 

Melicope makahae alani C EN 

Melicope mucronulata 

(Pelea mucronulata) 

alani PEP E CR 

Melicope munroi alani E 

Melicope nealae alani POP SOC Extinct 

Melicope obovata alani SOC EX Extinct 

Melicope orbicularis alani EN 

Melicope ovalis alani E EN 

Melicope pallida alani POP E EN 

Melicope paniculata alani POP E EX 

Melicope puberula alani E EN 

Melicope quadrangularis alani PEP E CR 

Melicope reflexa alani E 

Melicope saint-johnii alani E EN 

Melicope sandwicensis alani SOC EN 

Melicope sp. nov. East 

Maui 

alani SOC 

Melicope sp. nov. West 

Maui 

alani PEP SOC 

Melicope waialealae alani wai POP EN 

Melicope wailauensis alani SOC Extinct? 

Melicope wawraeana alani VU 

Melicope zahlbruckneri alani PEP E CR 

Microlepia strigosa var. 

mauiensis 

palapalai C 

Morinda trimera noni kuahiwi ROI SOC NT 

Mucuna sloanei var. 

persericea 

cow-itch plant POP SOC 

Myoporum stellatum naio SOC 

Myrsine degeneri kōlea VU 

Myrsine fernseei kōlea NT 

Myrsine fosbergii kōlea POP C VU 

Myrsine helleri ‘oliko SOC 

Myrsine hosakae kōlea VU 

Myrsine juddii kōlea E 

Myrsine knudsenii kōlea PEP E EN 

Myrsine linearifolia kōlea T 

Myrsine mezii kōlea PEP E CR 

Myrsine petiolata kōlea POP EN 

Myrsine vaccinioides kōlea C 

Nama sandwicensis hinahina kahakai SOC 

Neraudia angulata var. 

angulata 

(none) E 

Neraudia angulata var. 

dentata 

(none) E 

Neraudia kauaiensis (none) POP SOC 

Neraudia melastomifolia ma‘aloa ROI NS VU 

Neraudia ovata (none) PEP E CR 

Neraudia sericea (none) PEP E Poss Ext 

Nesoluma polynesicum keahi SOC VU 

Nothocestrum breviflorum ‘aiea E CR X 

Nothocestrum latifolium ‘aiea C EN 

Nothocestrum longifolium ‘aiea NT 

Nothocestrum peltatum ‘aiea PEP E CR 

Nototrichium humile kulu‘ī E X 

Nototrichum divaricatum kulu‘ī SOC 

Ochrosia compta hōlei SOC 

Ochrosia haleakalae hōlei ROI C EN 

Ochrosia kauaiensis hōlei SOC EN

Ochrosia kilaueaensis hōlei E CR Extinct X 

Osmoxylon mariannense (none) E 

Panicum fauriei var. carteri 

Panic Grass 

(Panicum carteri) 

POP E X 

Panicum lineale Panic Grass POP SOC 

Panicum longivaginatum (none) SOC 

Panicum niihauense lau‘ehu PEP E 

Panicum ramosius (none) SOC 

Peperomia degeneri ‘ala ‘ala wai nui PEP? SOC Extinct 

Peperomia ligustrina ‘ala ‘ala wai nui POP 

Peperomia membranacea ‘ala ‘ala wai nui PEP? 

Peperomia rockii ‘ala ‘ala wai nui SOC 

Peperomia subpetiolata ‘ala ‘ala wai nui PEP C 

Peucedanum sandwicense makou ROI T X 

Phyllostegia ambigua (none) ROI SOC 

Phyllostegia bracteata (none) PEP C 

Phyllostegia brevidens (none) PEP SOC 

Phyllostegia floribunda (none) PEP C 

Phyllostegia glabra var. 

lanaiensis 

ulihi E 

Extinct 

Phyllostegia haliakalae 

(Phyllostegia mollis) 


Phyllostegia helleri (none) POP SOC Extinct 

Phyllostegia hillebrandii (none) SOC Extinct 

Phyllostegia hirsuta (none) PEP E 

Phyllostegia hispida (none) PEP E 

Phyllostegia imminuta (none) Extinct 

Phyllostegia kaalaensis (none) PEP E CR 

Phyllostegia kahiliensis (none) SOC 

Phyllostegia knudsenii (none) PEP? E Extinct 

Phyllostegia macrophylla (none) ROI SOC 

Phyllostegia mannii (none) PEP E 

Phyllostegia mollis 

Phyllostegia parviflora var. 

(none) E CR 

glabriuscula (Phyllostegia 

parviflora) 



lydgatei (Phyllostegia 

parviflora) 



parviflora (Phyllostegia 

parviflora) 


Phyllostegia pilosa 

(Phyllostegia mollis) 

(none) PEP E repeat of above 

Phyllostegia racemosa kīponapona POP E 

Phyllostegia renovans (none) PEP E 

Phyllostegia rockii (none) SOC Extinct 

Phyllostegia stachyoides (none) PEP SOC 

Phyllostegia velutina (none) E 

Phyllostegia vestita (none) NS 

Phyllostegia waimeae (none) PEP E 

Phyllostegia warshaueri (none) PEP E 

Phyllostegia wawrana (none) PEP E 

Pisonia wagneriana pāpala kēpau POP SOC EN 

Pittosporum argentifolium hō‘awa SOC 

Pittosporum halophilum (none) PEP SOC 

Pittosporum hawaiiense hō‘awa SOC 

Pittosporum napaliense hō‘awa POP E EN 

Pittosporum terminalioides hō‘awa VU 

Plantago hawaiensis laukahi kuahiwi PEP E 

Plantago princeps var. 

anomala 

laukahi kuahiwi POP E 


laxifolia 

laukahi kuahiwi PEP E 


longibracteata 

laukahi kuahiwi POP E 


princeps 

laukahi kuahiwi E 

Platanthera holochila Fringed Orchid PEP E 

Platydesma cornuta subsp. 

cornuta 

(none) C (PE) 

Platydesma cornuta subsp. 

decurrens 

(none) C (PE) 

Platydesma remyi (none) PEP C EN 

Platydesma rostrata pilo kea lau li‘i POP E 

Pleomele auwahiensis hala pepe VU 

Pleomele fernaldii hala pepe C EN 

Pleomele forbesii hala pepe C (PE) EN 

Pleomele halapepe hala pepe VU 

Pleomele hawaiiensis hala pepe E EN X 

Pneumatopteris sp. nov. 

(Kipahulu) 

(none) POP None 

Poa mannii Bluegrass POP E 

Poa sandvicensis Bluegrass E 

Poa siphonoglossa 

Polyscias bisattenuata 

Bluegrass POP E 

(Tetraplasandra 

bisattenuata) 

ʻohe mauka PEP? E 

Polyscias flynii 

(Tetraplasandra flynnii) 

Polyscias gymnocarpa 

‘ohe‘ohe PEP E 

(Tetraplasandra 

gymnocarpa) 

‘ohe‘ohe E CR 

Polyscias kavaiensis 

‘ohe‘ohe 

(Tetraplasandra kavaiensis) 

ROI NS 

Polyscias lydgatei 

(Tetraplasandra lydgatei) 

ʻohe mauka PEP SOC 

Polyscias oahuensis 

(Tetraplasandra oahuensis) 

ʻohe mauka SOC

Polyscias racemosa 

(Munroidendron 

racemosum) 

(none) POP E CR X 

Portulaca molokiniensis ʻihi ROI SOC 

Portulaca sclerocarpa po‘e PEP E 

Portulaca sp. A ʻihi SOC 

Portulaca villosa ʻihi ROI SOC 

Portulaca villosa subsp. 

nov. 

ʻihi 

Extinct 

Prichardia bakeri 

(Pritchardia sp. 1) 

loulu SOC 

Prichardia lowreyana loulu VU 

Pritchardia affinis loulu POP E CR X 

Pritchardia arecina loulu SOC 

Pritchardia aylmerrobinsonii 

loulu E CR X 

Pritchardia beccariana loulu SOC 

Pritchardia elliptica loulu SOC 

Pritchardia flynnii loulu SOC 

Pritchardia forbesiana loulu SOC EN 

Pritchardia glabrata loulu SOC EN 

Pritchardia hardyi loulu POP E CR 

Pritchardia hillebrandii loulu lelo SOC 

Pritchardia kaalae loulu E CR X 

Pritchardia lanaiensis loulu SOC EN 

Pritchardia lanigera 

(eriostachya) 

loulu PEP SOC EN 

Pritchardia limahuliensis loulu SOC CR 

Pritchardia lowreyana loulu SOC 

Pritchardia martii loulu hiwa SOC 

Pritchardia minor loulu SOC 

Pritchardia munroi loulu PEP E CR 

Pritchardia napaliensis loulu POP E CR same as P. remota napaliense 

Pritchardia perlmanii loulu SOC EN 

Pritchardia remota loulu E EN X 

Pritchardia schattaueri loulu PEP E CR 

Pritchardia sp. (leeward 

Maui) 

loulu PEP SOC 

Pritchardia sp. A (Palawai) loulu PEP SOC 

Pritchardia viscosa loulu PEP E CR 

Pritchardia waialealeana 

Pseudognaphalium 

loulu VU 

sandwicensium var. 

molokaiense 

ʻenaʻena ROI C (PE) 

Psychotria grandiflora kōpiko PEP E EN 

Psychotria greenwelliae kōpiko VU 

Psychotria hexandra subsp. 

kōpiko 

oahuensis 


Psychotria hobdyi kōpiko POP E EN 

Psychotria wawrae kōpiko SOC 

Pteralyxia kauaiensis kaulu E EN 

Pteralyxia macrocarpa kaulu C (PE) VU 

Pteris lidgatei (Pteris 

lidgatei) 


Ranunculus hawaiensis makou ROI C 

Ranunculus mauiensis makou 

POP-K, ROI 

M, Mo 

C 

Remya kauaiensis (none) POP E 

Remya mauiensis (none) POP E 

Remya montgomeryi (none) PEP E 

Reynoldsia sandwicensis ʻohe NT 

Rubus macraei ʻakala SOC 

Sanicula kauaiensis Snakeroot POP SOC 

Sanicula mariversa Snakeroot E 

Sanicula purpurea Snakeroot E 

Sanicula sandwicensis Snakeroot 

PEP-H/ROI- 

M 

SOC 

Santalum haleakalae var. 

haleakalae 

Santalum haleakalae var. 

‘iliahi SOC VU 

lanaiense (Santalum 

freycinetianum var. 

lanaiense) 

‘iliahi E X 

Santalum involutum ‘iliahi SOC 

Sapindus oahuensis lonomea VU 

Scaevola coriacea Dwarf naupaka POP/ROI E X 

Scaevola hobdyi (none) Extinct 

Scaevolu kilaueae huahekili uka SOC 

Sceptridium subbifoliatum makou SOC Extinct 

Schenkia sebaeoides 

(Centaurium sebaeoides) 

‘āwiwi PEP E CR 

Schiedea adamantis (none) PEP E CR X 

Schiedea amplexicaulis (none) POP SOC 

Schiedea apokremnos (none) POP E 

Schiedea attenuata (none) PEP E 

Schiedea diffusa subsp. 

difussa 

(none) ROI SOC 

Schiedea diffusa subsp. 

macraei 

(none) PEP SOC 

Schiedea globosa (none) SOC 

Schiedea haleakalensis (none) PEP E 

Schiedea hawaiiensis (none) PEP 

Schiedea helleri (none) POP E 

Schiedea hookeri (none) E X 

Schiedea implexa (none) SOC Extinct 

Schiedea jacobii (none) PEP SOC Extinct? 

Schiedea kaalae (none) PEP E CR X 

Schiedea kauaiensis (none) PEP E 

Schiedea kealiae (none) E

Schiedea laui (none) PEP SOC 

Schiedea ligustrina (none) SOC 

Schiedea lychnoides 

(Alsinidendron lychnoides) 

(none) POP E CR 

Schiedea lydgatei (none) E 

Schiedea mannii (none) SOC 

Schiedea membranacea (none) PEP E 

Schiedea menziesii (none) SOC 

Schiedea nuttallii (none) POP E 

Schiedea obovata 

(Alsinidendron obovatum) 

(none) PEP E CR 

Schiedea pentandra 

(Schiedea pentamera) 

(none) SOC 

Schiedea perlmanii 

(Schiedea nuttalii) 


Schiedea pubescens (none) ROI C 

Schiedea salicaria (none) C 

Schiedea sarmentosa 

Schiedea spergulina 

(none) E 

(Schiedea spergulina var. 

leiopoda) 

(none) PEP? E 



spergulina) 

(none) PEP?? T taxonomists 

lumped these 

Schiedea stellarioides laulihilihi E 

Schiedea trinerve 

(Alsinidendron trinerve) 

(none) E CR X 

Schiedea verticillata (none) E 

Schiedea viscosa 

(Alsinidendrum viscosum) 

(none) PEP E CR 

Sesbania tomentosa ʻohai ROI E X 

Sicyos alba ‘ānunu PEP E 

Sicyos cucumerinus panunukuahiwi ROI SOC 

Sicyos hillebrandii ‘ānunu SOC Extinct? 

Sicyos lanceoloideus ‘ānunu PEP SOC 

Sicyos macrophyllus ‘ānunu PEP C 

Sicyos waimanaloensis ‘ānunu PEP? SOC 

Silene alexandri Catchfly PEP E 

Silene cryptopetala Catchfly SOC Extinct 

Silene degeneri Catchfly SOC Extinct 

Silene hawaiiensis Catchfly T 

Silene lanceolata Catchfly POP E X 

Silene perlmanii Catchfly E 

Sisyrinchium acre ma‘u ho‘ula ‘ili SOC 

Solanum incompletum pōpolo kū mai POP E 

Solanum nelsonii pōpolo ROI, PEP-H C 

Solanum sandwicense pōpolo ʻaiakeakua PEP E X 

Spermolepis hawaiiensis (none) ROI E 

Stenogyne angustifolia (none) E 

Stenogyne bifida (none) PEP E 

Stenogyne calycosa (none) SOC 

Stenogyne campanulata (none) PEP E 

Stenogyne cinerea (none) SOC Extinct 

Stenogyne cranwelliae (none) PEP C 

Stenogyne haliakalae (none) SOC Extinct 

Stenogyne kaalae subsp. 

sherfii 

(none) PEP SOC 


wild 

Stenogyne kanehoana (none) PEP E 

Stenogyne kauaulaensis (none) PEP SOC © 

Stenogyne kealiae (none) POP E 

Stenogyne macrantha (none) SOC 

Stenogyne microphylla (none) 

Stenogyne oxygona (none) E Extinct 

Stenogyne rugosa māʻohiʻohi 

Stenogyne scrophularioides mohihi NS 

Stenogyne sessilis (none) 

Stenogyne viridis (none) SOC Extinct? 

Streblus pendulinus aʻiaʻi NS 

Strongylodon ruber 

Tetramolopium arenarium 

nuku ʻiʻiwi ROI 

subsp. arenarium var. (none) E 

arenarium 

Extinct 


subsp. laxum 

(none) E 

Extinct 


(none) 

subsp. laxum var. confertum 

E 

Extinct 

Tetramolopium capillare 

Tetramolopium 

pāmakani E Extinct? 

consanguineum subsp. (none) POP SOC 

consanguineum 

Tetramolopium 

Extinct 

consanguineum subsp. 

leptophyllum 

SOC 

Tetramolopium conyzoides (none) SOC Extinct 

Tetramolopium diersingii (none) POP 

Tetramolopium filiforme 

var. filiforme 

(none) E 

Tetramolopium filiforme 

Var. polyphyllum 

(none) E 

X 

Tetramolopium humile var. 

(none) 

sublaeve 

SOC 

Tetramolopium lepidotum 

subsp. arbusculum 

(none) SOC 

Extinct 

Tetramolopium lepidotum 

subsp. lepidotum 


Tetramolopium remyi (none) PEP E 

Tetramolopium rockii var. 

calcisabulorum 

(none) T 

X

Tetramolopium rockii var. 

rockii 

(none) T 

X 

Tetramolopium sp. nov. 1 

(Tetramolopium diersingii) 

(none) POP SOC 

duplicate 

Tetramolopium sp. nov. 2 (none) SOC 

Tetramolopium sylvae (none) SOC 

Tetramolopium tenerrimum (none) SOC Extinct 

Trematolobelia grandifolia (none) SOC 

Trematolobelia 

macrostachys 

koliʻi 

Trematolobelia singularis (none) PEP? E 

Trisetum inaequale (none) ROI 

Urera kaalae ōpuhe PEP E CR 

Vicia menziesii Hawaiian Vetch PEP E 

Vigna o-wahuensis (none) ROI E X 

Viola chamissoniana subsp. 

pāmakani 

chamissoniana 

E 

Viola helenae Violet PEP E 

Viola kauaiensis var. 

wahiawaensis 

nani Wai‘ale‘ale PEP E 

Viola lanaiensis Violet PEP E 

Viola oahuensis Violet E 

Wikstroemia bicornuta ‘ākia SOC EN 

Wikstroemia hanalei ‘ākia POP SOC 

Wikstroemia skottsbergiana ‘ākia PEP SOC EX 

Wikstroemia villosa ‘ākia PEP SOC EX 

Wilkesia hobdyi Dwarf iliau E 

Xylosma crenatum (none) PEP E CR 

Zanthoxylum dipetalum var. 

a‘e 

dipetalum 

ROI SOC 

Zanthoxylum dipetalum var. 

a‘e 

tomentosum 


Zanthoxylum hawaiiense a‘e ROI E EN 

Zanthoxylum kauaense a‘e PEP SOC NT 

Zanthoxylum oahuense a‘e ? C (PE) VU

Scientific name Common name PEP USFWS Status 

Flowering Maple PEP E 

Argyroxiphium virens PEP? 

SOC (possibly 

extinct) 

Asplenium leucostegioides 

(Diellia leucostegioides) 

(none) ? SOC 


campylotheca 

ko‘oko‘olau ROI/PEP? SOC 

Canavalia pubescens ‘āwikiwiki PEP? C 

Cyanea cylindrocalyx hāhā ? SOC 

Cyanea eleeleenis hāhā PEP? E 

Cyanea glabra hāhā PEP? E 

Cyanea kolekoleensis hāhā PEP? E 

Cyanea kuhihewa hāhā PEP? E 

Cyanea longissima hāhā ? SOC 

Cyanea pinnatifida hāhā PEP? E 

Delissea argutidentata 

(Delissea undulata) 

(none) ? E 

Delissea faurei (none) ? SOC 

Delissea lanaiensis (none) ? SOC 

Deparia kaalaana (none) ? SOC 

Dubautia kenwoodii na‘ena‘e PEP? E 

Dubautia plantaginea subsp. 

magnifolia 

na‘ena‘e PEP/POP? E 

Eragrostis mauiensis Lovegrass ? SOC 

Eugenia koolauensis nīoi ? E 

Hesperomannia arborescens (none) ? E 

Hibiscadelphus hualalaiensis hau kuahiwi PEP/POP? E 

Hibiscadelphus wilderianus hau kuahiwi SOC 

Hibiscus brackenridgei subsp. 

ma‘o hau hele 

mokuleianus 

PEP/POP? E 

Kadua haupuensis (Heydotis 

haupuensis) 

(none) PEP? SOC 

Peperomia degeneri ‘ala ‘ala wai nui PEP? SOC 

Peperomia membranacea ‘ala ‘ala wai nui PEP? 

Phyllostegia knudsenii (none) PEP? E 

Polyscias bisattenuata 

(Tetraplasandra bisattenuata) 

ʻohe mauka PEP? E



leiopoda) 



spergulina) 

(none) PEP? E 

(none) PEP?? T 

Trematolobelia singularis (none) PEP? E 

Zanthoxylum oahuense a‘e ? C (PE)

IUCN Status Current Stateommercial Trade 

CR X 

Extinct 

CR 

EX Extinct 

CR Extinct? 

CR Extinct 

Extinct? 

Extinct? 

EW 

EN 

CR 

Extinct 


wild 


wild 

Extinct 

Extinct 

Extinct 

Extinct 

Extinct 

CR 

Extinct 

EX Extinct 

Extinct 

Extinct 

X 

X

VU 

taxonomists 

lumped these

Scientific name Common name PEP USFWS Status IUCN Status ...

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