FY2026 CESCF At Risk Spp List.pdf

Common Name Scientific Name Population Abbreviation Lead Region

[unnamed] brush-pea Genistidium dumosum Wherever found 2

Acute elimia Elimia acuta Wherever found 4

Alabama Cave crayfish Cambarus jonesi Wherever found 4

Alabama hickorynut Obovaria unicolor Wherever found 4

Alabama Map turtle Graptemys pulchra Wherever found 4

Alabama rainbow Villosa nebulosa Wherever found 4

Alabama shad Alosa alabamae Wherever found 4

Alabama spike Elliptio arca Wherever found 4

Alachua Light Fleeting Cave crayfish Procambarus lucifugus ssp. alachua Wherever found 4

Alligator snapping turtle Macrochelys temminckii Wherever found 4

Altamaha arc-mussel Alasmidonta arcula Wherever found 4

Altamaha shiner Cyprinella xaenura Wherever found 4

Alvord chub Siphateles alvordensis Wherever found 1

Amargosa speckled dace Rhinichthys nevadensis nevadensis 8

Amargosa toad Bufo nelsoni Wherever found 8

American alligator Alligator mississippiensis Wherever found 4

American bumble bee Bombus pensylvanicus AL, AZ, AR, CA, CO, DE, FL, GA, IL, IN, IA, KS, KY, Amistad gambusia Gambusia amistadensis Wherever found 2

Ample elimia Elimia ampla Wherever found 4

Angular Dwarf crayfish Cambarellus lesliei Wherever found 4

Antillean manatee Trichechus manatus manatus PR 4

Apalachicola king snake Lampropeltis getula meansi Wherever found 4

Appalachian grizzled skipper Pyrgus wyandot DC, MD, MI, NC, NJ, NY, OH, PA, VA, WV

Arizona agave Agave arizonica 2

Arizona striped whiptail Aspidoscelis inornatus arizonae Wherever found 2

Arizona toad Anaxyrus microscaphus Wherever found 2

Arkansas mudalia Leptoxis arkansensis AR, MO 4

Aztec gilia Aliciella formosa Wherever found 2

Bachman's warbler (=wood) Vermivora bachmanii Wherever found 4

Badwater snail Assiminea infima Wherever found 1

Bahama swallowtail butterfly Heraclides andraemon bonhotei Wherever found 4

Bankhead darter Percina sipsi Wherever found 4

Barbour's map turtle Graptemys barbouri Wherever found 4

Barrens darter Etheostoma forbesi Wherever found 4

Beller's ground beetle Agonum belleri Wherever found 1

Bethany Beach firefly Photuris bethaniensis DE 5

Big Bar hesperian Vespericola pressleyi Wherever found 8

Big red sage Salvia pentstemonoides Wherever found 2

Bigcheek Cave crayfish Procambarus delicatus Wherever found 4 bi-state sage grouse Centrocercus urophasianus CA, NV 8

Black Creek crayfish Procambarus pictus Wherever found 4

Black mudalia Elimia melanoides Wherever found 4

Black toad Bufo exsul Wherever found 1

Blackbarred crayfish Cambarus unestami Wherever found 4 blackbract pipewort Eriocaulon nigrobracteatum FL 4

Black-knobbed map turtle Graptemys nigrinoda Wherever found 4

Black-spotted newt Notophthalmus meridionalis Wherever found 2

Blanding's turtle Emydoidea blandingii IA, IL, IN, MA, ME, MI, MN, MO, NE, NH, NY, OH, PA, SD, FY 2026 CESCF At-Risk Species List

Blarina carolinensis ssp. shermani Blarina brevicauda shermani Wherever found 4 bleached sandhill skipper Polites sabuleti sinemaculata NV 8

Blue Calamintha Bee Osmia calaminthae Wherever found 4

Bluehead shiner Pteronotropis hubbsi Wherever found 4

Blueridge springfly Remenus kirchneri Wherever found 5

Bluestripe darter Percina cymatotaenia Wherever found 3 bog spicebush Lindera subcoriacea AL, FL, GA, LA, MS, NC, SC 4 bog turtle Glyptemys muhlenbergii U.S.A. (GA, NC, SC, TN, VA) 4

Boykin's lobelia Lobelia boykinii Wherever found 4

Brawleys Fork crayfish Cambarus williami Wherever found 4

Bridled darter Percina kusha GA 4

Bridled white-eye Zosterops conspicillatus conspicillatus

Wherever found 1

Burrowing bog crayfish Fallicambarus burrisi Wherever found 4

Bushy whitlow-wort Paronychia congesta 2

Bylas springsnail Pyrgulopsis arizonae Wherever found 2

Caddo madtom Noturus taylori Wherever found 4

Calcasieu crayfish Orconectes blacki Wherever found 4

Calvert's emerald Somatochlora calverti Wherever found 4

Cannulate Cave isopod Caecidotea cannula WV 5

Caper elimia Elimia olivula Wherever found 4

Caribbean coot Fulica caribaea Puerto Rico 4

Caribbean monk seal Monachus tropicalis Wherever found 11

Carolina birds-in-a-nest Macbridea caroliniana 4

Carolina hemlock Tsuga caroliniana Wherever found 4

Carolina lead-plant Amorpha georgiana var. confusa Wherever found 4

Carson Valley monkeyflower Erythranthe carsonensis 8

Cascade Caverns salamander Eurycea latitans Wherever found 2

Cedar Key mole skink Plestiodon egregius insularis Wherever found 4

Chamberlain's Dwarf salamander Eurycea chamberlaini Wherever found 4

Chattooga River crayfish Cambarus scotti Wherever found 4

Chelan mountainsnail Oreohelix sp Wherever found 1

Cherokee clubtail Gomphus consanguis Wherever found 4

Chesapeake logperch Percina bimaculata Wherever found 5

Chihuahua catfish Ictalurus sp. NM, TX 2

Chisos coral-root Hexalectris revoluta AZ, TX, Mexico 2

Chisos Mountain crested coralroot Bletia revoluta Wherever found 2 ciliate-leaf tickseed Coreopsis integrifolia FL, GA, SC 4

Cinnamon juga Juga canella Wherever found 8

Clear Lake Hitch Lavinia exilicauda chi Wherever found 8

Clover's cactus Sclerocactus cloverae 2

Coal darter Percina brevicauda Wherever found 4

Coastal cutthroat Trout Oncorhynchus clarkii clarkii Umpqua R. 1

Coastal Flatwoods crayfish Procambarus apalachicolae Wherever found 4

Coastal Lowland Cave crayfish Procambarus leitheuseri Wherever found 4

Cobble elimia Elimia vanuxemiana Wherever found 4

Cockle elimia Elimia cochliaris Wherever found 4

Coleman Cave beetle Pseudanophthalmus colemanensis Wherever found 4

Comal blind salamander Eurycea tridentifera Wherever found 2

Comal Springs salamander Eurycea species Wherever found 2

Compact elimia Elimia showalteri Wherever found 4

Cooke's Peak woodlandsnail Ashmunella macromphala Wherever found 2

Cook's Peak woodlandsnail Ashmunella macromphaia NM 2

Coosa creekshell Villosa umbrans AL, GA, TN 4

Corpulent hornsnail Pleurocera corpulenta Wherever found 4

Correll's false dragon- head Physostegia correllii LA, TX 2

Crested Riverlet crayfish Hobbseus cristatus Wherever found 4

Crossroads cave beetle Pseudanophthalmus intersectus Wherever found 5

Cudjo's cave beetle Pseudanophthalmus hirsutus Wherever found 5

Culebra Skink Spondylurus culebrae Wherever found 4

Cumberland Dusky salamander Desmognathus abditus Wherever found 4

Cumberland moccasinshell Medionidus conradicus Wherever found 4

Curtiss' loosestrife Lythrum curtissii Wherever found 4

Cypress crayfish Cambarellus blacki Wherever found 4

Delaware County Cave Crayfish Cambarus subterraneus Wherever found 2

Delicate spike Elliptio arctata Wherever found 4

Desert massasauga Sistrurus catenatus ssp. edwardsii Wherever found 2

Desert tortoise Gopherus agassizii AZ south and east of Colorado R., and Mexico, when found outside

Dismal Swamp southeastern shrew Sorex longirostris fisheri Wherever found 5

Domed ancylid Rhodacme elatior Wherever found 4

Dona Ana talussnail Sonorella todseni Wherever found 2

Donner und Blitzen pebblesnail Fluminicola insolitus 1

Dry Fork Valley cave beetle Pseudanophthalmus montanus WV 5

Dukes' skipper Euphyes dukesi calhouni Wherever found 4 dunes sagebrush lizard Sceloporus arenicolus NM, TX 2

Eared coneflower Rudbeckia auriculata Wherever found 4

Eastern diamondback rattlesnake Crotalus adamanteus Wherever found 4

Eastern Hellbender Cryptobranchus alleganiensis alleganiensis

Wherever found 3

Eastern regal fritillary Argynnis idalia idalia Wherever found 5

Edgewood blind harvestman Calcina minor Wherever found 1

Edison's ascyrum Hypericum edisonianum FL 4

Edmund's snaketail Ophiogomphus edmundo Wherever found 4

Egg-mimic darter Etheostoma pseudovulatum Wherever found 4

Elegant elimia Elimia teres Wherever found 4 elongate gland springsnail Pyrgulopsis isolata NV 8

Endless Caverns cave beetle Pseudanophthalmus avernus Wherever found 5

Engraved elimia Elimia perstriata Wherever found 4

Escambia Map turtle Graptemys ernsti Wherever found 4

Ferris's copper Lycaena ferrisi AZ 2

Fish Creek fleabane Erigeron piscaticus Wherever found 2

Fish Creek Springs tui chub Siphateles bicolor euchila Wherever found 8

Fish Lake Valley tui chub Siphateles obesus ssp Fish Lake 8

Fish Lake Valley tui chub Siphateles bicolor ssp. 4 NV 8 fisher (Northern California-Southern

Oregon distinct population segment)

Pekania pennanti CA, OR 1

Flat pigtoe Pleurobema marshalli Wherever found 4

Flat-topped Steptoe pyrg Pyrgulopsis planulata Wherever found 8

Florida cave amphipod Crangonyx grandimanus Wherever found 4

Florida Cave crayfish Procambarus lucifugus Wherever found 4

Florida Cave crayfish Procambarus lucifugus ssp. lucifugus Wherever found 4

Florida hartwrightia Hartwrightia floridana Wherever found 4

Florida intertidal firefly Micronaspis floridana Wherever found 4

Florida Keys mole skink Plestiodon egregius egregius Wherever found 4

Florida pine snake Pituophis melanoleucus mugitus AL, FL, GA, SC 4

Florida pondweed Potamogeton floridanus Wherever found 4

Florida Red-bellied turtle Pseudemys nelsoni Wherever found 4

Florida scrub lizard Sceloporus woodi Wherever found 4

Florida willow Salix floridana Wherever found 4

Fredonia wild-buckwheat Eriogonum mortonianum Wherever found 2 frosted elfin butterfly Callophrys irus AL, AR, CT, DC, DE, FL, GA, IL, IN, KS, KY, LA, MA, Georgia lead-plant Amorpha georgiana var. georgiana Wherever found 4

Ghost orchid Dendrophylax lindenii 4

Gila mayfly Lachlania dencyanna Wherever found 2

Gila tryonia Tryonia gilae AZ 2

Globose dune beetle Coelus globosus Wherever found 1

GodfreyÂ’s stitchwort Minuartia godfreyi Wherever found 4

Golden-winged warbler Vermivora chrysoptera Wherever found 3

Goodding's onion Allium gooddingii AZ, NM, UT 2

Gopher Frog Lithobates capito Wherever found 4

Grand Canyon cave pseudoscorpion Archeolarca cavicola Wherever found 2

Grand Wash springsnail Pyrgulopsis bacchus Wherever found 2 gray cat's-eye Oreocarya leucophaea 1

Gray-headed chickadee Poecile cintus lathami AK, Canada: Yukon and

Northwest Territories

Great Basin ramshorn Helisoma newberryi Wherever found 8 greater Saint Croix skink Spondylurus magnacruzae USVI 4 greater Virgin Islands skink Spondylurus spilonotus USVI 4

Green blossom (pearlymussel) Epioblasma torulosa gubernaculum Wherever found 4

Green floater Lasmigona subviridis Wherever found 5

Greenbrier Cave crayfish Cambarus nerterius Wherever found 5

Guam broadbill Myiagra freycineti Wherever found 1

Gulf Coast solitary bee Hesperapis oraria 4

Gulf Hammock dwarf siren Pseudobranchus striatus lustricolus Wherever found 4

Gulf Sweet pitcherplant Sarracenia rubra ssp. gulfensis Wherever found 4

Halloween darter Percina crypta Halloween 4

Hardin crayfish Orconectes wrighti Wherever found 4

Harper's fimbristylis Fimbristylis perpusilla Wherever found 4

Harper's heartleaf Hexastylis speciosa Wherever found 4

Hatchie Burrowing crayfish Fallicambarus hortoni Wherever found 4

Heller Cave springtail Typhlogastrura helleri Wherever found 5

Helmet rocksnail Lithasia duttoniana Wherever found 4

Henne's eucosman moth Eucosma hennei Wherever found 1

Henry's spider-lily Hymenocallis henryae Wherever found 4

Hickory Nut Gorge green salamander Aneides caryaensis 4 hoary bat (North American) Lasiurus cinereus cinereus AK, AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, IA, ID, Hobb's cave amphipod Crangonyx hobbsi Wherever found 4

Hoko vertigo Vertigo sp Wherever found 1

Hot Creek Valley tui chub Siphateles bicolor ssp. 5 Wherever found 8

Hualapai Mexican vole Microtus mexicanus hualpaiensis Wherever found 2

Hubbard's cave beetle* Pseudanophthalmus hubbardi VA 5

Hubricth's cave beetle Pseudanophthalmus hubrichti VA 5 impressed-nerve sedge Carex impressinervia AL, MS, NC, SC 4

Inflated floater Pyganodon gibbosa Wherever found 4

Insular hispid Cotton rat Sigmodon hispidus insulicola Wherever found 4

Inyo rock daisy Perityle inyoensis 8

Iowa skipper Atrytone arogos iowa 6

Jackson Prairie crayfish* Procambarus barbiger MS 4

Jefferson County crayfish Fallicambarus gilpini Wherever found 4

Kaibab bladderpod Lesquerella kaibabensis 2

Kanab ambersnail Oxyloma haydeni kanabensis Wherever found 6

Karst pond xyris Xyris longisepala Wherever found 4

Karst snowfly Allocapnia cunninghami Wherever found 4

Kauai nukupuu Hemignathus hanapepe Wherever found 1

Kentucky Creekshell Leaunio ortmanni Wherever found 4

Kentucky creekshell* Villosa ortmanni KY, TN 4

Key ring-necked snake Diadophis punctatus acricus Wherever found 4

Key striped mud turtle Kinosternon bauri Wherever found 4

Kiamichi crayfish Orconectes saxatilis OK 2

Kingman springsnail Pyrgulopsis conica Wherever found 2

Kings River pyrg Pyrgulopsis imperialis 8

Kirtland's snake Clonophis kirtlandii Wherever found 3

Kisatchie painted crayfish Faxonius maletae Wherever found 2

Kisatchie painted crayfish Orconectes maletae LA, TX 2

Lagniappe crayfish Procambarus lagniappe Wherever found 4

Lake sturgeon Acipenser fulvescens Wherever found 3

Landyes pyrg Pyrgulopsis landyei Wherever found 8

Large Kauai (=kamao) Thrush Myadestes myadestinus Wherever found 1 large marble butterfly Euchloe ausonides 8

Large-flowered Barbara's buttons Marshallia grandiflora Wherever found 5

Las Vegas bearpoppy* Arctomecon californica AZ, NV 8

Least crayfish Cambarellus diminutus Wherever found 4

Leoncita false-foxglove Agalinis calycina Wherever found 2

Lesser prairie-chicken Tympanuchus pallidicinctus Wherever found 2 lesser Saint Croix skink* Capitellum parvicruzae USVI 4

Lesser Virgin Islands Skink Spondylurus semitaeniatus Wherever found 4

Lily Shoals elimia Elimia annettae Wherever found 4

Limestone salamander Hydromantes brunus Wherever found 8

Linda's roadside skipper Amblyscirtes linda AR, IL, KS, MO, OK, TN 3 little brown bat Myotis lucifugus AK, AL, AR, CA, CO, CT, DC, DE, FL, GA, IA, ID, IL, Little Kennedy cave beetle* Pseudanophthalmus cordicollis VA 5

Little Mariana fruit Bat Pteropus tokudae Wherever found 1

Little oecetis longhorn caddisfly Oecetis parva Wherever found 4

Little River crayfish Cambarus spicatus Wherever found 4

Lloyd's hedgehog cactus Echinocereus lloydii 2

Lobed roachfly Tallaperla lobata Wherever found 5

Logan's Agarodes caddisfly Agarodes logani Wherever found 4

Long Valley speckled dace Rhinichthys nevadensis caldera Long Valley 8

Long Valley speckled dace*

Rhinichthys osculus ssp. CA 8

Longfin Smelt Spirinchus thaleichthys San Francisco Bay-Delta DPS 8

Longnose darter Percina nasuta Wherever found 4

Louisiana Pigtoe Pleurobema riddellii 2 lowland loosestrife* Lythrum flagellare FL 4

Maiden Spring cave beetle Pseudanophthalmus virginicus Wherever found 5

Manitou cavesnail Antrorbis breweri Wherever found 4

Margarita River skimmer Macromia margarita Wherever found 4

Mariana mallard Anas oustaleti Wherever found 1

Mathis spiderling Boerhavia mathisiana Wherever found 2

Maui akepa Loxops ochraceus Wherever found 1

Mazama newt Taricha granulosa mazamae 8

Mckittrick pennyroyal Hedeoma apiculatum Wherever found 2

Meadow joint-vetch Aeschynomene pratensis Wherever found 4

Mexican duck Anas diazi U.S.A. only 2

Mexican fawnsfoot Truncilla cognata Wherever found 2

Miami Cave crayfish Procambarus milleri Wherever found 4 mimic cavesnail Phreatodrobia imitata TX 2

Mimic crayfish Distocambarus carlsoni Wherever found 4

Mineral Creek mountainsnail Oreohelix pilsbryi Wherever found 2

Mississippi flatwoods crayfish Procambarus cometes Wherever found 4

Mohave ground squirrel Spermophilus mohavensis Wherever found 8

Mojave poppy bee Perdita meconis 8

Molokai creeper Paroreomyza flammea Wherever found 1

Mona skink Spondylurus monae PR 4

Monarch butterfly Danaus plexippus Wherever found 3

Mono Lake brine shrimp Artemia monica Wherever found 1

Montane peaclam Pisidium ultramontanum Wherever found 8

Morrison bumblebee Bombus morrisoni 2

Morro Bay Polyphyllan Scarab Beetle Polyphylla morroensis 8

Morse's Little Plain Brown sedge Lepidostoma morsei Wherever found 4

Mount Pinos sooty grouse Dendragapus fuliginosus howardi 8

Mountain Purple pitcherplant Sarracenia purpurea var. montana Wherever found 4

Mud elimia Elimia alabamensis Wherever found 4 mysterious lantern firefly Photuris mysticalampas 5

Narrows cave beetle Pseudanophthalmus egberti Wherever found 5

Natural Bridge cave beetle Pseudanophthalmus pontis Wherever found 5

Navajo bladderpod Lesquerella navajoensis AZ, NM, UT 2

Navasota False Foxglove Agalinis navasotensis Wherever found 2

Needleleaf waternymph Najas filifolia Wherever found 4

Neritiform Steptoe Ranch pyrg Pyrgulopsis neritella Wherever found 8

New River riffle crayfish Cambarus chasmodactylus Wherever found 5

No common name Agave murpheyi Wherever found 2

No common name Adiantum vivesii Wherever found 4

No common name ursia furtiva Wherever found 2 northern bog lemming Synaptomys borealis 7 northern cavefish Amblyopsis spelaea KY 4

Northern Red-bellied cooter Pseudemys rubriventris Wherever found 5

Northern Steptoe pyrg Pyrgulopsis serrata Wherever found 8

Northwestern Pond Turtle Actinemys marmorata Wherever found 8

Nudulose Coosa river snail Elimia lachryma Wherever found 4

O`opu alamo`o Lentipes concolor Wherever found 1 oblong rocksnail Leptoxis compacta AL 4

Ocmulgee marstonia Marstonia agarhecta Wherever found 4

Oklahoma cave crayfish Cambarus tartarus Wherever found 2

Oktibbeha Riverlet crayfish Hobbseus orconectoides MS 4

Olympic marmot Marmota olympus 1

Orange Lake Cave crayfish Procambarus franzi Wherever found 4

Orangefin madtom Noturus gilberti Wherever found 5

Oregon Vesper Sparrow Pooecetes gramineus affinis Wherever found 1

Orlando Cave crayfish Procambarus acherontis Wherever found 4 overlooked cave beetle Pseudanophthalmus praetermissus VA 5

Ozark shiner Notropis ozarcanus AR, MO 4

Pacific walrus Odobenus rosmarus divergens AK and Russia 7

Palatka skipper Euphyes pilatka klotsi Wherever found 4

Paleback darter Etheostoma pallididorsum Wherever found 4

Pallid Cave crayfish Procambarus pallidus Wherever found 4

Panhandle lily Lilium iridollae 4

Panhandle meadowbeauty Rhexia salicifolia 4

Pecos pupfish Cyprinodon pecosensis NM, TX 2

Pecos springsnail Pyrgulopsis pecosensis Wherever found 2

Pedernales River springs salamander Eurecya spp. TX 2

Peninsula Coast Range shoulderband Helminthoglypta nickliniana awania Wherever found 1

Peppered shiner Notropis perpallidus Wherever found 4

Phoenix (Squaw Peak) talussnail Maricopella allynsmithi AZ 2

Piebald Madtom Noturus gladiator Wherever found 4

Pinaleno talussnail Sonorella grahamensis AZ 2

Pine Island rice rat Oryzomys palustris planirostris Wherever found 4

Pinos Altos fameflower Talinum humile Wherever found 2

Pinyon Jay Gymnorhinus cyanocephalus Wherever found 9

Pipe Springs cryptantha Cryptantha semiglabra AZ, UT 2

Plains bison Bison bison bison Wherever found 6

Plateau spot-tailed earless lizard Holbrookia lacerata TX 2

Po`ouli (honeycreeper) Melamprosops phaeosoma Wherever found 1

Ponderous siltsnail Cincinnatia ponderosa Wherever found 4

Popeye shiner Notropis ariommus Wherever found 4 prairie chub Macrhybopsis australis Wherever found 2

Prairie gray fox Urocyon cinereoargenteus ssp.

ocythous

Wherever found 3

Prairie mole cricket Gryllotalpa major Wherever found 3

Prairie moonwort Botrychium gallicomontanum Wherever found 3

Princess elimia Elimia bellacrenata Wherever found 4

Puerto Rican Skink Spondylurus nitidus Wherever found 4

Purple skimmer Libellula jesseana Wherever found 4

Purple-spined Hedgehog cactus Echinocereus engelmannii var.

purpureus

Putnam County Cave crayfish Procambarus morrisi Wherever found 4

Pygmy Rabbit Brachylagus idahoensis Wherever found 1

Pygmy siltsnail Cincinnatia parva Wherever found 4

Quitobaquito tryonia Tryonia quitobaquitae Wherever found 2

Railroad Valley toad Anaxyrus nevadensis 8

Rare skipper Problema bulenta Wherever found 5

Raven's seedbox Ludwigia ravenii Wherever found 4

Redrock stonefly Anacroneuria wipukupa Wherever found 2 regal fritillary Speyeria idalia AR, CO, CT, DE, IA, IL, IN, KS, KY, MA, MD, ME, MI, Relict dace Relictus solitarius Wherever found 8

Reverse pepplesnail Somatogyrus alcoviensis Wherever found 4

Rich Mt. slitmouth Stenotrema pilsbryi Wherever found 4 rim rock crowned snake Tantilla oolitica Wherever found 4

Rio Grande chub Gila pandora CO, NM 2

Rio Grande cutthroat trout Oncorhynchus clarkii virginalis NM, CO 2

Rio Grande shiner Notropis jemezanus Wherever found 2

Rio Grande sucker Catostomus plebeius CO, NM 2 robust redhorse Moxostoma robustum GA, NC, SC 4

Rockcastle aster Eurybia saxicastellii 4

Rocky shiner Notropis suttkusi Wherever found 4

Rota partulid snail Partula lutaensis CNMI 1 rough-stemmed aster Symphyotrichum puniceum var.

scabricaule

Round-rib elimia Elimia nassula Wherever found 4

Ruddy Duck Oxyura jamaicensis jamaicensis Puerto Rico 4

Sabino Canyon damselfly Argia sabino Sabino Canyon 2

Sacramento anthicid Anthicus sacramento Wherever found 1

Saint Paul cave beetle Pseudanophthalmus sanctipauli Wherever found 5

Saiya Amoreuxia gonzalezii Wherever found 2

Salamander mussel Simpsonaias ambigua Wherever found 3 salina mucket Potamilus metnecktayi Wherever found 2

Salt marsh vagrant shrew Sorex vagrans halicoetes Wherever found 1 saltmarsh sparrow Ammospiza caudacuta CT, DE, FL, GA, MA, MD, ME, NC, NH, NJ, NY, PA, RI, SC, VA

Saltmarsh topminnow Fundulus jenkinsi Wherever found 4

Saluda crayfish Distocambarus youngineri Wherever found 4

San Clemente Island coenonycha beetle Coenonycha clementina Wherever found 1

San Clemente islandsnail Micrarionta gabbii Wherever found 1

San Joaquin tiger beetle Cicindela tranquebarica ssp. Wherever found 8

San Joaquin Valley giant flower-loving fly Rhaphiomidas trochilus Wherever found 8

San Marcos gambusia Gambusia georgei Wherever found 2

San Nicolas islandsnail Micrarionta feralis Wherever found 1

San Xavier talussnail Sonorella eremita AZ 2

Sangre de Cristo peaclam Pisidium sanguinichristi Wherever found 2

Sanibel Island rice rat Oryzomys palustris sanibeli FL 4

Santa Ana speckled dace Rhinichthys gabrielino Santa Ana 8

Santa Ana speckled dace Rhinichthys osculus CA 8

Santa Barbara shelled slug Binneya notabilis Wherever found 1

Santa Catalina ornate shrew Sorex ornatus willetti Wherever found 1

Santa Fe Cave crayfish Procambarus erythrops Wherever found 4

Schoolhouse Springs leuctran stonefly Leuctra szczytkoi Wherever found 4

Schoolhouse Springs leuctran stonefly

(Louisiana needlefly)

Leuctra szczykoi LA 4

Scioto madtom Noturus trautmani Wherever found 3

Seepage salamander Desmognathus aeneus Wherever found 4

Septima's clubtail Gomphus septima Wherever found 5

Sevier snowfly Allocapnia brooksi Wherever found 4

Shasta chaparral Trilobopsis roperi Wherever found 8

Shasta hesperian Vespericola shasta Wherever found 8

Shasta sideband Monadenia troglodytes troglodytes Wherever found 8

Shasta snow-wreath Neviusia cliftonii 8

Shawnee darter Etheostoma tecumsehi Wherever found 4

Shelta Cave crayfish Orconectes sheltae Wherever found 4

Shenandoah (Madden's) cave beetle

Pseudanophthalmus limicola VA 5

Sherman's fox squirrel Sciurus niger shermani Wherever found 4

Shortspire hornsnail Pleurocera curta Wherever found 4

Short-tailed snake Stilosoma extenuatum Wherever found 4

Sicklefin redhorse Moxostoma sp. Wherever found 4

Sierra Nevada red fox Vulpes vulpes necator Wherever found 8 silken cave beetle Pseudanophthalmus sericus VA 5

Silver Glen Springs crayfish Procambarus attiguus Wherever found 4

Siuslaw hairy-necked tiger beetle Cicindela hirticollis siuslawensis 1

Slenderwrist burrowing crayfish Fallicambarus petilicarpus Wherever found 4

Small-headed pipewort Eriocaulon kornickianum Wherever found 4 smallscale darter Etheostoma microlepidum KY, TN 4

Smokies needlefly Megaleuctra williamsae Wherever found 4

Smooth barked St. JohnÂ’s wort Hypericum lissophloeus Wherever found 4

Song Sparrow Melospiza melodia maxillaris Wherever found 1

Sonoran talussnail Sonorella magdalenensis Wherever found 2

South Branch Valley cave beetle Pseudanophthalmus potomaca potomaca

Wherever found 5

Southern acornshell Epioblasma othcaloogensis Wherever found 4

Southern elktoe Alasmidonta triangulata Wherever found 4

Southern hognose snake Heterodon simus Wherever found 4

Southern Plains Bumblebee Bombus fraternus 9

Southern Purple Lilliput Toxolasma corvunculus Wherever found 2

Southern snaketail Ophiogomphus australis Wherever found 4

Southern Steptoe pyrg Pyrgulopsis sulcata Wherever found 8

Southwest spring firefly Bicellonycha wickershamorum 2

Southwestern pond turtle Actinemys pallida Wherever found 8 speckled burrowing crayfish Fallicambarus danielae AL, MS 4

Spider Cave crayfish Troglocambarus maclanei Wherever found 4

Spider elimia Elimia arachnoidea Wherever found 5

Spiny riversnail Io fluvialis Wherever found 4 spiny scale crayfish Cambarus jezerinaci KY, TN, VA 5 spinytail crayfish Procambarus fitzpatricki MS 4

Spotted rocksnail Leptoxis picta Wherever found 4 spotted turtle Clemmys guttata CT, DC, DE, FL, GA, IL, IN, MA, MD, ME, MI, NC, NH, Steelhead (Rainbow Trout) Oncorhynchus (=Salmo) mykiss Klamath Mountains Province 11

Sterile Basin pyrg Pyrgulopsis sterilis Wherever found 8

Stippled studfish Fundulus bifax 4

Stirrupshell Quadrula stapes Wherever found 4

Streamside Salamander Ambystoma barbouri Wherever found 3

Striated darter Etheostoma striatulum Wherever found 4

Sub-globose Steptoe Ranch pyrg Pyrgulopsis orbiculata Wherever found 8

Suckley’s cuckoo bumble bee Bombus suckleyi AK, CA, CO, ID, MT, ND, OR, SD, WA, Canada (British

Suisun ornate shrew Sorex ornatus sinuosus Wherever found 1

Sunfacing coneflower Rudbeckia heliopsidis Wherever found 4

Sykora's Hydroptila caddisfly Hydroptila sykorai Wherever found 4

Taiwanese humpback dolphin Sousa chinensis taiwanensis 11 tall western penstemon Penstemon hesperius OR, WA 1

Tallapoosa orb Quadrula asperata ssp. archeri Wherever found 4

Tallapoosa orb Quadrula asperata archeri AL 4

Tamaulipan spot-tailed earless lizard Holbrookia subcaudalis Wherever found 2

Tecopa bird's beak Chloropyron tecopense 8

Tecopa pupfish Cyprinodon nevadensis calidae Wherever found 8

Temblor legless lizard Anniella alexanderae 8

Tennessee bottlebrush crayfish Barbicambarus simmonsi 4

Tennessee clubshell Pleurobema oviforme Wherever found 4

Tennessee clubtail Gomphus sandrius Wherever found 4

Tennessee forestfly Amphinemura mockfordi Wherever found 4

Tennessee pondweed Potamogeton tennesseensis Wherever found 5

Texas cave (or Edwards Aquifer) diving beetle

Haideoporus texanus TX 2

Texas heelsplitter Potamilus amphichaenus Wherever found 2

Texas kangaroo rat Dipodomys elator Wherever found 2

Texas salamander Eurycea neotenes TX 2

Texas screwstem Bartonia texana TX 2

Texas trillium Trillium pusillum texanum 2

Texas troglobitic water slater Lirceolus smithii TX 2

Tharp's bluestar Castilleja ornata NM, TX, Mexico 2 thick-leaf bladderpod Physaria pachyphylla 6 thin-necked cave beetle Pseudanophthalmus parvicollis VA 5

Thin-wall quillwort Isoetes microvela Wherever found 4

Thomas' cave beetle Pseudanophthalmus thomasi Wherever found 5

Threecorner milkvetch Astragalus geyeri triquetrus 8

Threecorner milkvetch Astragalus geyeri var.

triquetrus

AZ, NV 8

Three-tooth long-horned caddisfly Triaenodes tridontus Wherever found 4

Tombigbee Riverlet crayfish Hobbseus petilus Wherever found 4

Toothless blindcat Trogloglanis pattersoni Wherever found 2

Trianglelobe moonwort Botrychium ascendens Wherever found 1

Tricolored bat Perimyotis subflavus Wherever found 5

Truckee Barberry Berberis (=Mahonia) sonnei 8

Tubercled blossom (pearlymussel) Epioblasma torulosa torulosa Wherever found; Except where listed as Experimental

Tumamoc globeberry Tumamoca macdougalii Wherever found 2

Turgid blossom (pearlymussel) Epioblasma turgidula Wherever found; Except where listed as Experimental

Populations

Tuscumbia darter Etheostoma tuscumbia Wherever found 4

Upland combshell Epioblasma metastriata Wherever found 4

Utah valvata snail Valvata utahensis Wherever found 1

Variable Cuckoo Bumble Bee Bombus variabilis 3

Verde Rim springsnail Pyrgulopsis glandulosa Wherever found 2

Virgin Islands Bronze Skink Spondylurus sloanii Wherever found 4

Virgin Islands screech owl Otus nudipes newtoni Wherever found 4

Virginia stone Acroneuria kosztarabi Wherever found 5

Waccamaw killifish Fundulus waccamensis Wherever found 4

Warner Valley redband trout Oncorhynchus mykiss ssp. Wherever found 1

Water stitchwort Stellaria fontinalis 4

West Indian Whistling-Duck Dendrocygna arborea Puerto Rico 4

West Virginia spring salamander Gyrinophilus subterraneus Wherever found 5

Western Bumble bee Bombus occidentalis Wherever found 6

Western Chicken turtle Deirochelys reticularia ssp. miaria Wherever found 2

Western Joshua Tree Yucca brevifolia 8

Western regal fritillary Argynnis idalia occidentalis Wherever found 6 western ridged mussel Gonidea angulata CA, ID, NV, OR, WA, Canada (British Columbia)

Westfall's clubtail Gomphus westfalli Wherever found 4

West's flax Linum westii Wherever found 4

Wherry's Sweet pitcher-plant Sarracenia rubra ssp. wherryi Wherever found 4

White liptooth Polygyra peregrina Wherever found 4

White meadowbeauty Rhexia parviflora Wherever found 4

White Sands pupfish Cyprinodon tularosa Wherever found 2

White sturgeon Acipenser transmontanus Wherever found 8

White-margined penstemon Penstemon albomarginatus 8

Widemouth blindcat Satan eurystomus Wherever found 2

Wilson's phalarope Phalaropus tricolor 6

Wintu sideband Monadenia troglodytes ssp. wintu Wherever found 8

Wireleaf dropseed Sporobolus teretifolius Wherever found 4 wonder caddisfly Neothremma prolata 1 wood turtle Glyptemys insculpta CT, DC, IA, MA, MD, ME, MI, MN, NH, NJ, NY, OH, Yadkin River Goldenrod Solidago plumosa 4

Yalobusha Riverlet crayfish Hobbseus yalobushensis Wherever found 4

Yavapai Arizona cotton rat Sigmodon arizonae jacksoni Wherever found 2

Yellow blossom (pearlymussel) Epioblasma florentina florentina Wherever found; Except where listed as Experimental

Yellow cedar Callitropsis nootkatensis 7

Yellow-sided clubtail Stylurus potulentus Wherever found 4

Yellow-spotted woodland salamander Plethodon pauleyi 5

Yuman Desert fringe- toed lizard Uma rufopunctata AZ, CA 2