Plant Species Listed Under the Endangered Species Act (ESA)

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Fishhook Cactus, Photographed by Gary M. Stolz, Courtesy U.S. Fish & Wildlife Service. This species is listed as ENDANGERED. Donate $15 or more to CEEI and get a printer-ready photo!

MORE THAN 5,000 plant species are currently
ENDANGERED...

A United Nations Environment Programme (UNEP) report on the global environment published in May 2002 concluded that over 11,000 species (including over 5,000 plant species) face extinction within 30 years.
LEARN MORE

The following plant species are currently listed
under the Endangered Species Act…

ESA Listed Plant Species
Species photos, info and distribution maps will be posted as they become available.

Page 1	See More Plant Listings: Page 1 2 3 4 5 6
Status	Species Name Common (Scientific)
E	Sand-verbena, Large-fruited (Abronia macrocarpa)
E	Abutilon eremitopetalum (No common name)
E	Ko`oloa`ula (Abutilon menziesii)
E	Abutilon sandwicense (No common name)
E	Liliwai (Acaena exigua)
T	Thornmint, San Diego (Acanthomintha ilicifolia)
E	Thornmint, San Mateo (Acanthomintha obovata ssp. duttonii)
E	Achyranthes mutica (No common name)
E	Chaff-flower, Round-leaved (Achyranthes splendens var. rotundata)
T	Monkshood, Northern wild (Aconitum noveboracense)
E	Fern, pendant kihi (Adenophorus periens)
T	Joint-vetch, Sensitive (Aeschynomene virginica)
E	Gerardia, Sandplain (Agalinis acuta)
E	Agave, Arizona (Agave arizonica)
E	Mahoe (Alectryon macrococcus)
E	Onion, Munz's (Allium munzii)
E	Alopecurus, Sonoma (Alopecurus aequalis var. sonomensis)
E	Kuawawaenohu (Alsinidendron lychnoides)
E	Alsinidendron obovatum (No common name)
E	Alsinidendron trinerve (No common name)
E	Alsinidendron viscosum (No common name)
E	Amaranthus brownii (No common name)
T	Amaranth, Seabeach (Amaranthus pumilus)
E	Ambrosia, South Texas (Ambrosia cheiranthifolia)
E	Ambrosia, San Diego (Ambrosia pumila)
E	Lead-plant, Crenulate (Amorpha crenulata)
T	Amphianthus, Little (Amphianthus pusillus)
E	Fiddleneck, Large-flowered (Amsinckia grandiflora)
E	Blue-star, Kearney's (Amsonia kearneyana)
E	Cactus, Tobusch fishhook (Ancistrocactus tobuschii)
T	Potato-bean, Price's (Apios priceana)
E	Rock-cress, Hoffmann's (Arabis hoffmannii)
E	Rock-cress, McDonald's (Arabis mcdonaldiana)
E	Rock-cress, Braun's (Arabis perstellata)
E	Rock-cress, Shale barren (Arabis serotina)
E	Bear-poppy, Dwarf (Arctomecon humilis)
E	Manzanita, Santa Rosa Island (Arctostaphylos confertiflora)
E	Manzanita, Del Mar (Arctostaphylos glandulosa ssp. crassifolia)
E	Manzanita, Presidio (Arctostaphylos hookeri var. ravenii)
T	Manzanita, Morro (Arctostaphylos morroensis)
T	Manzanita, Ione (Arctostaphylos myrtifolia)
T	Manzanita, Pallid (Arctostaphylos pallida)
E	Sandwort, Cumberland (Arenaria cumberlandensis)
E	Sandwort, Marsh (Arenaria paludicola)
T	Sandwort, Bear Valley (Arenaria ursina)
E	Poppy, Sacramento prickly (Argemone pleiacantha ssp. pinnatisecta)
E	Silversword, Mauna Loa (=Ka'u) (Argyroxiphium kauense)
T	`Ahinahina (Argyroxiphium sandwicense ssp. macrocephalum)
E	`Ahinahina (Argyroxiphium sandwicense ssp. sandwicense)
E	Aristida chaseae (No common name)
E	Pelos del diablo (Aristida portoricensis)
T	Milkweed, Mead's (Asclepias meadii)
T	Milkweed, Welsh's (Asclepias welshii)
E	Pawpaw, Four-petal (Asimina tetramera)
E	Asplenium fragile var. insulare (No common name)
E	Milk-vetch, Cushenbury (Astragalus albens)
E	Milk-vetch, Shivwitz (Astragalus ampullarioides)
E	Milk-vetch, Applegate's (Astragalus applegatei)
E	Ground-plum, Guthrie's (=Pyne's) (Astragalus bibullatus)
E	Milk-vetch, Braunton's (Astragalus brauntonii)
E	Milk-vetch, Clara Hunt's (Astragalus clarianus)
E	Milk-vetch, Sentry (Astragalus cremnophylax var. cremnophylax)
T	Milk-vetch, Deseret (Astragalus desereticus)
E	Milk-vetch, Holmgren (Astragalus holmgreniorum)
E	Milk-vetch, Mancos (Astragalus humillimus)
E	Milk-vetch, Lane Mountain (Astragalus jaegerianus)
E	Milk-vetch, Coachella Valley (Astragalus lentiginosus var. coachellae)
T	Milk-vetch, Fish Slough (Astragalus lentiginosus var. piscinensis)
T	Milk-vetch, Peirson's (Astragalus magdalenae var. peirsonii)
T	Milk-vetch, Heliotrope (Astragalus montii)
E	Milk-vetch, Osterhout (Astragalus osterhoutii)
T	Milk-vetch, Ash meadows (Astragalus phoenix)
E	Milk-vetch, Ventura Marsh (Astragalus pycnostachyus var. lanosissimus)
E	Milk-vetch, Jesup's (Astragalus robbinsii var. jesupi)
E	Milk-vetch, Coastal dunes (Astragalus tener var. titi)
E	Milk-vetch, Triple-ribbed (Astragalus tricarinatus)
E	Cactus, Star (Astrophytum asterias)
E	Crownscale, San Jacinto Valley (Atriplex coronata var. notatior)
E	Auerodendron pauciflorum (No common name)
E	Ayenia, Texas (Ayenia limitaris)
T	Baccharis, Encinitas (Baccharis vanessae)
E	Palo de ramon (Banara vanderbiltii)
E	Rattleweed, Hairy (Baptisia arachnifera)
E	Barberry, Nevin's (Berberis nevinii)
E	Barberry, Island (Berberis pinnata ssp. insularis)
T	Birch, Virginia round-leaf (Betula uber)
E	Ko`oko`olau (Bidens micrantha ssp. kalealaha)
E	Ko`oko`olau (Bidens wiebkei)
E	Sunshine, Sonoma (Blennosperma bakeri)
T	Aster, Decurrent false (Boltonia decurrens)
T	Bonamia, Florida (Bonamia grandiflora)
E	Bonamia menziesii (No common name)
E	Olulu (Brighamia insignis)
E	Pua `ala (Brighamia rockii)
T	Brodiaea, Thread-leaved (Brodiaea filifolia)
T	Brodiaea, Chinese Camp (Brodiaea pallida)
E	Boxwood, Vahl's (Buxus vahlii)
E	Uhiuhi (Caesalpinia kavaiense)
E	Capa rosa (Callicarpa ampla)
E	Poppy-mallow, Texas (Callirhoe scabriuscula)
T	Mariposa lily, Tiburon (Calochortus tiburonensis)
E	Calyptranthes thomasiana (No common name)
T	Pussypaws, Mariposa (Calyptridium pulchellum)
T	Manaca, Palma de (Calyptronoma rivalis)
E	Morning-glory, Stebbins' (Calystegia stebbinsii)
T	Evening-primrose, San Benito (Camissonia benitensis)
E	Bellflower, Brooksville (Campanula robinsiae)
E	`Awikiwiki (Canavalia molokaiensis)
E	Bittercress, Small-anthered (Cardamine micranthera)
E	Sedge, White (Carex albida)
E	Sedge, Golden (Carex lutea)
T	Sedge, Navajo (Carex specuicola)
E	Paintbrush, Tiburon (Castilleja affinis ssp. neglecta)
T	Owl's-clover, Fleshy (Castilleja campestris ssp. succulenta)
T	Paintbrush, Ash-grey (Castilleja cinerea)
E	Indian paintbrush, San Clemente Island (Castilleja grisea)
T	Paintbrush, Golden (Castilleja levisecta)
E	Paintbrush, Soft-leaved (Castilleja mollis)
E	Catesbaea Melanocarpa (No common name)
E	Jewelflower, California (Caulanthus californicus)
E	Ceanothus, Coyote (Ceanothus ferrisae)
T	Ceanothus, Vail Lake (Ceanothus ophiochilus)
E	Ceanothus, Pine Hill (Ceanothus roderickii)
E	Kamanomano (Cenchrus agrimonioides)
T	Centaury, Spring-loving (Centaurium namophilum)
E	Awiwi (Centaurium sebaeoides)
Page 1	See More Plant Listings: Page 1 2 3 4 5 6

ESA Species Status Codes
E -- Endangered
T -- Threatened
EmE -- Emergency Listing, Endangered
EmT -- Emergency Listing Threatened
EXPE, XE -- Experimental Population, Essential
EXPN, XN -- Experimental Population, Non-Essential
SAE, E(S/A) -- Similarity of Appearance to an Endangered Taxon
SAT, T(S/A) -- Similarity of Appearance to a Threatened Taxon
PE -- Proposed Endangered
PT -- Proposed Threatened
PEXPE, PXE -- Proposed Experimental Population, Essential
PEXPN, PXN -- Proposed Experimental Population, Non-Essential
PSAE, PE(S/A) -- Proposed Similarity of Appearance to an Endangered Taxon
PSAT, PT(S/A) -- Proposed Similarity of Appearance to a Threatened Taxon
C -- Candidate Taxon, Ready for Proposal
D3A -- Delisted Taxon, Evidently Extinct
D3B -- Delisted Taxon, Invalid Name in Current Scientific Opinion
D3C -- Delisted Taxon, Recovered
DA -- Delisted Taxon, Amendment of the Act
DM -- Delisted Taxon, Recovered, Being Monitored First Five Years
DO -- Delisted Taxon, Original Commercial Data Erroneous
DP -- Delisted Taxon, Discovered Previously Unknown Additional Populations and/or Habitat
DR -- Delisted Taxon, Taxonomic Revision (Improved Understanding)
AD -- Proposed Delisting
AE -- Proposed Reclassification to Endangered
AT -- Proposed Reclassification to Threatened.

ALERT!
More than 5,000 plant species are endangered, mostly due to habitat destruction and invasion by non-native species.
LEARN MORE

Search for ESA Listed Species by State, Country and Region.

Status: ESA Delisted Species

SUGGESTED RESOURCES
*Species & Extinction
MEDIUM: Paper
AUTHOR: Jenny Setio

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Attn. Max Casebeau, Exec Director
Post Office Box 1778
Sun Valley, Idaho 83353

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