U.S. Fish & Wildlife Service Threatened & Endangered Species

As the principal federal partner responsible for administering the Endangered Species Act (ESA), the USFWS takes the lead in recovering and conserving our Nation's imperiled species by fostering partnerships, employing scientific excellence, and developing a workforce of conservation leaders. To learn more, visit USFWS Environmental Conservation Online System.


Scientific Name Common Name Duration Habit Sun Water
Aconitum noveboracense Northern blue monkshood, New York monkshood Perennial Herb Part-shade
Amaranthus pumilus Seaside amaranth Annual
Apios priceana Price's groundnut, Traveler's delight Perennial Herb, Vine
Arctomecon humilis Common bear-poppy, Little desert-poppy Perennial Herb
Asplenium scolopendrium var. americanum American hart's-tongue fern Perennial Herb, Fern Sun, Shade, Part-shade Moist
Baptisia arachnifera Cobwebby wild indigo Perennial
Blennosperma bakeri Baker's stickyseed Annual Herb
Callirhoe scabriuscula Texas poppymallow Annual Herb Sun Moist, Dry
Castilleja levisecta Golden Indian paintbrush Perennial Herb Sun Moist
Chamaesyce rockii Koolau Range sandmat Perennial Tree
Chionanthus pygmaeus Pygmy fringetree Sun
Cirsium pitcheri Sand dune thistle Biennial Herb Sun Dry
Clarkia imbricata Vine Hill clarkia Annual Herb Sun, Part-shade
Clematis morefieldii Huntsville vasevine Vine Sun, Part-shade Moist
Clematis socialis Alabama leather flower
Conradina glabra Apalachicola false rosemary
Conradina verticillata Cumberland false rosemary Perennial Shrub Sun
Coryphantha ramillosa Whiskerbrush Perennial Cactus/Succulent
Cryptantha crassipes Terlingua Creek Cat's-eye, Terlingua Creek Cryptantha Perennial Herb, Subshrub
Echinacea laevigata Smooth purple coneflower Perennial Herb
Echinocereus chisoensis Chisos hedgehog, Chisos Mountain hedgehog cactus Perennial Cactus/Succulent Sun Dry
Echinocereus viridiflorus var. davisii Davis' hedgehog cactus Perennial Cactus/Succulent Sun Dry
Echinomastus mariposensis Lloyd's Fishhook Cactus, Mariposa Cactus Perennial Cactus/Succulent
Eriogonum ovalifolium var. vineum Cushenbury Buckwheat Perennial Herb
Fremontodendron mexicanum Mexican flannelbush, Southern flannelbush, Southern fremontia, Mexican fremontia Perennial Shrub Sun Dry
Helianthus paradoxus Paradox sunflower, Puzzle sunflower, Pecos sunflower Annual Herb
Helonias bullata Swamppink
Ipomopsis polyantha Pagosa ipomopsis Perennial Herb
Iris lacustris Dwarf lake iris Perennial Herb Sun
Isotria medeoloides Small whorled pogonia, Green fiveleaf orchid Perennial Herb
Kokia drynarioides Hawai'i treecotton Perennial Tree
Lesquerella pallida White bladderpod Annual Herb
Liatris helleri Heller's blazing star
Lilium occidentale Western lily Perennial Herb
Limnanthes vinculans Sebastopol meadowfoam Annual Herb
Malacothamnus clementinus San Clemente Island bushmallow Perennial Subshrub, Shrub
Manihot walkerae Walker's manioc, Walker's manihot, Texas tapioca Perennial Herb
Marshallia mohrii Mohr's Barbara's buttons
Pedicularis furbishiae Furbish's lousewort, St. Johns River lousewort Perennial Herb Shade
Pediocactus bradyi Brady's hedgehog cactus, Brady's pincushion cactus Perennial Cactus/Succulent Sun Dry
Platanthera leucophaea Prairie white fringed orchid, Eastern prairie fringed orchid, White prairie fringed orchid Perennial Herb Sun, Shade, Part-shade Moist
Platanthera praeclara Great Plains white fringed orchid Perennial Herb Sun Wet, Moist
Quercus hinckleyi Hinckley oak Perennial Shrub
Rhododendron chapmanii Chapman's rhododendron Perennial Shrub
Sarracenia oreophila Green Pitcherplant
Sarracenia rubra ssp. alabamensis Alabama pitcherplant
Sarracenia rubra ssp. jonesii Jones' pitcherplant
Schwalbea americana Chaffseed
Sclerocactus brevihamatus ssp. tobuschii Shorthook fishhook cactus Perennial Cactus/Succulent
Scutellaria floridana Florida skullcap Perennial Herb
Silene polypetala Eastern fringed catchfly, Fringed pink Perennial
Spiraea virginiana Virginia meadowsweet
Thymophylla tephroleuca Ashy pricklyleaf Perennial Herb
Torreya taxifolia Florida nutmeg, Florida torreya Perennial Tree Sun, Part-shade
Trillium persistens Persistent wakerobin
Trillium reliquum Confederate wakerobin
Zizania texana Texas wildrice Perennial Grass/Grass-like Sun Wet