Listed Plants

947 Records

Parameters:
  • Group Type: Plants
  • Listing Statuses: Endangered, Threatened, Emergency Listing, Endangered, Emergency Listing, Threatened, Experimental Population, Essential, Experimental Population, Non-Essential, Similarity of Appearance (Endangered), Similarity of Appearance (Threatened)
Scientific Name Common Name Family Species Group Federal Listing Status Where Listed
Abies guatemalensis Guatemalan Fir (=pinabete) Pinaceae Conifers and Cycads Threatened Wherever found
Abronia macrocarpa Large-fruited sand-verbena Nyctaginaceae Flowering Plants Endangered Wherever found
Abutilon eremitopetalum No common name Malvaceae Flowering Plants Endangered Wherever found
Abutilon menziesii Ko`oloa`ula Malvaceae Flowering Plants Endangered Wherever found
Abutilon sandwicense No common name Malvaceae Flowering Plants Endangered Wherever found
Acaena exigua Liliwai Rosaceae Flowering Plants Endangered Wherever found
Acanthomintha ilicifolia San Diego thornmint Lamiaceae Flowering Plants Threatened Wherever found
Acanthomintha obovata ssp. duttonii San Mateo thornmint Lamiaceae Flowering Plants Endangered Wherever found
Achyranthes mutica No common name Amaranthaceae Flowering Plants Endangered Wherever found
Achyranthes splendens var. rotundata Round-leaved chaff-flower Amaranthaceae Flowering Plants Endangered Wherever found
Acmispon dendroideus var. traskiae (=Lotus d. ssp. traskiae) San Clemente Island lotus (=broom) Fabaceae Flowering Plants Threatened Wherever found
Aconitum noveboracense Northern wild monkshood Ranunculaceae Flowering Plants Threatened Wherever found
Adenophorus periens Pendant kihi fern Polypodiaceae Ferns and Allies Endangered Wherever found
Adiantum vivesii No common name Adiantaceae Ferns and Allies Endangered Wherever found
Aeschynomene virginica Sensitive joint-vetch Fabaceae Flowering Plants Threatened Wherever found
Agalinis acuta Sandplain gerardia Scrophulariaceae Flowering Plants Endangered Wherever found
Agave eggersiana No common name Agavaceae Flowering Plants Endangered Wherever found
Alectryon macrococcus Mahoe Sapindaceae Flowering Plants Endangered Wherever found
Allium munzii Munz's onion Liliaceae Flowering Plants Endangered Wherever found
Alopecurus aequalis var. sonomensis Sonoma alopecurus Poaceae Flowering Plants Endangered Wherever found
Amaranthus brownii No common name Amaranthaceae Flowering Plants Endangered Wherever found
Amaranthus pumilus Seabeach amaranth Amaranthaceae Flowering Plants Threatened Wherever found
Ambrosia cheiranthifolia South Texas ambrosia Asteraceae Flowering Plants Endangered Wherever found
Ambrosia pumila San Diego ambrosia Asteraceae Flowering Plants Endangered Wherever found
Amorpha crenulata Crenulate lead-plant Fabaceae Flowering Plants Endangered Wherever found
Amphianthus pusillus Little amphianthus Scrophulariaceae Flowering Plants Threatened Wherever found
Amsinckia grandiflora Large-flowered fiddleneck Boraginaceae Flowering Plants Endangered Wherever found
Amsonia kearneyana Kearney's blue-star Apocynaceae Flowering Plants Endangered Wherever found
Apios priceana Price's potato-bean Fabaceae Flowering Plants Threatened Entire
Arabis georgiana Georgia rockcress Brassicaceae Flowering Plants Threatened Wherever found
Arabis hoffmannii Hoffmann's rock-cress Brassicaceae Flowering Plants Endangered Wherever found
Arabis macdonaldiana McDonald's rock-cress Brassicaceae Flowering Plants Endangered Wherever found
Arabis perstellata Braun's rock-cress Brassicaceae Flowering Plants Endangered Wherever found
Arabis serotina Shale barren rock cress Brassicaceae Flowering Plants Endangered Wherever found
Arctomecon humilis Dwarf Bear-poppy Papaveraceae Flowering Plants Endangered Wherever found
Arctostaphylos confertiflora Santa Rosa Island manzanita Ericaceae Flowering Plants Endangered Wherever found
Arctostaphylos franciscana Franciscan manzanita Ericaceae Flowering Plants Endangered Wherever found
Arctostaphylos glandulosa ssp. crassifolia Del Mar manzanita Ericaceae Flowering Plants Endangered Wherever found
Arctostaphylos hookeri var. ravenii Presidio Manzanita Ericaceae Flowering Plants Endangered Wherever found
Arctostaphylos morroensis Morro manzanita Ericaceae Flowering Plants Threatened Wherever found
Arctostaphylos myrtifolia Ione manzanita Ericaceae Flowering Plants Threatened Wherever found
Arctostaphylos pallida Pallid manzanita Ericaceae Flowering Plants Threatened Wherever found
Arenaria cumberlandensis Cumberland sandwort Caryophyllaceae Flowering Plants Endangered Wherever found
Arenaria paludicola Marsh Sandwort Caryophyllaceae Flowering Plants Endangered Wherever found
Arenaria ursina Bear Valley sandwort Caryophyllaceae Flowering Plants Threatened Wherever found
Argemone pleiacantha ssp. pinnatisecta Sacramento prickly poppy Papaveraceae Flowering Plants Endangered Wherever found
Argyroxiphium kauense Mauna Loa (=Ka'u) silversword Asteraceae Flowering Plants Endangered Wherever found
Argyroxiphium sandwicense ssp. macrocephalum `Ahinahina Asteraceae Flowering Plants Threatened Wherever found
Argyroxiphium sandwicense ssp. sandwicense `Ahinahina Asteraceae Flowering Plants Endangered Wherever found
Argythamnia blodgettii Blodgett's silverbush Euphorbiaceae Flowering Plants Threatened Wherever found
Aristida chaseae No common name Poaceae Flowering Plants Endangered Wherever found
Aristida portoricensis Pelos del diablo Poaceae Flowering Plants Endangered Wherever found
Asclepias meadii Mead's milkweed Asclepiadaceae Flowering Plants Threatened Wherever found
Asclepias welshii Welsh's milkweed Asclepiadaceae Flowering Plants Threatened Wherever found
Asimina tetramera Four-petal pawpaw Annonaceae Flowering Plants Endangered Wherever found
Asplenium dielerectum Asplenium-leaved diellia Aspleniaceae Ferns and Allies Endangered Wherever found
Asplenium dielfalcatum No common name Aspleniaceae Ferns and Allies Endangered Wherever found
Asplenium diellaciniatum No common name Aspleniaceae Ferns and Allies Endangered Wherever found
Asplenium dielmannii No common name Aspleniaceae Ferns and Allies Endangered Wherever found
Asplenium dielpallidum No common name Aspleniaceae Ferns and Allies Endangered Wherever found
Asplenium peruvianum var. insulare No common name Aspleniaceae Ferns and Allies Endangered Wherever found
Asplenium scolopendrium var. americanum American hart's-tongue fern Aspleniaceae Ferns and Allies Threatened Wherever found
Asplenium unisorum No common name Aspleniaceae Ferns and Allies Endangered Wherever found
Astelia waialealae Pa`iniu Liliaceae Flowering Plants Endangered Wherever found
Astragalus albens Cushenbury milk-vetch Fabaceae Flowering Plants Endangered Wherever found
Astragalus ampullarioides Shivwits milk-vetch Fabaceae Flowering Plants Endangered Wherever found
Astragalus applegatei Applegate's milk-vetch Fabaceae Flowering Plants Endangered Wherever found
Astragalus bibullatus Guthrie's (=Pyne's) ground-plum Fabaceae Flowering Plants Endangered Wherever found
Astragalus brauntonii Braunton's milk-vetch Fabaceae Flowering Plants Endangered Wherever found
Astragalus clarianus Clara Hunt's milk-vetch Fabaceae Flowering Plants Endangered Wherever found
Astragalus cremnophylax var. cremnophylax Sentry milk-vetch Fabaceae Flowering Plants Endangered Wherever found
Astragalus holmgreniorum Holmgren milk-vetch Fabaceae Flowering Plants Endangered Wherever found
Astragalus humillimus Mancos milk-vetch Fabaceae Flowering Plants Endangered Wherever found
Astragalus jaegerianus Lane Mountain milk-vetch Fabaceae Flowering Plants Endangered Wherever found
Astragalus lentiginosus var. coachellae Coachella Valley milk-vetch Fabaceae Flowering Plants Endangered Wherever found
Astragalus lentiginosus var. piscinensis Fish Slough milk-vetch Fabaceae Flowering Plants Threatened Wherever found
Astragalus magdalenae var. peirsonii Peirson's milk-vetch Fabaceae Flowering Plants Threatened Wherever found
Astragalus montii Heliotrope milk-vetch Fabaceae Flowering Plants Threatened Wherever found
Astragalus osterhoutii Osterhout milkvetch Fabaceae Flowering Plants Endangered Wherever found
Astragalus phoenix Ash meadows milk-vetch Fabaceae Flowering Plants Threatened Wherever found
Astragalus pycnostachyus var. lanosissimus Ventura Marsh Milk-vetch Fabaceae Flowering Plants Endangered Wherever found
Astragalus robbinsii var. jesupi Jesup's milk-vetch Fabaceae Flowering Plants Endangered Wherever found
Astragalus tener var. titi Coastal dunes milk-vetch Fabaceae Flowering Plants Endangered Wherever found
Astragalus tricarinatus Triple-ribbed milk-vetch Fabaceae Flowering Plants Endangered Wherever found
Astrophytum asterias Star cactus Cactaceae Flowering Plants Endangered Wherever found
Atriplex coronata var. notatior San Jacinto Valley crownscale Chenopodiaceae Flowering Plants Endangered Wherever found
Auerodendron pauciflorum No common name Rhamnaceae Flowering Plants Endangered Wherever found
Ayenia limitaris Texas ayenia Sterculiaceae Flowering Plants Endangered Wherever found
Baccharis vanessae Encinitas baccharis Asteraceae Flowering Plants Threatened Wherever found
Banara vanderbiltii Palo de ramon Flacourtiaceae Flowering Plants Endangered Wherever found
Baptisia arachnifera Hairy rattleweed Fabaceae Flowering Plants Endangered Wherever found
Berberis nevinii Nevin's barberry Berberidaceae Flowering Plants Endangered Wherever found
Berberis pinnata ssp. insularis Island Barberry Berberidaceae Flowering Plants Endangered Wherever found
Betula uber Virginia round-leaf birch Betulaceae Flowering Plants Threatened Wherever found
Bidens amplectens Ko`oko`olau Asteraceae Flowering Plants Endangered Wherever found
Bidens campylotheca ssp. pentamera Ko`oko`olau Asteraceae Flowering Plants Endangered Wherever found
Bidens campylotheca ssp. waihoiensis Ko`oko`olau Asteraceae Flowering Plants Endangered Wherever found
Bidens conjuncta Ko`oko`olau Asteraceae Flowering Plants Endangered Wherever found
Bidens hillebrandiana ssp. hillebrandiana kookoolau Asteraceae Flowering Plants Endangered Wherever found
Bidens micrantha ssp. ctenophylla Ko`oko`olau Asteraceae Flowering Plants Endangered Wherever found
Bidens micrantha ssp. kalealaha Ko`oko`olau Asteraceae Flowering Plants Endangered Wherever found
Bidens wiebkei Ko`oko`olau Asteraceae Flowering Plants Endangered Wherever found
Blennosperma bakeri Sonoma sunshine Asteraceae Flowering Plants Endangered Wherever found
Boltonia decurrens Decurrent false aster Asteraceae Flowering Plants Threatened Wherever found
Bonamia grandiflora Florida bonamia Convolvulaceae Flowering Plants Threatened Wherever found
Bonamia menziesii No common name Convolvulaceae Flowering Plants Endangered Wherever found
Brickellia mosieri Florida brickell-bush Asteraceae Flowering Plants Endangered Wherever found
Brighamia insignis Olulu Campanulaceae Flowering Plants Endangered Wherever found
Brighamia rockii Pua `ala Campanulaceae Flowering Plants Endangered Wherever found
Brodiaea filifolia Thread-leaved brodiaea Liliaceae Flowering Plants Threatened Wherever found
Brodiaea pallida Chinese Camp brodiaea Liliaceae Flowering Plants Threatened Wherever found
Bulbophyllum guamense Cebello halumtano Orchidaceae Flowering Plants Threatened Wherever found
Buxus vahlii Vahl's boxwood Buxaceae Flowering Plants Endangered Wherever found
Calamagrostis expansa Maui reedgrass Poaceae Flowering Plants Endangered Wherever found
Calamagrostis hillebrandii Hillegrand's reedgrass Poaceae Flowering Plants Endangered Wherever found
Callicarpa ampla Capa rosa Verbenaceae Flowering Plants Endangered Wherever found
Callirhoe scabriuscula Texas poppy-mallow Malvaceae Flowering Plants Endangered Wherever found
Calochortus tiburonensis Tiburon mariposa lily Liliaceae Flowering Plants Threatened Wherever found
Calyptranthes thomasiana No common name Myrtaceae Flowering Plants Endangered Wherever found
Calyptridium pulchellum Mariposa pussypaws Portulacaceae Flowering Plants Threatened Wherever found
Calyptronoma rivalis Palma de manaca Arecaceae Flowering Plants Threatened Wherever found
Calystegia stebbinsii Stebbins' morning-glory Convolvulaceae Flowering Plants Endangered Wherever found
Camissonia benitensis San Benito evening-primrose Onagraceae Flowering Plants Threatened Wherever found
Campanula robinsiae Brooksville bellflower Campanulaceae Flowering Plants Endangered Wherever found
Canavalia molokaiensis `Awikiwiki Fabaceae Flowering Plants Endangered Wherever found
Canavalia napaliensis `Awikiwiki Fabaceae Flowering Plants Endangered Wherever found
Canavalia pubescens `Awikiwiki Fabaceae Flowering Plants Endangered Wherever found
Cardamine micranthera Small-anthered bittercress Brassicaceae Flowering Plants Endangered Wherever found
Carex albida White sedge Cyperaceae Flowering Plants Endangered Wherever found
Carex lutea Golden sedge Cyperaceae Flowering Plants Endangered Wherever found
Carex specuicola Navajo sedge Cyperaceae Flowering Plants Threatened Wherever found
Castilleja affinis ssp. neglecta Tiburon paintbrush Scrophulariaceae Flowering Plants Endangered Wherever found
Castilleja campestris ssp. succulenta Fleshy owl's-clover Scrophulariaceae Flowering Plants Threatened Wherever found
Castilleja cinerea Ash-grey paintbrush Scrophulariaceae Flowering Plants Threatened Wherever found
Castilleja grisea San Clemente Island Paintbrush Scrophulariaceae Flowering Plants Threatened Wherever found
Castilleja levisecta golden paintbrush Orobanchaceae Flowering Plants Threatened Wherever found
Castilleja mollis Soft-leaved paintbrush Scrophulariaceae Flowering Plants Endangered Wherever found
Catesbaea melanocarpa No common name Rubiaceae Flowering Plants Endangered Wherever found
Caulanthus californicus California jewelflower Brassicaceae Flowering Plants Endangered Wherever found
Ceanothus ferrisae Coyote ceanothus Rhamnaceae Flowering Plants Endangered Wherever found
Ceanothus ophiochilus Vail Lake ceanothus Rhamnaceae Flowering Plants Threatened Wherever found
Ceanothus roderickii Pine Hill ceanothus Rhamnaceae Flowering Plants Endangered Wherever found
Cenchrus agrimonioides Kamanomano Poaceae Flowering Plants Endangered Wherever found
Centaurium namophilum Spring-loving centaury Gentianaceae Flowering Plants Threatened Wherever found
Cercocarpus traskiae Catalina Island mountain-mahogany Rosaceae Flowering Plants Endangered Wherever found
Cereus eriophorus var. fragrans Fragrant prickly-apple Cactaceae Flowering Plants Endangered Wherever found
Chamaecrista glandulosa var. mirabilis No common name Fabaceae Flowering Plants Endangered Wherever found
Chamaecrista lineata keyensis Big Pine partridge pea Fabaceae Flowering Plants Endangered Wherever found
Chamaesyce deltoidea pinetorum Pineland sandmat Euphorbiaceae Flowering Plants Threatened Wherever found
Chamaesyce deltoidea serpyllum Wedge spurge Euphorbiaceae Flowering Plants Endangered Wherever found
Chamaesyce deltoidea ssp. deltoidea Deltoid spurge Euphorbiaceae Flowering Plants Endangered Wherever found
Chamaesyce garberi Garber's spurge Euphorbiaceae Flowering Plants Threatened Wherever found
Chamaesyce hooveri Hoover's spurge Euphorbiaceae Flowering Plants Threatened Wherever found
Charpentiera densiflora Papala Amaranthaceae Flowering Plants Endangered Wherever found
Chionanthus pygmaeus Pygmy fringe-tree Oleaceae Flowering Plants Endangered Wherever found
Chlorogalum purpureum Purple amole Agavaceae Flowering Plants Threatened Wherever found
Chorizanthe howellii Howell's spineflower Polygonaceae Flowering Plants Endangered Wherever found
Chorizanthe orcuttiana Orcutt's spineflower Polygonaceae Flowering Plants Endangered Wherever found
Chorizanthe pungens var. hartwegiana Ben Lomond spineflower Polygonaceae Flowering Plants Endangered Wherever found
Chorizanthe pungens var. pungens Monterey spineflower Polygonaceae Flowering Plants Threatened Wherever found
Chorizanthe robusta var. hartwegii Scotts Valley spineflower Polygonaceae Flowering Plants Endangered Wherever found
Chorizanthe robusta var. robusta Robust spineflower Polygonaceae Flowering Plants Endangered Wherever found
Chorizanthe valida Sonoma spineflower Polygonaceae Flowering Plants Endangered Wherever found
Chromolaena frustrata Cape Sable Thoroughwort Asteraceae Flowering Plants Endangered Wherever found
Chrysopsis floridana Florida golden aster Asteraceae Flowering Plants Endangered Wherever found
Cirsium fontinale var. fontinale Fountain thistle Asteraceae Flowering Plants Endangered Wherever found
Cirsium fontinale var. obispoense Chorro Creek bog thistle Asteraceae Flowering Plants Endangered Wherever found
Cirsium hydrophilum var. hydrophilum Suisun thistle Asteraceae Flowering Plants Endangered Wherever found
Cirsium loncholepis La Graciosa thistle Asteraceae Flowering Plants Endangered Wherever found
Cirsium pitcheri Pitcher's thistle Asteraceae Flowering Plants Threatened Wherever found
Cirsium vinaceum Sacramento Mountains thistle Asteraceae Flowering Plants Threatened Wherever found
Cladonia perforata Florida perforate cladonia Cladoniaceae Lichens Endangered Wherever found
Clarkia franciscana Presidio clarkia Onagraceae Flowering Plants Endangered Wherever found
Clarkia imbricata Vine Hill clarkia Onagraceae Flowering Plants Endangered Wherever found
Clarkia speciosa ssp. immaculata Pismo clarkia Onagraceae Flowering Plants Endangered Wherever found
Clarkia springvillensis Springville clarkia Onagraceae Flowering Plants Threatened Wherever found
Clematis morefieldii Morefield's leather flower Ranunculaceae Flowering Plants Endangered Entire
Clematis socialis Alabama leather flower Ranunculaceae Flowering Plants Endangered Wherever found
Clermontia drepanomorpha `Oha wai Campanulaceae Flowering Plants Endangered Wherever found
Clermontia lindseyana `Oha wai Campanulaceae Flowering Plants Endangered Wherever found
Clermontia oblongifolia ssp. brevipes `Oha wai Campanulaceae Flowering Plants Endangered Wherever found
Clermontia oblongifolia ssp. mauiensis `Oha wai Campanulaceae Flowering Plants Endangered Wherever found
Clermontia peleana `Oha wai Campanulaceae Flowering Plants Endangered Wherever found
Clermontia pyrularia `Oha wai Campanulaceae Flowering Plants Endangered Wherever found
Clermontia samuelii `Oha wai Campanulaceae Flowering Plants Endangered Wherever found
Clitoria fragrans Pigeon wings Fabaceae Flowering Plants Threatened Wherever found
Colubrina oppositifolia Kauila Rhamnaceae Flowering Plants Endangered Wherever found
Conradina brevifolia Short-leaved rosemary Lamiaceae Flowering Plants Endangered Wherever found
Conradina etonia Etonia rosemary Lamiaceae Flowering Plants Endangered Wherever found
Conradina glabra Apalachicola rosemary Lamiaceae Flowering Plants Endangered Wherever found
Conradina verticillata Cumberland rosemary Lamiaceae Flowering Plants Threatened Wherever found
Consolea corallicola Florida semaphore Cactus Cactaceae Flowering Plants Endangered Wherever found
Cordia bellonis No common name Boraginaceae Flowering Plants Endangered Wherever found
Cordylanthus maritimus ssp. maritimus Salt marsh bird's-beak Scrophulariaceae Flowering Plants Endangered Wherever found
Cordylanthus mollis ssp. mollis Soft bird's-beak Scrophulariaceae Flowering Plants Endangered Wherever found
Cordylanthus palmatus Palmate-bracted bird's beak Scrophulariaceae Flowering Plants Endangered Wherever found
Cordylanthus tenuis ssp. capillaris Pennell's bird's-beak Scrophulariaceae Flowering Plants Endangered Wherever found
Cornutia obovata Palo de nigua Verbenaceae Flowering Plants Endangered Wherever found
Coryphantha minima Nellie cory cactus Cactaceae Flowering Plants Endangered Wherever found
Coryphantha ramillosa Bunched cory cactus Cactaceae Flowering Plants Threatened Wherever found
Coryphantha robbinsiorum Cochise pincushion cactus Cactaceae Flowering Plants Threatened Wherever found
Coryphantha scheeri var. robustispina Pima pineapple cactus Cactaceae Flowering Plants Endangered Wherever found
Coryphantha sneedii var. leei Lee pincushion cactus Cactaceae Flowering Plants Threatened Wherever found
Coryphantha sneedii var. sneedii Sneed pincushion cactus Cactaceae Flowering Plants Endangered Wherever found
Cranichis ricartii No common name Orchidaceae Flowering Plants Endangered Wherever found
Crescentia portoricensis Higuero de sierra Bignoniaceae Flowering Plants Endangered Wherever found
Crotalaria avonensis Avon Park harebells Fabaceae Flowering Plants Endangered Wherever found
Cryptantha crassipes Terlingua Creek cat's-eye Boraginaceae Flowering Plants Endangered Wherever found
Ctenitis squamigera Pauoa Aspleniaceae Ferns and Allies Endangered Wherever found
Cucurbita okeechobeensis ssp. okeechobeensis Okeechobee gourd Cucurbitaceae Flowering Plants Endangered Wherever found
Cupressus abramsiana Santa Cruz cypress Cupressaceae Conifers and Cycads Threatened Wherever found
Cupressus goveniana ssp. goveniana Gowen cypress Cupressaceae Conifers and Cycads Threatened Wherever found
Cyanea acuminata Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea asarifolia Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea asplenifolia Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea calycina Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea copelandii ssp. copelandii Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea copelandii ssp. haleakalaensis Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea crispa haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea dolichopoda Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea dunbariae haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea duvalliorum haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea eleeleensis Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea gibsonii haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea glabra Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea grimesiana ssp. grimesiana Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea grimesiana ssp. obatae Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea hamatiflora ssp. carlsonii Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea hamatiflora ssp. hamatiflora Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea horrida haha nui Campanulaceae Flowering Plants Endangered Wherever found
Cyanea humboldtiana Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea kauaulaensis No common name Campanulaceae Flowering Plants Endangered Wherever found
Cyanea kolekoleensis Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea koolauensis Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea kuhihewa Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea kunthiana Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea lanceolata Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea lobata Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea longiflora Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea magnicalyx haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea mannii Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea maritae haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea marksii Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea mauiensis haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea mceldowneyi Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea munroi haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea obtusa Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea pinnatifida Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea platyphylla `aku`aku Campanulaceae Flowering Plants Endangered Wherever found
Cyanea procera Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea profuga Haha Campanlaceae Flowering Plants Endangered Wherever found
Cyanea purpurellifolia Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea recta Haha Campanulaceae Flowering Plants Threatened Wherever found
Cyanea remyi Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea rivularis Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea shipmanii Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea solanacea Popolo Campanulaceae Flowering Plants Endangered Wherever found
Cyanea stictophylla Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea st.-johnii Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea superba Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea tritomantha `aku Campanulaceae Flowering Plants Endangered Wherever found
Cyanea truncata Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyanea undulata Haha Campanulaceae Flowering Plants Endangered Wherever found
Cyathea dryopteroides Elfin tree fern Cyatheaceae Ferns and Allies Endangered Wherever found
Cycas micronesica Fadang Cycadaceae Conifers and Cycads Threatened Wherever found
Cycladenia humilis var. jonesii Jones Cycladenia Apocynaceae Flowering Plants Threatened Wherever found
Cyclosorus boydiae Kupukupu makalii Thelypteridaceae Ferns and Allies Endangered Wherever found
Cyperus fauriei No common name Cyperaceae Flowering Plants Endangered Wherever found
Cyperus neokunthianus No common name Cyperaceae Flowering Plants Endangered Wherever found
Cyperus pennatiformis No common name Cyperaceae Flowering Plants Endangered Wherever found
Cyperus trachysanthos Pu`uka`a Cyperaceae Flowering Plants Endangered Wherever found
Cyrtandra crenata Ha`iwale Gesneriaceae Flowering Plants Endangered Wherever found
Cyrtandra cyaneoides Mapele Gesneriaceae Flowering Plants Endangered Wherever found
Cyrtandra dentata Ha`iwale Gesneriaceae Flowering Plants Endangered Wherever found
Cyrtandra ferripilosa haiwale Gesneriaceae Flowering Plants Endangered Wherever found
Cyrtandra filipes Ha`iwale Gesneriaceae Flowering Plants Endangered Wherever found
Cyrtandra giffardii Ha`iwale Gesneriaceae Flowering Plants Endangered Wherever found
Cyrtandra gracilis Haiwale Gesneriaceae Flowering Plants Endangered Wherever found
Cyrtandra hematos Ha`iwale Gesneriaceae Flowering Plants Endangered Wherever found
Cyrtandra kaulantha Ha`iwale Gesneriaceae Flowering Plants Endangered Wherever found
Cyrtandra limahuliensis Ha`iwale Gesneriaceae Flowering Plants Threatened Wherever found
Cyrtandra munroi Ha`iwale Gesneriaceae Flowering Plants Endangered Wherever found
Cyrtandra nanawaleensis haiwale Gesneriaceae Flowering Plants Endangered Wherever found
Cyrtandra oenobarba Ha`iwale Gesneriaceae Flowering Plants Endangered Wherever found
Cyrtandra oxybapha Ha`iwale Gesneriaceae Flowering Plants Endangered Wherever found
Cyrtandra paliku Haiwale Gesneriaceae Flowering Plants Endangered Wherever found
Cyrtandra polyantha Ha`iwale Gesneriaceae Flowering Plants Endangered Wherever found
Cyrtandra sessilis Ha`iwale Gesneriaceae Flowering Plants Endangered Wherever found
Cyrtandra subumbellata Ha`iwale Gesneriaceae Flowering Plants Endangered Wherever found
Cyrtandra tintinnabula Ha`iwale Gesneriaceae Flowering Plants Endangered Wherever found
Cyrtandra viridiflora Ha`iwale Gesneriaceae Flowering Plants Endangered Wherever found
Cyrtandra wagneri haiwale Gesneriaceae Flowering Plants Endangered Wherever found
Cyrtandra waiolani Haiwale Gesneriaceae Flowering Plants Endangered Wherever found
Dalea carthagenensis floridana Florida prairie-clover Fabaceae Flowering Plants Endangered Wherever found
Dalea foliosa Leafy prairie-clover Fabaceae Flowering Plants Endangered Wherever found
Daphnopsis hellerana No common name Thymelaeaceae Flowering Plants Endangered Wherever found
Deeringothamnus pulchellus Beautiful pawpaw Annonaceae Flowering Plants Endangered Wherever found
Deeringothamnus rugelii Rugel's pawpaw Annonaceae Flowering Plants Endangered Wherever found
Deinandra (=Hemizonia) conjugens Otay tarplant Asteraceae Flowering Plants Threatened Wherever found
Deinandra increscens ssp. villosa Gaviota Tarplant Asteraceae Flowering Plants Endangered Wherever found
Delissea rhytidosperma No common name Campanulaceae Flowering Plants Endangered Wherever found
Delissea subcordata Oha Campanulaceae Flowering Plants Endangered Wherever found
Delissea undulata No common name Campanulaceae Flowering Plants Endangered Wherever found
Delphinium bakeri Baker's larkspur Ranunculaceae Flowering Plants Endangered Wherever found
Delphinium luteum Yellow larkspur Ranunculaceae Flowering Plants Endangered Wherever found
Delphinium variegatum ssp. kinkiense San Clemente Island larkspur Ranunculaceae Flowering Plants Endangered Wherever found
Dendrobium guamense No common name Orchidaceae Flowering Plants Threatened Wherever found
Deparia kaalaana No common name Woodsiaceae Ferns and Allies Endangered Wherever found
Dicerandra christmanii Garrett's mint Lamiaceae Flowering Plants Endangered Wherever found
Dicerandra cornutissima Longspurred mint Lamiaceae Flowering Plants Endangered Wherever found
Dicerandra frutescens Scrub mint Lamiaceae Flowering Plants Endangered Wherever found
Dicerandra immaculata Lakela's mint Lamiaceae Flowering Plants Endangered Wherever found
Digitaria pauciflora Florida pineland crabgrass Poaceae Flowering Plants Threatened Wherever found
Diplacus vandenbergensis Vandenberg monkeyflower Phrymaceae Flowering Plants Endangered Wherever found
Diplazium molokaiense No common name Woosiaceae Ferns and Allies Endangered Wherever found
Dodecahema leptoceras Slender-horned spineflower Polygonaceae Flowering Plants Endangered Wherever found
Doryopteris angelica No common name Pteridaceae Ferns and Allies Endangered Wherever found
Doryopteris takeuchii No common name Pteridaceae Ferns and Allies Endangered Wherever found
Dryopteris crinalis var. podosorus Palapalai aumakua Dryopteridaceae Ferns and Allies Endangered Wherever found
Dryopteris glabra var. pusilla Hohiu Dryopteridaceae Ferns and Allies Endangered Wherever found
Dubautia herbstobatae Na`ena`e Asteraceae Flowering Plants Endangered Wherever found
Dubautia imbricata ssp. imbricata Na`ena`e Asteraceae Flowering Plants Endangered Wherever found
Dubautia kalalauensis Naenae Asteraceae Flowering Plants Endangered Wherever found
Dubautia kenwoodii Naenae Asteraceae Flowering Plants Endangered Wherever found
Dubautia latifolia Koholapehu Asteraceae Flowering Plants Endangered Wherever found
Dubautia pauciflorula Na`ena`e Asteraceae Flowering Plants Endangered Wherever found
Dubautia plantaginea ssp. humilis Na`ena`e Asteraceae Flowering Plants Endangered Wherever found
Dubautia plantaginea ssp. magnifolia Na`ena`e Asteraceae Flowering Plants Endangered Wherever found
Dubautia waialealae Na`ena`e Asteraceae Flowering Plants Endangered Wherever found
Dudleya abramsii ssp. parva Conejo dudleya Crassulaceae Flowering Plants Threatened Wherever found
Dudleya cymosa ssp. marcescens Marcescent dudleya Crassulaceae Flowering Plants Threatened Wherever found
Dudleya cymosa ssp. ovatifolia Santa Monica Mountains dudleyea Crassulaceae Flowering Plants Threatened Wherever found
Dudleya nesiotica Santa Cruz Island dudleya Crassulaceae Flowering Plants Threatened Wherever found
Dudleya setchellii Santa Clara Valley dudleya Crassulaceae Flowering Plants Endangered Wherever found
Dudleya stolonifera Laguna Beach liveforever Crassulaceae Flowering Plants Threatened Wherever found
Dudleya traskiae Santa Barbara Island liveforever Crassulaceae Flowering Plants Endangered Wherever found
Dudleya verityi Verity's dudleya Crassulaceae Flowering Plants Threatened Wherever found
Echinacea laevigata Smooth coneflower Asteraceae Flowering Plants Endangered Wherever found
Echinocactus horizonthalonius var. nicholii Nichol's Turk's head cactus Cactaceae Flowering Plants Endangered Wherever found
Echinocereus chisoensis var. chisoensis Chisos Mountain hedgehog Cactus Cactaceae Flowering Plants Threatened Wherever found
Echinocereus fendleri var. kuenzleri Kuenzler hedgehog cactus Cactaceae Flowering Plants Threatened Wherever found
Echinocereus reichenbachii var. albertii Black lace cactus Cactaceae Flowering Plants Endangered Wherever found
Echinocereus triglochidiatus var. arizonicus Arizona hedgehog cactus Cactaceae Flowering Plants Endangered Wherever found
Echinocereus viridiflorus var. davisii Davis' green pitaya Cactaceae Flowering Plants Endangered Wherever found
Echinomastus erectocentrus var. acunensis Acuna Cactus Cactaceae Flowering Plants Endangered Wherever found
Echinomastus mariposensis Lloyd's Mariposa cactus Cactaceae Flowering Plants Threatened Wherever found
Elaphoglossum serpens No common name Lomariopsidaceae Ferns and Allies Endangered Wherever found
Enceliopsis nudicaulis var. corrugata Ash Meadows sunray Asteraceae Flowering Plants Threatened Wherever found
Eragrostis fosbergii Fosberg's love grass Poaceae Flowering Plants Endangered Wherever found
Eremalche kernensis Kern mallow Malvaceae Flowering Plants Endangered Wherever found
Eriastrum densifolium ssp. sanctorum Santa Ana River woolly-star Polemoniaceae Flowering Plants Endangered Wherever found
Erigeron decumbens Willamette daisy Asteraceae Flowering Plants Endangered Wherever found
Erigeron parishii Parish's daisy Asteraceae Flowering Plants Threatened Wherever found
Erigeron rhizomatus Zuni fleabane Asteraceae Flowering Plants Threatened Wherever found
Eriodictyon altissimum Indian Knob mountainbalm Boraginaceae Flowering Plants Endangered Wherever found
Eriodictyon capitatum Lompoc yerba santa Hydrophyllaceae Flowering Plants Endangered Wherever found
Eriogonum apricum (incl. var. prostratum) Ione (incl. Irish Hill) buckwheat Polygonaceae Flowering Plants Endangered Wherever found
Eriogonum codium Umtanum Desert buckwheat Polygonaceae Flowering Plants Threatened Wherever found
Eriogonum gypsophilum Gypsum wild-buckwheat Polygonaceae Flowering Plants Threatened Wherever found
Eriogonum kennedyi var. austromontanum Southern mountain wild-buckwheat Polygonaceae Flowering Plants Threatened Wherever found
Eriogonum longifolium var. gnaphalifolium Scrub buckwheat Polygonaceae Flowering Plants Threatened Wherever found
Eriogonum ovalifolium var. vineum Cushenbury buckwheat Polygonaceae Flowering Plants Endangered Wherever found
Eriogonum ovalifolium var. williamsiae Steamboat buckwheat Polygonaceae Flowering Plants Endangered Wherever found
Eriogonum pelinophilum Clay-Loving wild buckwheat Polygonaceae Flowering Plants Endangered Wherever found
Eriophyllum latilobum San Mateo woolly sunflower Asteraceae Flowering Plants Endangered Wherever found
Eryngium aristulatum var. parishii San Diego button-celery Apiaceae Flowering Plants Endangered Wherever found
Eryngium constancei Loch Lomond coyote thistle Apiaceae Flowering Plants Endangered Wherever found
Eryngium cuneifolium Snakeroot Apiaceae Flowering Plants Endangered Wherever found
Erysimum capitatum var. angustatum Contra Costa wallflower Brassicaceae Flowering Plants Endangered Wherever found
Erysimum menziesii Menzies' wallflower Brassicaceae Flowering Plants Endangered Wherever found
Erysimum teretifolium Ben Lomond wallflower Brassicaceae Flowering Plants Endangered Wherever found
Erythronium propullans Minnesota dwarf trout lily Liliaceae Flowering Plants Endangered Wherever found
Eugenia bryanii No common name Myrtaceae Flowering Plants Endangered Wherever found
Eugenia haematocarpa Uvillo Myrtaceae Flowering Plants Endangered Wherever found
Eugenia koolauensis Nioi Myrtaceae Flowering Plants Endangered Wherever found
Eugenia woodburyana No common name Myrtaceae Flowering Plants Endangered Wherever found
Euphorbia celastroides var. kaenana `Akoko Euphorbiaceae Flowering Plants Endangered Wherever found
Euphorbia deppeana `Akoko Euphorbiaceae Flowering Plants Endangered Wherever found
Euphorbia eleanoriae `Akoko Euphorbiaceae Flowering Plants Endangered Wherever found
Euphorbia haeleeleana `Akoko Euphorbiaceae Flowering Plants Endangered Wherever found
Euphorbia halemanui ''Akoko Euphorbiaceae Flowering Plants Endangered Wherever found
Euphorbia herbstii `Akoko Euphorbiaceae Flowering Plants Endangered Wherever found
Euphorbia kuwaleana `Akoko Euphorbiaceae Flowering Plants Endangered Wherever found
Euphorbia remyi var. kauaiensis `Akoko Euphorbiaceae Flowering Plants Endangered Wherever found
Euphorbia remyi var. remyi `Akoko Euphorbiaceae Flowering Plants Endangered Wherever found
Euphorbia rockii `Akoko Euphorbiaceae Flowering Plants Endangered Wherever found
Euphorbia skottsbergii var. skottsbergii Ewa Plains `akoko Euphorbiaceae Flowering Plants Endangered Wherever found
Euphorbia telephioides Telephus spurge Euphorbiaceae Flowering Plants Threatened Wherever found
Eutrema penlandii Penland alpine fen mustard Brassicaceae Flowering Plants Threatened Wherever found
Exocarpos luteolus Heau Santalaceae Flowering Plants Endangered Wherever found
Exocarpos menziesii Heau Santalaceae Flowering Plants Endangered Entire
Festuca hawaiiensis No common name Poaceae Flowering Plants Endangered Wherever found
Festuca ligulata Guadalupe fescue Poaceae Flowering Plants Endangered Wherever found
Festuca molokaiensis No common name Poaceae Flowering Plants Endangered Wherever found
Fitzroya cupressoides Chilean false larch Cupressaceae Conifers and Cycads Threatened Wherever found
Flueggea neowawraea Mehamehame Phyllanthaceae Flowering Plants Endangered Wherever found
Fremontodendron californicum ssp. decumbens Pine Hill flannelbush Sterculiaceae Flowering Plants Endangered Wherever found
Fremontodendron mexicanum Mexican flannelbush Sterculiaceae Flowering Plants Endangered Wherever found
Fritillaria gentneri Gentner's Fritillary Liliaceae Flowering Plants Endangered Wherever found
Galactia smallii Small's milkpea Fabaceae Flowering Plants Endangered Wherever found
Galium buxifolium Island bedstraw Rubiaceae Flowering Plants Endangered Wherever found
Galium californicum ssp. sierrae El Dorado bedstraw Rubiaceae Flowering Plants Endangered Wherever found
Gardenia brighamii Hawaiian gardenia (=Na`u) Rubiaceae Flowering Plants Endangered Wherever found
Gardenia mannii Nanu Rubiaceae Flowering Plants Endangered Wherever found
Gardenia remyi Nanu Rubiaceae Flowering Plants Endangered Wherever found
Gaura neomexicana var. coloradensis Colorado Butterfly plant Onagraceae Flowering Plants Threatened Wherever found
Geocarpon minimum No common name Caryophyllaceae Flowering Plants Threatened Wherever found
Geranium arboreum Nohoanu Geraniaceae Flowering Plants Endangered Wherever found
Geranium hanaense Nohoanu Geraniaceae Flowering Plants Endangered Wherever found
Geranium hillebrandii Nohoanu Geraniaceae Flowering Plants Endangered Wherever found
Geranium kauaiense Nohoanu Geraniaceae Flowering Plants Endangered Wherever found
Geranium multiflorum Nohoanu Geraniaceae Flowering Plants Endangered Wherever found
Gesneria pauciflora No common name Gesneriaceae Flowering Plants Threatened Wherever found
Geum radiatum Spreading avens Rosaceae Flowering Plants Endangered Wherever found
Gilia tenuiflora ssp. arenaria Monterey gilia Polemoniaceae Flowering Plants Endangered Wherever found
Gilia tenuiflora ssp. hoffmannii Hoffmann's slender-flowered gilia Polemoniaceae Flowering Plants Endangered Wherever found
Goetzea elegans Beautiful goetzea Solanaceae Flowering Plants Endangered Wherever found
Gonocalyx concolor No common name Ericaceae Flowering Plants Endangered Wherever found
Gouania hillebrandii No common name Rhamnaceae Flowering Plants Endangered Wherever found
Gouania meyenii No common name Rhamnaceae Flowering Plants Endangered Wherever found
Gouania vitifolia No common name Rhamnaceae Flowering Plants Endangered Wherever found
Grindelia fraxinipratensis Ash Meadows gumplant Asteraceae Flowering Plants Threatened Wherever found
Gymnoderma lineare Rock gnome lichen Cladoniaceae Lichens Endangered Wherever found
Hackelia venusta Showy stickseed Boraginaceae Flowering Plants Endangered Wherever found
Halophila johnsonii Johnson's seagrass Hydrocharitaceae Flowering Plants Threatened Wherever found
Haplostachys haplostachya Honohono Lamiaceae Flowering Plants Endangered Wherever found
Harperocallis flava Harper's beauty Liliaceae Flowering Plants Endangered Wherever found
Harrisia (=Cereus) aboriginum (=gracilis) Aboriginal Prickly-apple Cactaceae Flowering Plants Endangered Wherever found
Harrisia portoricensis Higo Chumbo Cactaceae Flowering Plants Threatened Wherever found
Hedeoma todsenii Todsen's pennyroyal Lamiaceae Flowering Plants Endangered Wherever found
Hedyotis megalantha Paudedo Rubiaceae Flowering Plants Endangered Wherever found
Hedyotis purpurea var. montana Roan Mountain bluet Rubiaceae Flowering Plants Endangered Wherever found
Helenium virginicum Virginia sneezeweed Asteraceae Flowering Plants Threatened Wherever found
Helianthemum greenei Island rush-rose Cistaceae Flowering Plants Threatened Wherever found
Helianthus paradoxus Pecos (=puzzle, =paradox) sunflower Asteraceae Flowering Plants Threatened Wherever found
Helianthus schweinitzii Schweinitz's sunflower Asteraceae Flowering Plants Endangered Wherever found
Helianthus verticillatus Whorled Sunflower Asteraceae Flowering Plants Endangered Entire
Helonias bullata Swamp pink Liliaceae Flowering Plants Threatened Wherever found
Heritiera longipetiolata Ufa-halomtano Sterculiaceae Flowering Plants Endangered Wherever found
Hesperolinon congestum Marin dwarf-flax Linaceae Flowering Plants Threatened Wherever found
Hesperomannia arborescens No common name Asteraceae Flowering Plants Endangered Wherever found
Hesperomannia arbuscula No common name Asteraceae Flowering Plants Endangered Wherever found
Hesperomannia lydgatei No common name Asteraceae Flowering Plants Endangered Wherever found
Hexastylis naniflora Dwarf-flowered heartleaf Aristolochiaceae Flowering Plants Threatened Wherever found
Hibiscadelphus distans Kauai hau kuahiwi Malvaceae Flowering Plants Endangered Wherever found
Hibiscadelphus giffardianus Hau kuahiwi Malvaceae Flowering Plants Endangered Wherever found
Hibiscadelphus hualalaiensis Hau kuahiwi Malvaceae Flowering Plants Endangered Wherever found
Hibiscadelphus woodii Hau kuahiwi Malvaceae Flowering Plants Endangered Wherever found
Hibiscus arnottianus ssp. immaculatus Koki`o ke`oke`o Malvaceae Flowering Plants Endangered Wherever found
Hibiscus brackenridgei (=Native yellow hibiscus) ma`o hau hele Malvaceae Flowering Plants Endangered Wherever found
Hibiscus clayi Clay's hibiscus Malvaceae Flowering Plants Endangered Wherever found
Hibiscus dasycalyx Neches River rose-mallow Malvaceae Flowering Plants Threatened Wherever found
Hibiscus waimeae ssp. hannerae Koki`o ke`oke`o Malvaceae Flowering Plants Endangered Wherever found
Hoffmannseggia tenella Slender rush-pea Fabaceae Flowering Plants Endangered Wherever found
Holocarpha macradenia Santa Cruz tarplant Asteraceae Flowering Plants Threatened Wherever found
Howellia aquatilis Water howellia Campanulaceae Flowering Plants Threatened Wherever found
Hudsonia montana Mountain golden heather Cistaceae Flowering Plants Threatened Wherever found
Huperzia mannii Wawae`iole Lycopodiaceae Ferns and Allies Endangered Wherever found
Huperzia nutans Wawae`iole Lycopodiaceae Ferns and Allies Endangered Wherever found
Huperzia stemmermanniae No common name Lycopodiaceae Ferns and Allies Endangered Wherever found
Hymenoxys herbacea Lakeside daisy Asteraceae Flowering Plants Threatened Wherever found
Hymenoxys texana Texas prairie dawn-flower Asteraceae Flowering Plants Endangered Wherever found
Hypericum cumulicola Highlands scrub hypericum Hypericaceae Flowering Plants Endangered Wherever found
Hypolepis hawaiiensis var. mauiensis olua Dennstaedtiaceae Ferns and Allies Endangered Wherever found
Ilex cookii Cook's holly Aquifoliaceae Flowering Plants Endangered Wherever found
Ilex sintenisii No common name Aquifoliaceae Flowering Plants Endangered Wherever found
Iliamna corei Peter's Mountain mallow Malvaceae Flowering Plants Endangered Wherever found
Ipomopsis polyantha Pagosa skyrocket Polemoniaceae Flowering Plants Endangered Wherever found
Ipomopsis sancti-spiritus Holy Ghost ipomopsis Polemoniaceae Flowering Plants Endangered Wherever found
Iris lacustris Dwarf lake iris Iridaceae Flowering Plants Threatened Wherever found
Ischaemum byrone Hilo ischaemum Poaceae Flowering Plants Endangered Wherever found
Isodendrion hosakae Aupaka Violaceae Flowering Plants Endangered Wherever found
Isodendrion laurifolium Aupaka Violaceae Flowering Plants Endangered Wherever found
Isodendrion longifolium Aupaka Violaceae Flowering Plants Threatened Wherever found
Isodendrion pyrifolium Kula wahine noho Violaceae Flowering Plants Endangered Wherever found
Isoetes louisianensis Louisiana quillwort Isoetaceae Ferns and Allies Endangered Wherever found
Isoetes melanospora Black spored quillwort Isoetaceae Ferns and Allies Endangered Wherever found
Isoetes tegetiformans Mat-forming quillwort Isoetaceae Ferns and Allies Endangered Wherever found
Isotria medeoloides Small whorled pogonia Orchidaceae Flowering Plants Threatened Wherever found
Ivesia kingii var. eremica Ash Meadows ivesia Rosaceae Flowering Plants Threatened Wherever found
Ivesia webberi Webber's ivesia Rosaceae Flowering Plants Threatened Wherever found
Jacquemontia reclinata Beach jacquemontia Convolvulaceae Flowering Plants Endangered Wherever found
Jatropha costaricensis Costa Rican jatropha Euphorbiaceae Flowering Plants Endangered Wherever found
Joinvillea ascendens ascendens `Ohe Joinvilleaceae Flowering Plants Endangered Wherever found
Juglans jamaicensis West Indian Walnut (=Nogal) Juglandaceae Flowering Plants Endangered Wherever found
Justicia cooleyi Cooley's water-willow Acanthaceae Flowering Plants Endangered Wherever found
Kadua cookiana 'Awiwi Rubiaceae Flowering Plants Endangered Wherever found
Kadua cordata remyi kopa Rubiaceae Flowering Plants Endangered Wherever found
Kadua coriacea Kio`ele Rubiaceae Flowering Plants Endangered Wherever found
Kadua degeneri No common name Rubiaceae Flowering Plants Endangered Wherever found
Kadua fluviatilis Kamapua`a Rubiaceae Flowering Plants Endangered Wherever found
Kadua haupuensis No common name Rubiaceae Flowering Plants Endangered Wherever found
Kadua laxiflora pilo Rubiaceae Flowering Plants Endangered Wherever found
Kadua parvula No common name Rubiaceae Flowering Plants Endangered Wherever found
Kadua st.-johnii No common name Rubiaceae Flowering Plants Endangered Wherever found
Kanaloa kahoolawensis Kohe malama malama o kanaloa Fabaceae Flowering Plants Endangered Wherever found
Keysseria (=Lagenifera) erici No common name Asteraceae Flowering Plants Endangered Wherever found
Keysseria (=Lagenifera) helenae No common name Asteraceae Flowering Plants Endangered Wherever found
Kokia cookei Cooke's koki`o Malvaceae Flowering Plants Endangered Wherever found
Kokia drynarioides Koki`o Malvaceae Flowering Plants Endangered Wherever found
Kokia kauaiensis Koki`o Malvaceae Flowering Plants Endangered Wherever found
Korthalsella degeneri Hulumoa Santalaceae Flowering Plants Endangered Wherever found
Labordia cyrtandrae Kamakahala Loganiaceae Flowering Plants Endangered Wherever found
Labordia helleri Kamakahala Loganiaceae Flowering Plants Endangered Wherever found
Labordia lorenciana No common name Loganiaceae Flowering Plants Endangered Wherever found
Labordia lydgatei Kamakahala Loganiaceae Flowering Plants Endangered Wherever found
Labordia pumila Kamakahala Loganiaceae Flowering Plants Endangered Wherever found
Labordia tinifolia var. lanaiensis Kamakahala Loganiaceae Flowering Plants Endangered Wherever found
Labordia tinifolia var. wahiawaensis Kamakahala Loganiaceae Flowering Plants Endangered Wherever found
Labordia triflora Kamakahala Loganiaceae Flowering Plants Endangered Wherever found
Lasthenia burkei Burke's goldfields Asteraceae Flowering Plants Endangered Wherever found
Lasthenia conjugens Contra Costa goldfields Asteraceae Flowering Plants Endangered Wherever found
Layia carnosa Beach layia Asteraceae Flowering Plants Endangered Wherever found
Leavenworthia crassa Fleshy-fruit gladecress Brassicaceae Flowering Plants Endangered Wherever found
Leavenworthia exigua laciniata Kentucky glade cress Brassicaceae Flowering Plants Threatened Wherever found
Leavenworthia texana Texas golden Gladecress Brassicaceae Flowering Plants Endangered Wherever found
Lepanthes eltoroensis No common name Orchidaceae Flowering Plants Endangered Wherever found
Lepidium arbuscula `Anaunau Brassicaceae Flowering Plants Endangered Wherever found
Lepidium barnebyanum Barneby ridge-cress Brassicaceae Flowering Plants Endangered Wherever found
Lepidium orbiculare No common name Brassicaceae Flowering Plants Endangered Wherever found
Lepidium papilliferum Slickspot peppergrass Brassicaceae Flowering Plants Threatened Entire
Leptocereus grantianus No common name Cactaceae Flowering Plants Endangered Wherever found
Lespedeza leptostachya Prairie bush-clover Fabaceae Flowering Plants Threatened Wherever found
Lesquerella congesta Dudley Bluffs bladderpod Brassicaceae Flowering Plants Threatened Wherever found
Lesquerella kingii ssp. bernardina San Bernardino Mountains bladderpod Brassicaceae Flowering Plants Endangered Wherever found
Lesquerella lyrata Lyrate bladderpod Brassicaceae Flowering Plants Threatened Wherever found
Lesquerella pallida White bladderpod Brassicaceae Flowering Plants Endangered Wherever found
Lesquerella perforata Spring Creek bladderpod Brassicaceae Flowering Plants Endangered Wherever found
Lesquerella thamnophila Zapata bladderpod Brassicaceae Flowering Plants Endangered Wherever found
Lesquerella tumulosa Kodachrome bladderpod Brassicaceae Flowering Plants Endangered Wherever found
Lessingia germanorum (=L.g. var. germanorum) San Francisco lessingia Asteraceae Flowering Plants Endangered Wherever found
Liatris helleri Heller's blazingstar Asteraceae Flowering Plants Threatened Wherever found
Liatris ohlingerae Scrub blazingstar Asteraceae Flowering Plants Endangered Wherever found
Lilaeopsis schaffneriana var. recurva Huachuca water-umbel Apiaceae Flowering Plants Endangered Wherever found
Lilium occidentale Western lily Liliaceae Flowering Plants Endangered Wherever found
Lilium pardalinum ssp. pitkinense Pitkin Marsh lily Liliaceae Flowering Plants Endangered Wherever found
Limnanthes floccosa ssp. californica Butte County meadowfoam Limnanthaceae Flowering Plants Endangered Wherever found
Limnanthes pumila ssp. grandiflora Large-flowered woolly meadowfoam Limnanthaceae Flowering Plants Endangered Wherever found
Limnanthes vinculans Sebastopol meadowfoam Limnanthaceae Flowering Plants Endangered Wherever found
Lindera melissifolia Pondberry Lauraceae Flowering Plants Endangered Wherever found
Linum arenicola Sand flax Linaceae Flowering Plants Endangered Wherever found
Linum carteri carteri Carter's small-flowered flax Linaceae Flowering Plants Endangered Wherever found
Lipochaeta fauriei Nehe Asteraceae Flowering Plants Endangered Wherever found
Lipochaeta lobata var. leptophylla Nehe Asteraceae Flowering Plants Endangered Wherever found
Lipochaeta micrantha Nehe Asteraceae Flowering Plants Endangered Wherever found
Lipochaeta venosa No common name Asteraceae Flowering Plants Endangered Wherever found
Lipochaeta waimeaensis Nehe Asteraceae Flowering Plants Endangered Wherever found
Lithophragma maximum San Clemente Island woodland-star Saxifragaceae Flowering Plants Endangered Wherever found
Lobelia koolauensis No common name Campanulaceae Flowering Plants Endangered Wherever found
Lobelia monostachya No common name Campanulaceae Flowering Plants Endangered Wherever found
Lobelia niihauensis No common name Campanulaceae Flowering Plants Endangered Wherever found
Lobelia oahuensis No common name Campanulaceae Flowering Plants Endangered Wherever found
Lomatium bradshawii Bradshaw's desert-parsley Apiaceae Flowering Plants Endangered Wherever found
Lomatium cookii Cook's lomatium Apiaceae Flowering Plants Endangered Wherever found
Lupinus aridorum Scrub lupine Fabaceae Flowering Plants Endangered Wherever found
Lupinus nipomensis Nipomo Mesa lupine Fabaceae Flowering Plants Endangered Wherever found
Lupinus sulphureus ssp. kincaidii Kincaid's Lupine Fabaceae Flowering Plants Threatened Wherever found
Lupinus tidestromii Clover lupine Fabaceae Flowering Plants Endangered Wherever found
Lyonia truncata var. proctorii No common name Ericaceae Flowering Plants Endangered Wherever found
Lysimachia asperulaefolia Rough-leaved loosestrife Primulaceae Flowering Plants Endangered Wherever found
Lysimachia daphnoides lehua makanoe Primulaceae Flowering Plants Endangered Wherever found
Lysimachia filifolia No common name Primulaceae Flowering Plants Endangered Wherever found
Lysimachia iniki No common name Primulaceae Flowering Plants Endangered Wherever found
Lysimachia lydgatei No common name Primulaceae Flowering Plants Endangered Wherever found
Lysimachia maxima No common name Primulaceae Flowering Plants Endangered Wherever found
Lysimachia pendens No common name Primulaceae Flowering Plants Endangered Wherever found
Lysimachia scopulensis No common name Primulaceae Flowering Plants Endangered Wherever found
Lysimachia venosa No common name Primulaceae Flowering Plants Endangered Wherever found
Macbridea alba White birds-in-a-nest Lamiaceae Flowering Plants Threatened Wherever found
Maesa walkeri No common name Myrsinaceae Flowering Plants Threatened Wherever found
Malacothamnus clementinus San Clemente Island bush-mallow Malvaceae Flowering Plants Endangered Wherever found
Malacothamnus fasciculatus var. nesioticus Santa Cruz Island bush-mallow Malvaceae Flowering Plants Endangered Wherever found
Malacothrix indecora Santa Cruz Island malacothrix Asteraceae Flowering Plants Endangered Wherever found
Malacothrix squalida Island malacothrix Asteraceae Flowering Plants Endangered Wherever found
Manihot walkerae Walker's manioc Euphorbiaceae Flowering Plants Endangered Wherever found
Marshallia mohrii Mohr's Barbara's buttons Asteraceae Flowering Plants Threatened Wherever found
Marsilea villosa Ihi`ihi Marsileaceae Ferns and Allies Endangered Wherever found
Melanthera kamolensis nehe Asteraceae Flowering Plants Endangered Wherever found
Melanthera tenuifolia Nehe Asteraceae Flowering Plants Endangered Wherever found
Melicope adscendens Alani Rutaceae Flowering Plants Endangered Wherever found
Melicope balloui Alani Rutaceae Flowering Plants Endangered Wherever found
Melicope christophersenii Alani Rutaceae Flowering Plants Endangered Wherever found
Melicope degeneri Alani Rutaceae Flowering Plants Endangered Wherever found
Melicope haupuensis Alani Rutaceae Flowering Plants Endangered Wherever found
Melicope hiiakae Alani Rutaceae Flowering Plants Endangered Wherever found
Melicope knudsenii Alani Rutaceae Flowering Plants Endangered Wherever found
Melicope lydgatei Alani Rutaceae Flowering Plants Endangered Wherever found
Melicope makahae Alani Rutaceae Flowering Plants Endangered Wherever found
Melicope mucronulata Alani Rutaceae Flowering Plants Endangered Wherever found
Melicope munroi Alani Rutaceae Flowering Plants Endangered Wherever found
Melicope ovalis Alani Rutaceae Flowering Plants Endangered Wherever found
Melicope pallida Alani Rutaceae Flowering Plants Endangered Wherever found
Melicope paniculata Alani Rutaceae Flowering Plants Endangered Wherever found
Melicope puberula Alani Rutaceae Flowering Plants Endangered Wherever found
Melicope quadrangularis Alani Rutaceae Flowering Plants Endangered Wherever found
Melicope reflexa Alani Rutaceae Flowering Plants Endangered Wherever found
Melicope saint-johnii Alani Rutaceae Flowering Plants Endangered Wherever found
Melicope zahlbruckneri Alani Rutaceae Flowering Plants Endangered Wherever found
Mentzelia leucophylla Ash Meadows blazingstar Loasaceae Flowering Plants Threatened Wherever found
Mezoneuron kavaiense Uhi uhi Fabaceae Flowering Plants Endangered Wherever found
Microlepia strigosa var. mauiensis No common name Dennstaedtiaceae Ferns and Allies Endangered Wherever found
Mimulus michiganensis Michigan monkey-flower Scrophulariaceae Flowering Plants Endangered Wherever found
Mirabilis macfarlanei MacFarlane's four-o'clock Nyctaginaceae Flowering Plants Threatened Wherever found
Mitracarpus maxwelliae No common name Rubiaceae Flowering Plants Endangered Wherever found
Mitracarpus polycladus No common name Rubiaceae Flowering Plants Endangered Wherever found
Monardella viminea Willowy monardella Lamiaceae Flowering Plants Endangered Wherever found
Monolopia (=Lembertia) congdonii San Joaquin wooly-threads Asteraceae Flowering Plants Endangered Wherever found
Mucuna sloanei var. persericea sea bean Fabaceae Flowering Plants Endangered Wherever found
Myrcia paganii No common name Myrtaceae Flowering Plants Endangered Wherever found
Myrsine fosbergii Kolea Myrsinaceae Flowering Plants Endangered Wherever found
Myrsine juddii Kolea Primulaceae Flowering Plants Endangered Wherever found
Myrsine knudsenii Kolea Primulaceae Flowering Plants Endangered Wherever found
Myrsine linearifolia Kolea Primulaceae Flowering Plants Threatened Wherever found
Myrsine mezii Kolea Primulaceae Flowering Plants Endangered Wherever found
Myrsine vaccinioides Kolea Primulaceae Flowering Plants Endangered Wherever found
Navarretia fossalis Spreading navarretia Polemoniaceae Flowering Plants Threatened Wherever found
Navarretia leucocephala ssp. pauciflora (=N. pauciflora) Few-flowered navarretia Polemoniaceae Flowering Plants Endangered Wherever found
Navarretia leucocephala ssp. plieantha Many-flowered navarretia Polemoniaceae Flowering Plants Endangered Wherever found
Neostapfia colusana Colusa grass Poaceae Flowering Plants Threatened Wherever found
Neraudia angulata No common name Urticaceae Flowering Plants Endangered Wherever found
Neraudia ovata No common name Urticaceae Flowering Plants Endangered Wherever found
Neraudia sericea No common name Urticaceae Flowering Plants Endangered Wherever found
Nervilia jacksoniae No common name Orchidaceae Flowering Plants Threatened Wherever found
Nesogenes rotensis No common name Verbenaceae Flowering Plants Endangered Wherever found
Nitrophila mohavensis Amargosa niterwort Chenopodiaceae Flowering Plants Endangered Wherever found
Nolina brittoniana Britton's beargrass Agavaceae Flowering Plants Endangered Wherever found
Nothocestrum breviflorum `Aiea Solanaceae Flowering Plants Endangered Wherever found
Nothocestrum latifolium `Aiea Solanaceae Flowering Plants Endangered Wherever found
Nothocestrum peltatum `Aiea Solanaceae Flowering Plants Endangered Wherever found
Nototrichium humile Kulu`i Amaranthaceae Flowering Plants Endangered Wherever found
Ochrosia haleakalae Holei Apocynaceae Flowering Plants Endangered Wherever found
Ochrosia kilaueaensis Holei Apocynaceae Flowering Plants Endangered Wherever found
Oenothera deltoides ssp. howellii Antioch Dunes evening-primrose Onagraceae Flowering Plants Endangered Wherever found
Opuntia treleasei Bakersfield cactus Cactaceae Flowering Plants Endangered Wherever found
Orcuttia californica California Orcutt grass Poaceae Flowering Plants Endangered Wherever found
Orcuttia inaequalis San Joaquin Orcutt grass Poaceae Flowering Plants Threatened Wherever found
Orcuttia pilosa Hairy Orcutt grass Poaceae Flowering Plants Endangered Wherever found
Orcuttia tenuis Slender Orcutt grass Poaceae Flowering Plants Threatened Wherever found
Orcuttia viscida Sacramento Orcutt grass Poaceae Flowering Plants Endangered Wherever found
Osmoxylon mariannense No common name Araliaceae Flowering Plants Endangered Wherever found
Ottoschulzia rhodoxylon Palo de rosa Icacinaceae Flowering Plants Endangered Wherever found
Oxypolis canbyi Canby's dropwort Apiaceae Flowering Plants Endangered Wherever found
Oxytheca parishii var. goodmaniana Cushenbury oxytheca Polygonaceae Flowering Plants Endangered Wherever found
Oxytropis campestris var. chartacea Fassett's locoweed Fabaceae Flowering Plants Threatened Wherever found
Packera franciscana San Francisco Peaks ragwort Asteraceae Flowering Plants Threatened Wherever found
Panicum fauriei var. carteri Carter's panicgrass Poaceae Flowering Plants Endangered Wherever found
Panicum niihauense Lau `ehu Poaceae Flowering Plants Endangered Wherever found
Paronychia chartacea Papery whitlow-wort Caryophyllaceae Flowering Plants Threatened Wherever found
Parvisedum leiocarpum Lake County stonecrop Crassulaceae Flowering Plants Endangered Wherever found
Pedicularis furbishiae Furbish lousewort Scrophulariaceae Flowering Plants Endangered Wherever found
Pediocactus bradyi Brady pincushion cactus Cactaceae Flowering Plants Endangered Wherever found
Pediocactus despainii San Rafael cactus Cactaceae Flowering Plants Endangered Wherever found
Pediocactus (=Echinocactus,=Utahia) sileri Siler pincushion cactus Cactaceae Flowering Plants Threatened Wherever found
Pediocactus knowltonii Knowlton's cactus Cactaceae Flowering Plants Endangered Wherever found
Pediocactus peeblesianus fickeiseniae Fickeisen plains cactus Cactaceae Flowering Plants Endangered Wherever found
Pediocactus peeblesianus var. peeblesianus Peebles Navajo cactus Cactaceae Flowering Plants Endangered Wherever found
Pediocactus winkleri Winkler cactus Cactaceae Flowering Plants Threatened Wherever found
Penstemon debilis Parachute beardtongue Plantaginaceae Flowering Plants Threatened Wherever found
Penstemon haydenii Blowout penstemon Scrophulariaceae Flowering Plants Endangered Wherever found
Penstemon penlandii Penland beardtongue Scrophulariaceae Flowering Plants Endangered Wherever found
Pentachaeta bellidiflora White-rayed pentachaeta Asteraceae Flowering Plants Endangered Wherever found
Pentachaeta lyonii Lyon's pentachaeta Asteraceae Flowering Plants Endangered Wherever found
Peperomia subpetiolata `Ala `ala wai nui Piperaceae Flowering Plants Endangered Wherever found
Peperomia wheeleri Wheeler's peperomia Piperaceae Flowering Plants Endangered Wherever found
Peucedanum sandwicense Makou Apiaceae Flowering Plants Threatened Wherever found
Phacelia argillacea Clay phacelia Hydrophyllaceae Flowering Plants Endangered Wherever found
Phacelia formosula North Park phacelia Hydrophyllaceae Flowering Plants Endangered Wherever found
Phacelia insularis ssp. insularis Island phacelia Hydrophyllaceae Flowering Plants Endangered Wherever found
Phacelia submutica DeBeque phacelia Hydrophyllaceae Flowering Plants Threatened Wherever found
Phlox hirsuta Yreka phlox Polemoniaceae Flowering Plants Endangered Wherever found
Phlox nivalis ssp. texensis Texas trailing phlox Polemoniaceae Flowering Plants Endangered Wherever found
Phyllanthus saffordii No common name Phyllanthaceae Flowering Plants Endangered Wherever found
Phyllostegia bracteata No common name Lamiaceae Flowering Plants Endangered Wherever found
Phyllostegia brevidens No common name Lamiaceae Flowering Plants Endangered Wherever found
Phyllostegia floribunda No common name Lamiaceae Flowering Plants Endangered Wherever found
Phyllostegia glabra var. lanaiensis No common name Lamiaceae Flowering Plants Endangered Wherever found
Phyllostegia haliakalae No common name Lamiaceae Flowering Plants Endangered Wherever found
Phyllostegia helleri No common name Lamiaceae Flowering Plants Endangered Entire
Phyllostegia hirsuta No common name Lamiaceae Flowering Plants Endangered Wherever found
Phyllostegia hispida No common name Lamiaceae Flowering Plants Endangered Wherever found
Phyllostegia kaalaensis No common name Lamiaceae Flowering Plants Endangered Wherever found
Phyllostegia knudsenii No common name Lamiaceae Flowering Plants Endangered Wherever found
Phyllostegia mannii No common name Lamiaceae Flowering Plants Endangered Wherever found
Phyllostegia mollis No common name Lamiaceae Flowering Plants Endangered Wherever found
Phyllostegia parviflora No common name Lamiaceae Flowering Plants Endangered Wherever found
Phyllostegia pilosa No common name Lamiaceae Flowering Plants Endangered Wherever found
Phyllostegia racemosa Kiponapona Lamiaceae Flowering Plants Endangered Wherever found
Phyllostegia renovans No common name Lamiaceae Flowering Plants Endangered Wherever found
Phyllostegia stachyoides No common name Lamiaceae Flowering Plants Endangered Wherever found
Phyllostegia velutina No common name Lamiaceae Flowering Plants Endangered Wherever found
Phyllostegia waimeae No common name Lamiaceae Flowering Plants Endangered Wherever found
Phyllostegia warshaueri No common name Lamiaceae Flowering Plants Endangered Wherever found
Phyllostegia wawrana No common name Lamiaceae Flowering Plants Endangered Wherever found
Physaria douglasii ssp. tuplashensis White Bluffs bladderpod Brassicaceae Flowering Plants Threatened Wherever found
Physaria filiformis Missouri bladderpod Brassicaceae Flowering Plants Threatened Wherever found
Physaria globosa Short's bladderpod Brassicaceae Flowering Plants Endangered Wherever found
Physaria obcordata Dudley Bluffs twinpod Brassicaceae Flowering Plants Threatened Wherever found
Pilosocereus robinii Key tree cactus Cactaceae Flowering Plants Endangered Wherever found
Pinguicula ionantha Godfrey's butterwort Lentibulariaceae Flowering Plants Threatened Wherever found
Piperia yadonii Yadon's piperia Orchidaceae Flowering Plants Endangered Wherever found
Pittosporum halophilum Hoawa Pittosporaceae Flowering Plants Endangered Wherever found
Pittosporum hawaiiense Hoawa Pittosporaceae Flowering Plants Endangered Wherever found
Pittosporum napaliense Ho`awa Pittosporaceae Flowering Plants Endangered Wherever found
Pityopsis ruthii Ruth's golden aster Asteraceae Flowering Plants Endangered Wherever found
Plagiobothrys hirtus rough popcornflower Boraginaceae Flowering Plants Endangered Wherever found
Plagiobothrys strictus Calistoga allocarya Boraginaceae Flowering Plants Endangered Wherever found
Plantago hawaiensis Kuahiwi laukahi Plantaginaceae Flowering Plants Endangered Wherever found
Plantago princeps Kuahiwi laukahi Plantaginaceae Flowering Plants Endangered Wherever found
Platanthera holochila No common name Orchidaceae Flowering Plants Endangered Wherever found
Platanthera integrilabia White fringeless orchid Orchidaceae Flowering Plants Threatened Entire
Platanthera leucophaea Eastern prairie fringed orchid Orchidaceae Flowering Plants Threatened Wherever found
Platanthera praeclara Western prairie fringed Orchid Orchidaceae Flowering Plants Threatened Wherever found
Platydesma cornuta var. cornuta No common name Rutaceae Flowering Plants Endangered Wherever found
Platydesma cornuta var. decurrens No common name Rutaceae Flowering Plants Endangered Wherever found
Platydesma remyi No common name Rutaceae Flowering Plants Endangered Wherever found
Platydesma rostrata Pilo kea lau li`i Rutaceae Flowering Plants Endangered Wherever found
Pleodendron macranthum Chupacallos Canellaceae Flowering Plants Endangered Wherever found
Pleomele fernaldii Hala pepe Agavaceae Flowering Plants Endangered Wherever found
Pleomele forbesii Hala pepe Agavaceae Flowering Plants Endangered Wherever found
Pleomele hawaiiensis Hala pepe Asparagaceae Flowering Plants Endangered Wherever found
Poa atropurpurea San Bernardino bluegrass Poaceae Flowering Plants Endangered Wherever found
Poa mannii Mann's bluegrass Poaceae Flowering Plants Endangered Wherever found
Poa napensis Napa bluegrass Poaceae Flowering Plants Endangered Wherever found
Poa sandvicensis Hawaiian bluegrass Poaceae Flowering Plants Endangered Wherever found
Poa siphonoglossa No common name Poaceae Flowering Plants Endangered Wherever found
Pogogyne abramsii San Diego mesa-mint Lamiaceae Flowering Plants Endangered Wherever found
Pogogyne nudiuscula Otay mesa-mint Lamiaceae Flowering Plants Endangered Wherever found
Polygala lewtonii Lewton's polygala Polygalaceae Flowering Plants Endangered Wherever found
Polygala smallii Tiny polygala Polygalaceae Flowering Plants Endangered Wherever found
Polygonella basiramia Wireweed Polygonaceae Flowering Plants Endangered Wherever found
Polygonella myriophylla Sandlace Polygonaceae Flowering Plants Endangered Wherever found
Polygonum hickmanii Scotts Valley Polygonum Polygonaceae Flowering Plants Endangered Wherever found
Polyscias bisattenuata No common name Araliaceae Flowering Plants Endangered Wherever found
Polyscias flynnii No common name Araliaceae Flowering Plants Endangered Wherever found
Polyscias gymnocarpa `Ohe`ohe Araliaceae Flowering Plants Endangered Wherever found
Polyscias lydgatei No common name Araliaceae Flowering Plants Endangered Wherever found
Polyscias racemosa No common name Araliaceae Flowering Plants Endangered Wherever found
Polystichum aleuticum Aleutian shield fern Dryopteridaceae Ferns and Allies Endangered Wherever found
Polystichum calderonense No common name Dryopteridaceae Ferns and Allies Endangered Wherever found
Portulaca sclerocarpa Po`e Portulacaceae Flowering Plants Endangered Wherever found
Portulaca villosa Ihi Portulacaceae Flowering Plants Endangered Wherever found
Potamogeton clystocarpus Little Aguja (=Creek) Pondweed Potamogetonaceae Flowering Plants Endangered Wherever found
Potentilla hickmanii Hickman's potentilla Rosaceae Flowering Plants Endangered Wherever found
Primula maguirei Maguire primrose Primulaceae Flowering Plants Threatened Wherever found
Pritchardia aylmer-robinsonii Wahane Arecaceae Flowering Plants Endangered Wherever found
Pritchardia bakeri Baker''s Loulu Arecaceae Flowering Plants Endangered Wherever found
Pritchardia hardyi Lo`ulu Asteraceae Flowering Plants Endangered Wherever found
Pritchardia kaalae Lo`ulu Arecaceae Flowering Plants Endangered Wherever found
Pritchardia lanigera Lo`ulu Arecaceae Flowering Plants Endangered Wherever found
Pritchardia maideniana Lo`ulu Arecaceae Flowering Plants Endangered Wherever found
Pritchardia munroi Lo`ulu Arecaceae Flowering Plants Endangered Wherever found
Pritchardia napaliensis Lo`ulu Arecaceae Flowering Plants Endangered Wherever found
Pritchardia remota Lo`ulu Arecaceae Flowering Plants Endangered Wherever found
Pritchardia schattaueri Lo`ulu Arecaceae Flowering Plants Endangered Wherever found
Pritchardia viscosa Lo`ulu Arecaceae Flowering Plants Endangered Wherever found
Prunus geniculata Scrub plum Rosaceae Flowering Plants Endangered Wherever found
Pseudobahia bahiifolia Hartweg's golden sunburst Asteraceae Flowering Plants Endangered Wherever found
Pseudobahia peirsonii San Joaquin adobe sunburst Asteraceae Flowering Plants Threatened Wherever found
Pseudognaphalium sandwicensium var. molokaiense `Ena`ena Asteraceae Flowering Plants Endangered Wherever found
Psychotria grandiflora Kopiko Rubiaceae Flowering Plants Endangered Wherever found
Psychotria hexandra ssp. oahuensis Kopiko Rubiaceae Flowering Plants Endangered Wherever found
Psychotria hobdyi Kopiko Rubiaceae Flowering Plants Endangered Wherever found
Psychotria malaspinae Aplokating-palaoan Rubiaceae Flowering Plants Endangered Wherever found
Pteralyxia kauaiensis Kaulu Apocynaceae Flowering Plants Endangered Wherever found
Pteralyxia macrocarpa Kaulu Apocynaceae Flowering Plants Endangered Wherever found
Pteris lidgatei No common name Adiantaceae Ferns and Allies Endangered Wherever found
Ptilimnium nodosum Harperella Apiaceae Flowering Plants Endangered Wherever found
Purshia (=Cowania) subintegra Arizona Cliffrose Rosaceae Flowering Plants Endangered Wherever found
Quercus hinckleyi Hinckley oak Fagaceae Flowering Plants Threatened Wherever found
Ranunculus aestivalis (=acriformis) Autumn Buttercup Ranunculaceae Flowering Plants Endangered Wherever found
Ranunculus hawaiensis Makou Ranunculaceae Flowering Plants Endangered Wherever found
Ranunculus mauiensis Makou Ranunculaceae Flowering Plants Endangered Wherever found
Remya kauaiensis No common name Asteraceae Flowering Plants Endangered Wherever found
Remya mauiensis Maui remya Asteraceae Flowering Plants Endangered Wherever found
Remya montgomeryi No common name Asteraceae Flowering Plants Endangered Wherever found
Rhodiola integrifolia ssp. leedyi Leedy's roseroot Crassulaceae Flowering Plants Threatened Wherever found
Rhododendron chapmanii Chapman rhododendron Ericaceae Flowering Plants Endangered Wherever found
Rhus michauxii Michaux's sumac Anacardiaceae Flowering Plants Endangered Wherever found
Rhynchospora knieskernii Knieskern's Beaked-rush Cyperaceae Flowering Plants Threatened Wherever found
Ribes echinellum Miccosukee gooseberry Saxifragaceae Flowering Plants Threatened Wherever found
Rorippa gambellii Gambel's watercress Brassicaceae Flowering Plants Endangered Wherever found
Sagittaria fasciculata Bunched arrowhead Alismataceae Flowering Plants Endangered Wherever found
Sagittaria secundifolia Kral's water-plantain Alismataceae Flowering Plants Threatened Wherever found
Sanicula mariversa No common name Apiaceae Flowering Plants Endangered Wherever found
Sanicula purpurea No common name Apiaceae Flowering Plants Endangered Wherever found
Sanicula sandwicensis No common name Apiaceae Flowering Plants Endangered Wherever found
Santalum haleakalae var. lanaiense Lanai sandalwood (=`iliahi) Santalaceae Flowering Plants Endangered Wherever found
Santalum involutum No common name Santalaceae Flowering Plants Endangered Wherever found
Sarracenia oreophila Green pitcher-plant Sarraceniaceae Flowering Plants Endangered Wherever found
Sarracenia rubra ssp. alabamensis Alabama canebrake pitcher-plant Sarraceniaceae Flowering Plants Endangered Wherever found
Sarracenia rubra ssp. jonesii Mountain sweet pitcher-plant Sarraceniaceae Flowering Plants Endangered Wherever found
Scaevola coriacea Dwarf naupaka Goodeniaceae Flowering Plants Endangered Wherever found
Schenkia sebaeoides Awiwi Gentianaceae Flowering Plants Endangered Wherever found
Schiedea adamantis Diamond Head schiedea Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea apokremnos Ma`oli`oli Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea attenuata No common name Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea diffusa ssp. macraei No common name Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea diffusa subsp. diffusa No common name Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea haleakalensis No common name Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea hawaiiensis Ma`oli`oli Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea helleri No common name Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea hookeri No common name Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea jacobii No common name Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea kaalae No common name Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea kauaiensis No common name Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea kealiae Ma`oli`oli Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea laui No common name Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea lychnoides Kuawawaenohu Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea lydgatei No common name Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea membranacea No common name Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea nuttallii No common name Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea obovata No common name Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea pubescens Ma`oli`oli Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea salicaria No common name Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea sarmentosa No common name Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea spergulina var. leiopoda No common name Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea spergulina var. spergulina No common name Caryophyllaceae Flowering Plants Threatened Wherever found
Schiedea stellarioides Laulihilihi Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea trinervis No common name Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea verticillata No common name Caryophyllaceae Flowering Plants Endangered Wherever found
Schiedea viscosa No common name Caryophyllaceae Flowering Plants Endangered Wherever found
Schoenocrambe argillacea Clay reed-mustard Brassicaceae Flowering Plants Threatened Wherever found
Schoenocrambe barnebyi Barneby reed-mustard Brassicaceae Flowering Plants Endangered Wherever found
Schoenocrambe suffrutescens Shrubby reed-mustard Brassicaceae Flowering Plants Endangered Wherever found
Schoepfia arenaria No common name Olacaceae Flowering Plants Threatened Wherever found
Schwalbea americana American chaffseed Scrophulariaceae Flowering Plants Endangered Wherever found
Scirpus ancistrochaetus Northeastern bulrush Cyperaceae Flowering Plants Endangered Wherever found
Sclerocactus brevihamatus ssp. tobuschii Tobusch fishhook cactus Cactaceae Flowering Plants Threatened Wherever found
Sclerocactus brevispinus Pariette cactus Cacatacea Flowering Plants Threatened Wherever found
Sclerocactus glaucus Colorado hookless Cactus Cactaceae Flowering Plants Threatened Wherever found
Sclerocactus mesae-verdae Mesa Verde cactus Cactaceae Flowering Plants Threatened Wherever found
Sclerocactus wetlandicus Uinta Basin hookless cactus Cactaceae Flowering Plants Threatened Wherever found
Sclerocactus wrightiae Wright fishhook cactus Cactaceae Flowering Plants Endangered Wherever found
Scutellaria floridana Florida skullcap Lamiaceae Flowering Plants Threatened Wherever found
Scutellaria montana Large-flowered skullcap Lamiaceae Flowering Plants Threatened Wherever found
Senecio layneae Layne's butterweed Asteraceae Flowering Plants Threatened Wherever found
Serianthes nelsonii Hayun Iagu (=(Guam), Tronkon guafi (Rota)) Fabaceae Flowering Plants Endangered Wherever found
Sesbania tomentosa Ohai Fabaceae Flowering Plants Endangered Wherever found
Sibara filifolia Santa Cruz Island rockcress Brassicaceae Flowering Plants Endangered Wherever found
Sicyos albus `Anunu Cucurbitaceae Flowering Plants Endangered Wherever found
Sicyos lanceoloideus No common name Cucurbitaceae Flowering Plants Endangered Wherever found
Sicyos macrophyllus `Anunu Cucurbitaceae Flowering Plants Endangered Wherever found
Sidalcea keckii Keck's Checker-mallow Malvaceae Flowering Plants Endangered Wherever found
Sidalcea nelsoniana Nelson's checker-mallow Malvaceae Flowering Plants Threatened Wherever found
Sidalcea oregana ssp. valida Kenwood Marsh checker-mallow Malvaceae Flowering Plants Endangered Wherever found
Sidalcea oregana var. calva Wenatchee Mountains checkermallow Malvaceae Flowering Plants Endangered Local Endemic
Sidalcea pedata Pedate checker-mallow Malvaceae Flowering Plants Endangered Wherever found
Sideroxylon reclinatum ssp. austrofloridense Everglades bully Sapotaceae Flowering Plants Threatened Wherever found
Silene alexandri No common name Caryophyllaceae Flowering Plants Endangered Wherever found
Silene hawaiiensis No common name Caryophyllaceae Flowering Plants Threatened Wherever found
Silene lanceolata No common name Caryophyllaceae Flowering Plants Endangered Wherever found
Silene perlmanii No common name Caryophyllaceae Flowering Plants Endangered Wherever found
Silene polypetala Fringed campion Caryophyllaceae Flowering Plants Endangered Wherever found
Silene spaldingii Spalding's Catchfly Caryophyllaceae Flowering Plants Threatened Wherever found
Sisyrinchium dichotomum White irisette Iridaceae Flowering Plants Endangered Wherever found
Solanum drymophilum Erubia Solanaceae Flowering Plants Endangered Wherever found
Solanum guamense Berenghenas halomtano Solanaceae Flowering Plants Endangered Wherever found
Solanum incompletum Popolo ku mai Solanaceae Flowering Plants Endangered Wherever found
Solanum nelsonii Popolo Solanaceae Flowering Plants Endangered Wherever found
Solanum sandwicense `Aiakeakua, popolo Solanaceae Flowering Plants Endangered Wherever found
Solidago houghtonii Houghton's goldenrod Asteraceae Flowering Plants Threatened Wherever found
Solidago shortii Short's goldenrod Asteraceae Flowering Plants Endangered Wherever found
Solidago spithamaea Blue Ridge goldenrod Asteraceae Flowering Plants Threatened Wherever found
Spermolepis hawaiiensis No common name Apiaceae Flowering Plants Endangered Wherever found
Sphaeralcea gierischii Gierisch mallow malvaceae Flowering Plants Endangered Wherever found
Spigelia gentianoides Gentian pinkroot Loganiaceae Flowering Plants Endangered Wherever found
Spiraea virginiana Virginia spiraea Rosaceae Flowering Plants Threatened Wherever found
Spiranthes delitescens Canelo Hills ladies-tresses Orchidaceae Flowering Plants Endangered Wherever found
Spiranthes diluvialis Ute ladies'-tresses Orchidaceae Flowering Plants Threatened Wherever found
Spiranthes parksii Navasota ladies-tresses Orchidaceae Flowering Plants Endangered Wherever found
Stahlia monosperma Cobana negra Fabaceae Flowering Plants Threatened Wherever found
Stenogyne angustifolia var. angustifolia No common name Lamiaceae Flowering Plants Endangered Wherever found
Stenogyne bifida No common name Lamiaceae Flowering Plants Endangered Wherever found
Stenogyne campanulata No common name Lamiaceae Flowering Plants Endangered Wherever found
Stenogyne cranwelliae No common name Lamiaceae Flowering Plants Endangered Wherever found
Stenogyne kaalae ssp. sherffii No common name Lamiaceae Flowering Plants Endangered Wherever found
Stenogyne kanehoana No common name Lamiaceae Flowering Plants Endangered Wherever found
Stenogyne kauaulaensis No common name Lamiaceae Flowering Plants Endangered Wherever found
Stenogyne kealiae No common name Lamiaceae Flowering Plants Endangered Wherever found
Stephanomeria malheurensis Malheur wire-lettuce Asteraceae Flowering Plants Endangered Wherever found
Streptanthus albidus ssp. albidus Metcalf Canyon jewelflower Brassicaceae Flowering Plants Endangered Wherever found
Streptanthus niger Tiburon jewelflower Brassicaceae Flowering Plants Endangered Wherever found
Styrax portoricensis Palo de jazmin Styracaceae Flowering Plants Endangered Wherever found
Styrax texanus Texas snowbells Styracaceae Flowering Plants Endangered Wherever found
Suaeda californica California seablite Chenopodiaceae Flowering Plants Endangered Entire
Swallenia alexandrae Eureka Dune grass Poaceae Flowering Plants Threatened Entire
Tabernaemontana rotensis No common name Apocynaceae Flowering Plants Threatened Wherever found
Taraxacum californicum California taraxacum Asteraceae Flowering Plants Endangered Wherever found
Tectaria estremerana No common name Dryopteridaceae Ferns and Allies Endangered Wherever found
Ternstroemia luquillensis Palo colorado Theaceae Flowering Plants Endangered Wherever found
Ternstroemia subsessilis No common name Theaceae Flowering Plants Endangered Wherever found
Tetramolopium arenarium No common name Asteraceae Flowering Plants Endangered Wherever found
Tetramolopium capillare Pamakani Asteraceae Flowering Plants Endangered Wherever found
Tetramolopium filiforme No common name Asteraceae Flowering Plants Endangered Wherever found
Tetramolopium lepidotum ssp. lepidotum No common name Asteraceae Flowering Plants Endangered Wherever found
Tetramolopium remyi No common name Asteraceae Flowering Plants Endangered Wherever found
Tetramolopium rockii No common name Asteraceae Flowering Plants Threatened Wherever found
Thalictrum cooleyi Cooley's meadowrue Ranunculaceae Flowering Plants Endangered Wherever found
Thelypodium howellii ssp. spectabilis Howell''s spectacular thelypody Brassicaceae Flowering Plants Threatened Wherever found
Thelypodium stenopetalum Slender-petaled mustard Brassicaceae Flowering Plants Endangered Wherever found
Thelypteris inabonensis No common name Thelypteridaceae Ferns and Allies Endangered Wherever found
Thelypteris pilosa var. alabamensis Alabama streak-sorus fern Thelypteridaceae Ferns and Allies Threatened Wherever found
Thelypteris verecunda No common name Thelypteridaceae Ferns and Allies Endangered Wherever found
Thelypteris yaucoensis No common name Thelypteridaceae Ferns and Allies Endangered Wherever found
Thlaspi californicum Kneeland Prairie penny-cress Brassicaceae Flowering Plants Endangered Wherever found
Thymophylla tephroleuca Ashy dogweed Asteraceae Flowering Plants Endangered Wherever found
Thysanocarpus conchuliferus Santa Cruz Island fringepod Brassicaceae Flowering Plants Endangered Wherever found
Tinospora homosepala No common name Menispermaceae Flowering Plants Endangered Wherever found
Torreya taxifolia Florida torreya Taxaceae Conifers and Cycads Endangered Wherever found
Townsendia aprica Last Chance townsendia Asteraceae Flowering Plants Threatened Wherever found
Trematolobelia singularis No common name Campanulaceae Flowering Plants Endangered Wherever found
Trichilia triacantha Bariaco Meliaceae Flowering Plants Endangered Wherever found
Trichomanes punctatum ssp. floridanum Florida bristle fern Hymenophyllaceae Ferns and Allies Endangered Wherever found
Trifolium amoenum Showy Indian clover Fabaceae Flowering Plants Endangered Wherever found
Trifolium stoloniferum Running buffalo clover Fabaceae Flowering Plants Endangered Wherever found
Trifolium trichocalyx Monterey clover Fabaceae Flowering Plants Endangered Wherever found
Trillium persistens Persistent trillium Liliaceae Flowering Plants Endangered Wherever found
Trillium reliquum Relict trillium Liliaceae Flowering Plants Endangered Wherever found
Tuberolabium guamense No common name Orchidaceae Flowering Plants Threatened Wherever found
Tuctoria greenei Greene's tuctoria Poaceae Flowering Plants Endangered Wherever found
Tuctoria mucronata Solano grass Poaceae Flowering Plants Endangered Wherever found
Urera kaalae Opuhe Urticaceae Flowering Plants Endangered Wherever found
Varronia rupicola No common name Boraginaceae Flowering Plants Threatened Wherever found
Verbena californica Red Hills vervain Verbenaceae Flowering Plants Threatened Wherever found
Verbesina dissita Big-leaved crownbeard Asteraceae Flowering Plants Threatened Wherever found
Vernonia proctorii No common name Asteraceae Flowering Plants Endangered Wherever found
Vicia menziesii Hawaiian vetch Fabaceae Flowering Plants Endangered Wherever found
Vigna o-wahuensis No common name Fabaceae Flowering Plants Endangered Wherever found
Viola chamissoniana ssp. chamissoniana Pamakani Violaceae Flowering Plants Endangered Wherever found
Viola helenae No common name Violaceae Flowering Plants Endangered Wherever found
Viola kauaiensis var. wahiawaensis Nani wai`ale`ale Violaceae Flowering Plants Endangered Wherever found
Viola lanaiensis No common name Violaceae Flowering Plants Endangered Wherever found
Viola oahuensis No common name Violaceae Flowering Plants Endangered Wherever found
Warea amplexifolia Wide-leaf warea Brassicaceae Flowering Plants Endangered Wherever found
Warea carteri Carter's mustard Brassicaceae Flowering Plants Endangered Wherever found
Wikstroemia skottsbergiana No common name Thymelaeaceae Flowering Plants Endangered Entire
Wikstroemia villosa No common name Thymelaeaceae Flowering Plants Endangered Wherever found
Wilkesia hobdyi Dwarf iliau Asteraceae Flowering Plants Endangered Wherever found
Xylosma crenatum No common name Salicaceae Flowering Plants Endangered Wherever found
Xyris tennesseensis Tennessee yellow-eyed grass Xyridaceae Flowering Plants Endangered Wherever found
Yermo xanthocephalus Desert yellowhead Asteraceae Flowering Plants Threatened Wherever found
Zanthoxylum dipetalum var. tomentosum A`e Rutaceae Flowering Plants Endangered Wherever found
Zanthoxylum hawaiiense A`e Rutaceae Flowering Plants Endangered Wherever found
Zanthoxylum oahuense A`e Rutaceae Flowering Plants Endangered Wherever found
Zanthoxylum thomasianum St. Thomas prickly-ash Rutaceae Flowering Plants Endangered Wherever found
Zizania texana Texas wild-rice Poaceae Flowering Plants Endangered Wherever found
Ziziphus celata Florida ziziphus Rhamnaceae Flowering Plants Endangered Wherever found