Species
All
Acornshell, southern (Epioblasma othcaloogensis)
A`e (Zanthoxylum hawaiiense)
Agave, arizona (Agave arizonica)
`Ahinahina (Argyroxiphium sandwicense ssp. macrocephalum)
`Ahinahina (Argyroxiphium sandwicense ssp. sandwicense)
`Aiakeakua, popolo (Solanum sandwicense)
`Aiea (Nothocestrum breviflorum)
`aiea, (Nothocestrum latifolium)
`Aiea (Nothocestrum peltatum)
Akekee (Loxops caeruleirostris)
Akepa, Hawaii (honeycreeper) (Loxops coccineus coccineus)
Akepa, Maui (honeycreeper) (Loxops coccineus ochraceus)
Akialoa, Kauai (honeycreeper) (Hemignathus procerus)
Akiapola`au (honeycreeper) (Hemignathus munroi)
Akikiki (Oreomystis bairdi)
`Akoko (Chamaesyce celastroides var. kaenana)
`Akoko (Chamaesyce eleanoriae)
`Akoko (Chamaesyce herbstii)
`Akoko (Chamaesyce remyi var. kauaiensis)
`Akoko (Chamaesyce remyi var. remyi)
`Akoko (Chamaesyce rockii)
`Akoko (Euphorbia haeleeleana)
`Akoko, Ewa Plains (Chamaesyce skottsbergii var. kalaeloana)
`Akoko, Ewa Plains (Chamaesyce skottsbergii var. skottsbergii)
`akoko, ewa plains (Euphorbia skottsbergii var. skottsbergii)
`aku, (Cyanea tritomantha)
Alani (Melicope adscendens)
Alani (Melicope balloui)
Alani (Melicope degeneri)
Alani (Melicope knudsenii)
Alani (Melicope lydgatei)
Alani (Melicope pallida)
Alani (Melicope paniculata)
Alani (Melicope puberula)
Alani (Melicope quadrangularis)
Alani (Melicope saint-johnii)
Alani (Melicope zahlbruckneri)
Albatross, short-tailed (Phoebastria (=Diomedea) albatrus)
Alice-flower, wonderland (Aliciella caespitosa)
Alligator, American (Alligator mississippiensis)
Allocarya, calistoga (Plagiobothrys strictus)
Alopecurus, Sonoma (Alopecurus aequalis var. sonomensis)
Amaranth, seabeach (Amaranthus pumilus)
Ambersnail, Kanab (Oxyloma haydeni kanabensis)
Ambrosia, San Diego (Ambrosia pumila)
Ambrosia, south Texas (Ambrosia cheiranthifolia)
Amole, Camatta Canyon (Chlorogalum purpureum reductum)
Amole, purple (Chlorogalum purpureum)
Amphianthus, little (Amphianthus pusillus)
Amphipod, balcones cave (Stygobromus balconis)
Amphipod, bousfields (Gammarus bousfieldi)
Amphipod, Clanton's cave (Stygobromus clantoni)
Amphipod, diminutive (Gammarus hyalleloides)
Amphipod, Hays Spring (Stygobromus hayi)
Amphipod, Illinois cave (Gammarus acherondytes)
Amphipod, kansas well (Bactrurus hubrichti)
Amphipod, Kauai cave (Spelaeorchestia koloana)
Amphipod, Noels (Gammarus desperatus)
Amphipod, ozark cave (Stygobromus ozarkensis)
Amphipod, Pecks cave (Stygobromus (=Stygonectes) pecki)
Amphipod, Pecos (Gammarus Pecos)
`Anaunau (Lepidium arbuscula)
Anole, Culebra Island giant (Anolis roosevelti)
`Anunu (Sicyos alba)
`anunu, (Sicyos macrophyllus)
Aquatilis, howellia (Water howellia)
Arc-mussel, altamaha (Alasmidonta arcula)
Arrowhead, bunched (Sagittaria fasciculata)
Asphodel, bog (Narthecium Americanum)
Aster, bouquet (Eurybia mirabilis)
Aster, decurrent false (Boltonia decurrens)
Aster, Florida golden (Chrysopsis Floridana)
Aster, georgia (Symphyotrichum georgianum)
Aster, mecca (Xylorhiza cognata)
Aster, rockcastle (Eurybia saxicastellii)
Aster, Ruths golden (Pityopsis ruthii)
Aupaka (Isodendrion laurifolium)
Aupaka (Isodendrion longifolium)
Avens, bent (Geum geniculatum)
Avens, spreading (Geum radiatum)
`Awikiwiki (Canavalia napaliensis)
`Awikiwiki (Canavalia pubescens)
Awiwi (Centaurium sebaeoides)
Ayenia, Texas (Ayenia limitaris)
Baccharis, Encinitas (Baccharis vanessae)
Bankclimber, purple (mussel) (Elliptoideus sloatianus)
Barberry, island (Berberis pinnata ssp. insularis)
Barberry, Nevins (Berberis nevinii)
Bariaco (Trichilia triacantha)
Bat, eastern small-footed (Myotis leibii)
Bat, Florida bonneted (Eumops Floridanus)
Bat, gray (Myotis grisescens)
Bat, Hawaiian hoary (Lasiurus cinereus semotus)
Bat, Indiana (Myotis sodalis)
Bat, lesser long-nosed (Leptonycteris curasoae yerbabuenae)
Bat, little brown (Myotis lucifugus)
Bat, little Mariana fruit (Pteropus tokudae)
Bat, Mariana fruit (=Mariana flying fox) (Pteropus mariannus mariannus)
Bat, Mexican long-nosed (Leptonycteris nivalis)
Bat, northern long-eared (Myotis septentrionalis)
Bat, Ozark big-eared (Corynorhinus (=Plecotus) townsendii ingens)
Bat, Rafinesque's big-eared (Plecotus rafinesquii)
Bat, Virginia big-eared (Corynorhinus townsendii virginianus)
Beaked-rush, Knieskerns (Rhynchospora knieskernii)
Bean, Choctaw (Villosa choctawensis)
Bean, Cumberland (pearlymussel) (Villosa trabalis)
Bean, purple (Villosa perpurpurea)
Bean, rayed (Villosa fabalis)
Bear, American black (Ursus Americanus)
Beard, roan mountain false goats (Astilbe crenatiloba)
Beardtongue, graham (Penstemon grahamii)
Beardtongue, Parachute (Penstemon debilis)
Beardtongue, Penland (Penstemon penlandii)
Beardtongue, white river (Penstemon scariosus albifluvis)
Bear, Florida black (Ursus Americanus floridanus)
Beargrass, Brittons (Nolina brittoniana)
Bear, grizzly (Ursus arctos horribilis)
Bear, Louisiana black (Ursus Americanus luteolus)
Bear, polar (Ursus maritimus)
Bear-poppy, Dwarf (Arctomecon humilis)
Beauty, Harpers (Harperocallis flava)
Bedstraw, El Dorado (Galium californicum ssp. sierrae)
Bedstraw, island (Galium buxifolium)
Bee, anthricinan yellow-faced (Hylaeus anthracinus)
Beetle, American burying (Nicrophorus Americanus)
Beetle, baker station cave (Pseudanophthalmus insularis)
Beetle, Caseys June (Dinacoma caseyi)
Beetle, Coffin Cave mold (Batrisodes texanus)
Beetle, coleman cave (Pseudanophthalmus colemanensis)
Beetle, Comal Springs dryopid (Stygoparnus comalensis)
Beetle, Comal Springs riffle (Heterelmis comalensis)
Beetle, coral pink sand dunes tiger (Cicindela albissima)
Beetle, delta green ground (Elaphrus viridis)
Beetle, fowlers cave (Pseudanophthalmus fowlerae)
Beetle, Gammon's stenelmis riffle (Stenelmis gammoni)
Beetle, Helotes mold (Batrisodes venyivi)
Beetle, highlands tiger (Cicindela highlandensis)
Beetle, Hungerfords crawling water (Brychius hungerfordi)
Beetle, icebox cave (Pseudanophthalmus frigidus)
Beetle, indian grave point (=soothsayer) cave (Pseudanophthalmus tiresias)
Beetle, inquirer cave (Pseudanophthalmus inquisitor)
Beetle, Kretschmarr Cave mold (Texamaurops reddelli)
Beetle, louisville cave (Pseudanophthalmus troglodytes)
Beetle, Mount Hermon June (Polyphylla barbata)
Beetle, nobletts cave (Pseudanophthalmus paulus)
Beetle, scott optioservus riffle (Optioservus phaeus)
Beetle, stephan's riffle (Heterelmis stephani)
Beetle, surprising cave (Pseudanophthalmus inexpectatus)
Beetle, Tooth Cave ground (Rhadine persephone)
Beetle, valley elderberry longhorn (Desmocerus californicus dimorphus)
Bellflower, Brooksville (Campanula robinsiae)
Berry, wooly (Vaccinium hirsutum)
Birch, Virginia round-leaf (Betula uber)
Birds beak, palmate-bracted (Cordylanthus palmatus)
Birds-beak, Pennels (Cordylanthus tenuis ssp. capillaris)
Birds-beak, salt marsh (Cordylanthus maritimus ssp. maritimus)
Birds-beak, soft (Cordylanthus mollis ssp. mollis)
Birds-in-a-nest, Carolina (Macbridea caroliniana)
Birds-in-a-nest, white (Macbridea alba)
Bison, wood (Bison bison athabascae)
Bittercress, mountain (Cardamine clematitis)
Bittercress, small-anthered (Cardamine micranthera)
Bittern, American (Botaurus lentiginosus)
Blackbird, tricolored (Agelaius tricolor)
Blackbird, yellow-shouldered (Agelaius xanthomus)
Bladderpod, Dudley Bluffs (Lesquerella congesta)
Bladderpod, kodachrome (Lesquerella tumulosa)
Bladderpod, lyrate (Lesquerella lyrata)
Bladderpod, Missouri (Physaria filiformis)
Bladderpod, San Bernardino Mountains (Lesquerella kingii ssp. bernardina)
Bladderpod, Short's (Physaria globosa)
Bladderpod, Spring Creek (Lesquerella perforata)
Bladderpod, stones river (Lesquerella stonensis)
Bladderpod, white bluffs (Physaria douglasii ssp. tuplashensis)
Bladderpod, white (Lesquerella pallida)
Bladderpod, Zapata (Lesquerella thamnophila)
Blazingstar, Ash Meadows (Mentzelia leucophylla)
Blazingstar, Hellers (Liatris helleri)
Blazingstar, scrub (Liatris ohlingerae)
Blossom, green (pearlymussel) (Epioblasma torulosa gubernaculum)
Blossom, tubercled (pearlymussel) (Epioblasma torulosa torulosa)
Blossom, turgid (pearlymussel) (Epioblasma turgidula)
Blossom, yellow (pearlymussel) (Epioblasma florentina florentina)
Bluecup, mission canyon (Githopsis diffusa filicaulis)
Bluecurls, Hidden Lake (Trichostema austromontanum ssp. compactum)
Bluegrass, bog (Poa paludigena)
Bluegrass, Hawaiian (Poa sandvicensis)
Bluegrass, Manns (Poa mannii)
Bluegrass, Napa (Poa napensis)
Bluegrass, San Bernardino (Poa atropurpurea)
Blue-star, Kearneys (Amsonia kearneyana)
Bluet, lateral (Enallagma laterale)
Bluet, Roan Mountain (Hedyotis purpurea var. montana)
Boa, coastal rosy (Charina trivirgata roseofusca)
Boa, Mona (Epicrates monensis monensis)
Boa, Puerto Rican (Epicrates inornatus)
Boa, Virgin Islands tree (Epicrates monensis granti)
Bobwhite, masked (quail) (Colinus virginianus ridgwayi)
Bonamia, Florida (Bonamia grandiflora)
Boxwood, Vahls (Buxus vahlii)
Brachymenium, Anderson's (Brachymenium andersonii)
Bradshawii, lomatium (Bradshaw's desert-parsley)
Brickell-bush, Florida (Brickellia mosieri)
Bristle-moss, keever's (Orthotrichum keeverae)
Brodiaea, Chinese Camp (Brodiaea pallida)
Brodiaea, orcutts (Brodiaea orcuttii)
Brodiaea, thread-leaved (Brodiaea filifolia)
Brunneus, urocitellus (northern Idaho ground squirrel)
Buckwheat, cushenbury (Eriogonum ovalifolium var. vineum)
Buckwheat, frisco (Eriogonum soredium)
Buckwheat, Ione (incl. Irish Hill) (Eriogonum apricum (incl. var. prostratum))
Buckwheat, las vegas (Eriogonum corymbosum var. nilesii)
Buckwheat, scrub (Eriogonum longifolium var. gnaphalifolium)
Buckwheat, steamboat (Eriogonum ovalifolium var. williamsiae)
Buckwheat, umtanum desert (Eriogonum codium)
Buckwheat, Umtanum Desert (Eriogonum codium)
Bugbane, arizona (Cimicifuga arizonica)
Bully, everglades (Sideroxylon reclinatum ssp. austrofloridense)
Bulrush, Northeastern (Scirpus ancistrochaetus)
Bunting, eastern painted (Passerina ciris ciris)
Bush-clover, prairie (Lespedeza leptostachya)
Bush-mallow, San Clemente Island (Malacothamnus clementinus)
Bush-mallow, Santa Cruz Island (Malacothamnus fasciculatus var. nesioticus)
Buttercup, autumn (Ranunculus aestivalis (=acriformis)
Butterfly, bartrams hairstreak (Strymon acis bartrami)
Butterfly, bay checkerspot (Euphydryas editha editha)
Butterfly, Behrens silverspot (Speyeria zerene behrensii)
Butterfly, callippe silverspot (Speyeria callippe callippe)
Butterfly, El Segundo blue (Euphilotes battoides allyni)
Butterfly, Fenders blue (Icaricia icarioides fenderi)
Butterfly, Florida leafwing (Anaea troglodyta floridalis)
Butterfly, hermes copper (Lycaena hermes)
Butterfly, Karner blue (Lycaeides melissa samuelis)
Butterfly, Langes metalmark (Apodemia mormo langei)
Butterfly, lotis blue (Lycaeides argyrognomon lotis)
Butterfly, mariana eight-spot (Hypolimnas octocula mariannensis)
Butterfly, mariana wandering (Vagrans egistina)
Butterfly, Miami Blue (Cyclargus (=Hemiargus) thomasi bethunebakeri)
Butterfly, mission blue (Icaricia icarioides missionensis)
Butterfly, Mitchells satyr (Neonympha mitchellii mitchellii)
Butterfly, Mitchells satyr (Neonympha mitchelli mitchelli)
Butterfly, mount charleston blue (Plebejus shasta charlestonensis)
Butterfly, Myrtles silverspot (Speyeria zerene myrtleae)
Butterfly, Oregon silverspot (Speyeria zerene hippolyta)
Butterfly, Palos Verdes blue (Glaucopsyche lygdamus palosverdesensis)
Butterfly plant, Colorado (Gaura neoMexicana var. coloradensis)
Butterfly, Quino checkerspot (Euphydryas editha quino)
Butterfly, Saint Francis satyr (Neonympha mitchellii francisci)
Butterfly, San Bruno elfin (Callophrys mossii bayensis)
Butterfly, Schaus swallowtail (Heraclides aristodemus ponceanus)
Butterfly, Smiths blue (Euphilotes enoptes smithi)
Butterfly, Taylors checkerspot (Euphydryas editha taylori)
Butterfly, Uncompahgre fritillary (Boloria acrocnema)
Butternut, (Juglans cinerea)
Butterweed, Laynes (Senecio layneae)
Butterwort, Godfreys (Pinguicula ionantha)
Button-celery, San Diego (Eryngium aristulatum var. parishii)
Button, Mohrs Barbara (Marshallia mohrii)
Buttons, large-flowered Barbara's (Marshallia grandiflora)
Cactus, Acuna (Echinomastus erectocentrus var. acunensis)
Cactus, Arizona hedgehog (Echinocereus triglochidiatus var. arizonicus)
Cactus, Bakersfield (Opuntia treleasei)
Cactus, black lace (Echinocereus reichenbachii var. albertii)
Cactus, blaines fishhook (Sclerocactus blainei)
Cactus, Brady pincushion (Pediocactus bradyi)
Cactus, Chisos Mountain hedgehog (Echinocereus chisoensis var. chisoensis)
Cactus, coast barrel (Ferocactus viridescens)
Cactus, Cochise pincushion (Coryphantha robbinsiorum)
Cactus, Colorado hookless (Sclerocactus glaucus)
Cactus, Fickeisen plains (Pediocactus peeblesianus fickeiseniae)
Cactus, Florida semaphore (Consolea corallicola)
Cactus, kaibab plains (Pediocactus paradinei)
Cactus, Key tree (Pilosocereus robinii)
Cactus, Knowltons (Pediocactus knowltonii)
Cactus, Kuenzler hedgehog (Echinocereus fendleri var. kuenzleri)
Cactus, Lee pincushion (Coryphantha sneedii var. leei)
Cactus, Lloyds Mariposa (Echinomastus mariposensis)
Cactus, Mesa Verde (Sclerocactus mesae-verdae)
Cactus, Nellie cory (Coryphantha minima)
Cactus, Nichols Turks head (Echinocactus horizonthalonius var. nicholii)
Cactus, Pariette (Sclerocactus brevispinus)
Cactus, Peebles Navajo (Pediocactus peeblesianus var. peeblesianus)
Cactus, Pima pineapple (Coryphantha scheeri var. robustispina)
Cactus, San Rafael (Pediocactus despainii)
Cactus, Siler pincushion (Pediocactus sileri)
Cactus, Sneed pincushion (Coryphantha sneedii var. sneedii)
Cactus, star (Astrophytum asterias)
Cactus, Tobusch fishhook (Sclerocactus brevihamatus ssp. tobuschii)
Cactus, Uinta Basin hookless (Sclerocactus wetlandicus)
Cactus, Winkler (Pediocactus winkleri)
Cactus, Wright fishhook (Sclerocactus wrightiae)
Caddisfly, buffalo springs (Ceratopsyche etnieri)
Caddisfly, helmas net-spinning (Cheumatopsyche helma)
Caddisfly, knoxville hydroptilan micro (Hydroptila decia)
Caddisfly, sequatchie (Glyphopsyche sequatchie)
Calva, sidalcea oregana var. (Wenatchee mountains checkermallow)
Campeloma, slender (Campeloma decampi)
Campion, fringed (Silene polypetala)
Canadensis, lynx (Canada lynx)
Capa rosa (Callicarpa ampla)
Caracara, Audubons crested (Polyborus plancus audubonii)
Caribou, rangifer tarandus (Woodland caribou)
Caribou, woodland (Rangifer tarandus caribou)
Catchfly, blue ridge (Silene ovata)
Catchfly, Spaldings (Silene spaldingii)
Catfish, Yaqui (Ictalurus pricei)
Cats-eye, Terlingua Creek (Cryptantha crassipes)
Catspaw, purple (=Purple Cat's paw pearlymussel) (Epioblasma obliquata obliquata)
Catspaw, white (pearlymussel) (Epioblasma obliquata perobliqua)
Caurina, strix occidentalis (northern spotted owl)
Cavefish, Alabama (Speoplatyrhinus poulsoni)
Cavefish, Ozark (Amblyopsis rosae)
Cavesnail, Tumbling Creek (Antrobia culveri)
Ceanothus, coyote (Ceanothus ferrisae)
Ceanothus, lakeside (Ceanothus cyaneus)
Ceanothus, Pine Hill (Ceanothus roderickii)
Ceanothus, Vail Lake (Ceanothus ophiochilus)
Centaury, spring-loving (Centaurium namophilum)
Chaff-flower, round-leaved (Achyranthes splendens var. rotundata)
Chaffseed, American (Schwalbea Americana)
Checker-mallow, Kecks (Sidalcea keckii)
Checker-mallow, Kenwood Marsh (Sidalcea oregana ssp. valida)
Checker-mallow, Nelsons (Sidalcea nelsoniana)
Checker-mallow, pedate (Sidalcea pedata)
Checkermallow, Wenatchee Mountains (Sidalcea oregana var. calva)
Chinquapin, ozark (Castanea pumila ozarkensis)
Chipmunk, penasco least (Tamias minimus atristriatus)
Chub, arkansas river speckled (Macrhybopsis aestivalis tetranemus)
Chub, bonytail (Gila elegans)
Chub, Borax Lake (Gila boraxobius)
Chub, Chihuahua (Gila nigrescens)
Chub, flame (Hemitremia flammea)
Chub, Gila (Gila intermedia)
Chub, headwater (Gila nigra)
Chub, humpback (Gila cypha)
Chub, Hutton tui (Gila bicolor ssp.)
Chub, least (Iotichthys phlegethontis)
Chub, Mohave tui (Gila bicolor mohavensis)
Chub, Oregon (Oregonichthys crameri)
Chub, Owens tui (Gila bicolor snyderi)
Chub, Owens Tui (Gila bicolor ssp. snyderi)
Chub, Pahranagat roundtail (Gila robusta jordani)
Chub, sicklefin (Macrhybopsis meeki)
Chub, slender (Erimystax cahni)
Chub, Sonora (Gila ditaenia)
Chub, spotfin (Erimonax monachus)
Chub, sturgeon (Macrhybopsis gelida)
Chub, Virgin River (Gila seminuda (=robusta))
Chub, Yaqui (Gila purpurea)
Chumbo, Higo (Harrisia portoricensis)
Chupacallos (Pleodendron macranthum)
Cinquefoil, soldier meadows (Potentilla basaltica)
Cladonia, Florida perforate (Cladonia perforata)
Clarkia, Pismo (Clarkia speciosa ssp. immaculata)
Clarkia, Presidio (Clarkia franciscana)
Clarkia, Springville (Clarkia springvillensis)
Clarkia, vine hill (Clarkia imbricata)
Cliff-rose, Arizona (Purshia X subintegra)
Clover, Monterey (Trifolium trichocalyx)
Clover, running buffalo (Trifolium stoloniferum)
Clover, showy Indian (Trifolium amoenum)
Clubshell, black (Pleurobema curtum)
Clubshell, ovate (Pleurobema perovatum)
Clubshell, painted (Pleurobema chattanoogaense)
Clubshell (Pleurobema clava)
Clubshell, southern (Pleurobema decisum)
Clubshell, Tennessee (Pleurobema oviforme)
Clubtail, cherokee (Gomphus consanguis)
Clubtail, Septima's (Gomphus septima)
Clubtail, Tennessee (Gomphus sandrius)
Cobana negra (Stahlia monosperma)
Coil, toothy (Helicodiscus hexodon)
Combshell, Cumberlandian (Epioblasma brevidens
Combshell, Cumberlandian (Epioblasma brevidens)
Combshell, southern (Epioblasma penita)
Combshell, upland (Epioblasma metastriata)
Condor, California (Gymnogyps californianus)
Coneflower, smooth (Echinacea laevigata)
Coneflower, Tennessee purple (Echinacea Tennesseensis)
Confluentus, salvelinus (Bull trout)
Coot, caribbean (Fulica caribaea)
Coot, Hawaiian (Fulica Americana alai)
Coqui, golden (Eleutherodactylus jasperi)
Coqui, Llanero - Entire (Eleutherodactylus juanariveroi)
Coral, elkhorn (Acropora palmata)
Coral, staghorn (Acropora cervicornis)
Cory cactus, bunched (Coryphantha ramillosa)
Covert, clingman (Mesodon clingmanicus)
Crabgrass, Florida pineland (Digitaria pauciflora)
Crake, spotless (Porzana tabuensis)
Crane, Mississippi sandhill (Grus canadensis pulla)
Crane, whooping (Grus Americana)
Crayfish, big sandy (Cambarus callainus)
Crayfish, big south fork (Cambarus bouchardi)
Crayfish, camp shelby burrowing (Fallicambarus gordoni)
Crayfish, cave (Cambarus aculabrum)
Crayfish, cave (Cambarus zophonastes)
Crayfish, chickamauga (Cambarus extraneus)
Crayfish, chowanoke (Orconectes virginiensis)
Crayfish, french broad (Cambarus reburrus)
Crayfish, hiwassee (Cambarus hiwasseensis)
Crayfish, louisville (Orconectes jeffersoni)
Crayfish, Nashville (Orconectes shoupi)
Crayfish, obey (Cambarus obeyensis)
Crayfish, panama city (Procambarus econfinae)
Crayfish, parrish (Cambarus parrishi)
Crayfish, Shasta (Pacifastacus fortis)
Crayfish, [unnamed] (Cambarus veteranus)
Creekshell, carolina (Villosa vaughaniana)
Creekshell, kentucky (Villosa ortmanni)
Creeper, Hawaii (Oreomystis mana)
Creeper, Molokai (Paroreomyza flammea)
Creeper, Oahu (Paroreomyza maculata)
Crescent, tawny (Phyciodes batesii)
Cress, kentucky glade (Leavenworthia exigua laciniata)
Cress, tahoe yellow (Rorippa subumbellata)
Cricket, coachella giant sand treader (Macrobaenetes valgum)
Cricket, coachella valley jerusalem (Stenopelmatus cahuilaensis)
Cricket, howarths cave (Caconemobius howarthi)
Cricket, prairie mole (Gryllotalpa major)
Crocodile, American (Crocodylus acutus)
Crossbill, red (Loxia curvirostra)
Crow, Hawaiian (=alala) (Corvus hawaiiensis)
Crow, Mariana (=aga) (Corvus kubaryi)
Crownbeard, big-leaved (Verbesina dissita)
Crownscale, San Jacinto Valley (Atriplex coronata var. notatior)
Cuckoo, yellow-billed (Coccyzus Americanus)
Cuckoo, yellow-billed - Western U.S. DPS (Coccyzus Americanus)
Cui-ui (Chasmistes cujus)
Curlew, bristle-thighed (Numenius tahitiensis)
Curlew, Eskimo (Numenius borealis)
Curlew, long-billed (Numenius Americanus)
Cycladenia, Jones (Cycladenia humilis var. jonesii)
Cypres, Gowen (Cupressus goveniana ssp. goveniana)
Cypress, Santa Cruz (Cupressus abramsiana)
Dace, Ash Meadows speckled (Rhinichthys osculus nevadensis)
Dace, blackside (Phoxinus cumberlandensis)
Dace, Clover Valley speckled (Rhinichthys osculus oligoporus)
Dace, desert (Eremichthys acros)
Dace, Foskett speckled (Rhinichthys osculus ssp.)
Dace, Independence Valley speckled (Rhinichthys osculus lethoporus)
Dace, Kendall Warm Springs (Rhinichthys osculus thermalis)
Dace, Laurel (Chrosomus saylori)
Dace, longfin (Agosia chrysogaster)
Dace, Moapa (Moapa coriacea)
Daisy, lakeside (Hymenoxys herbacea)
Daisy, Maguire (Erigeron maguirei)
Daisy, Parishs (Erigeron parishii)
Daisy, Willamette (Erigeron decumbens var. decumbens)
Damselfly, blackline Hawaiian (Megalagrion nigrohamatum nigrolineatum)
Damselfly, crimson Hawaiian (Megalagrion leptodemas)
Damselfly, flying earwig Hawaiian (Megalagrion nesiotes)
Damselfly, oceanic Hawaiian (Megalagrion oceanicum)
Damselfly, orangeblack hawaiian (Megalagrion xanthomelas)
Damselfly, Pacific Hawaiian (Megalagrion pacificum)
Darter, amber (Percina antesella)
Darter, arkansas (Etheostoma cragini)
Darter, ashy (Etheostoma cinereum)
Darter, barrens (Etheostoma forbesi)
Darter, bayou (Etheostoma rubrum)
Darter, bluemask (=jewel) (Etheostoma sp.)
Darter, boulder (Etheostoma wapiti)
Darter, carolina (Etheostoma collis)
Darter, Cherokee (Etheostoma scotti)
Darter, coppercheek (Etheostoma aquali)
Darter, crown (Etheostoma corona)
Darter, Cumberland (Etheostoma susanae)
Darter, diamond (Crystallaria cincotta)
Darter, duskytail (Etheostoma percnurum)
Darter, egg-mimic (Etheostoma pseudovulatum)
Darter, Etowah (Etheostoma etowahae)
Darter, fountain (Etheostoma fonticola)
Darter, goldline (Percina aurolineata)
Darter, halloween (Percina crypta)
Darter, holiday (Etheostoma brevirostrum)
Darter, Kentucky arrow (Etheostoma spilotum)
Darter, leopard (Percina pantherina)
Darter, longhead (Percina macrocephala)
Darter, Maryland (Etheostoma sellare)
Darter, Niangua (Etheostoma nianguae)
Darter, Okaloosa (Etheostoma okaloosae)
Darter, olive (Percina squamata)
Darter, pearl (Percina aurora)
Darter, relict (Etheostoma chienense)
Darter, rush (Etheostoma phytophilum)
Darter, sharphead (Etheostoma acuticeps)
Darter, slackwater (Etheostoma boschungi)
Darter, snail (Percina tanasi)
Darter, striated (Etheostoma striatulum)
Darter, trispot (Etheostoma trisella)
Darter, vermilion (Etheostoma chermocki)
Darter, watercress (Etheostoma nuchale)
Darter, yellowcheek (Etheostoma moorei)
Dawn-flower, Texas prairie (Hymenoxys texana)
Decumbens, erigeron (Willamette daisy)
Deer, Columbian white-tailed (Odocoileus virginianus leucurus
Deer, Columbian white-tailed (Odocoileus virginianus leucurus)
Deer, key (Odocoileus virginianus clavium)
Desert-parsley, Bradshaws (Lomatium bradshawii)
Dewberry, whartons (Rubus whartoniae)
Diellia, asplenium-leaved (Diellia erecta)
Diluvialis, spiranthes (Ute ladies'-tresses)
Dog, black-tailed prairie (Cynomys ludovicianus)
Dog, gunnisons prairie (Cynomys gunnisoni)
Dogweed, ashy (Thymophylla tephroleuca)
Dog, white-tailed prairie (Cynomys leucurus)
Dragonfly, Hines emerald (Somatochlora hineana)
Dropwort, Canbys (Oxypolis canbyi)
Duck, Hawaiian (=koloa) (Anas wyvilliana)
Duck, Laysan (Anas laysanensis)
Duck, west indian ruddy (Oxyura jamaicensis jamaicensis)
Duck, west indian whistling (Dendrocygna arborea)
Dudleya, Conejo (Dudleya abramsii ssp. parva)
Dudleya, marcescent (Dudleya cymosa ssp. marcescens)
Dudleya, Santa Clara Valley (Dudleya setchellii)
Dudleya, Santa Cruz Island (Dudleya nesiotica)
Dudleya, variegated (Dudleya variegata)
Dudleya, Veritys (Dudleya verityi)
Dudleyea, Santa Monica Mountains (Dudleya cymosa ssp. ovatifolia)
Dugong, (Dugong dugon)
Dwarf-flax, Marin (Hesperolinon congestum)
Eagle, bald (Haliaeetus leucocephalus)
Eagle, golden (Aquila chrysaetos)
Eastern puma (=cougar) (Puma (=Felis) concolor couguar)
Ebonyshell, round (Fusconaia rotulata)
Eel, American (Anguilla rostrata)
Egret, reddish (Egretta rufescens)
Eider, spectacled (Somateria fischeri)
Eider, Stellers (Polysticta stelleri)
Elder, San Diego marsh (Iva hayesiana)
Elepaio, Oahu (Chasiempis sandwichensis ibidis)
Elimia, brook (Elimia strigosa)
Elimia, coal (Elimia aterina)
Elimia, elegant (Elimia teres)
Elimia, knotty (Elimia interrupta)
Elimia, lacy (snail) (Elimia crenatella)
Elimia, mossy (Elimia troostiana)
Elimia, nymph (Elimia porrecta)
Elktoe, Appalachian (Alasmidonta raveneliana)
Elktoe, Cumberland (Alasmidonta atropurpurea)
Erubia (Solanum drymophilum)
Evening-primrose, Antioch Dunes (Oenothera deltoides ssp. howellii)
Evening-primrose, Eureka Valley (Oenothera avita ssp. eurekensis)
Evening-primrose, San Benito (Camissonia benitensis)
Eye, Higgins (pearlymussel) (Lampsilis higginsii)
Fairy shrimp, Conservancy (Branchinecta conservatio)
Fairy shrimp, longhorn (Branchinecta longiantenna)
Fairy shrimp, Riverside (Streptocephalus woottoni)
Fairy shrimp, San Diego (Branchinecta sandiegonensis)
Fairy shrimp, vernal pool (Branchinecta lynchi)
Falcon, American peregrine (Falco peregrinus anatum)
Falcon, northern aplomado (Falco femoralis septentrionalis)
Falcon, peregrine (Falco peregrinus)
Fanshell (Cyprogenia stegaria)
Fanshell, western (Cyprogenia aberti)
Fatmucket, Arkansas (Lampsilis powellii)
Fatmucket, Texas (Lampsilis bracteata)
Fawnsfoot, Texas (Truncilla macrodon)
Fenderi, icaricia icarioides (Fender's blue butterfly)
Fern, Alabama streak-sorus (Thelypteris pilosa var. alabamensis)
Fern, Aleutian shield (Polystichum aleuticum)
Fern, American harts-tongue (Asplenium scolopendrium var. Americanum)
Fern, Elfin tree (Cyathea dryopteroides)
Fern, pendant kihi (Adenophorus periens)
Fern, sp. nov. ined. (appalachian) oak (Gymnocarpium sp.)
Ferret, black-footed (Mustela nigripes)
Fescue, guadalupe (Festuca ligulata)
Fiddleneck, large-flowered (Amsinckia grandiflora)
Finch, Laysan (honeycreeper) (Telespyza cantans)
Finch, Nihoa (honeycreeper) (Telespyza ultima)
Fir, fraser (Abies fraseri)
Fisher, (Martes pennanti)
Fisher, pacific (Martes pennanti pacifica)
Flannelbush, Mexican (Fremontodendron Mexicanum)
Flannelbush, Pine Hill (Fremontodendron californicum ssp. decumbens)
Flax, carters small-flowered (Linum carteri carteri)
Flax, sand (Linum arenicola)
Flax, wests (linum westii)
Fleabane, lemmon (Erigeron lemmonii)
Fleabane, Zuni (Erigeron rhizomatus)
Floater, brook (Alasmidonta varicosa)
Floater, green (Lasmigona subviridis)
Flycatcher, southwestern willow (Empidonax traillii extimus)
Fly, Delhi Sands flower-loving (Rhaphiomidas terminatus abdominalis)
Fly, Hawaiian picture-wing (Drosophila sharpi)
Four-oclock, MacFarlanes (Mirabilis macfarlanei)
Fox, San Joaquin kit (Vulpes macrotis mutica)
Fox, San Miguel Island (Urocyon littoralis littoralis)
Fox, Santa Catalina Island (Urocyon littoralis catalinae)
Fox, Santa Cruz Island (Urocyon littoralis santacruzae)
Fox, Santa Rosa Island (Urocyon littoralis santarosae)
Fox, swift (Vulpes velox)
Frankenia, Johnstons (Frankenia johnstonii)
Fringepod, Santa Cruz Island (Thysanocarpus conchuliferus)
Fringe-tree, pygmy (Chionanthus pygmaeus)
Fritillary, diana (Speyeria diana)
Fritillary, Gentners (Fritillaria gentneri)
Fritillary, regal (Speyeria idalia)
Frog, California red-legged (Rana draytonii)
Frog, carolina crawfish (Rana areolata capito)
Frog, Chiricahua leopard (Rana chiricahuensis)
Frog, columbia spotted (Rana luteiventris)
Frog, dusky crawfish (Rana areolata sevosa)
Frog, dusky gopher (Rana sevosa)
Frog, Florida bog (Rana okaloosae)
Frog, Florida crawfish (Rana areolata aesopus)
Frog, Mississippi gopher (Rana capito servosa)
Frog, mountain yellow-legged (Rana muscosa)
Frog, Oregon spotted (Rana pretiosa)
Frog, relict leopard (Lithobates onca)
Frog, Sierra Nevada yellow-legged (Rana sierrae)
Gambusia, Big Bend (Gambusia gaigei)
Gambusia, Clear Creek (Gambusia heterochir)
Gambusia, Pecos (Gambusia nobilis)
Gambusia, San Marcos (Gambusia georgei)
Gartersnake, northern Mexican (Thamnophis eques megalops)
Gecko, Monito (Sphaerodactylus micropithecus)
Gecko, San Diego banded (Coleonyx variegatus abbotti)
Gentneri, fritillaria (Gentner's fritillary)
Geranium, Hawaiian red-flowered (Geranium arboreum)
Gerardia, sandplain (Agalinis acuta)
Gilia, Hoffmanns slender-flowered (Gilia tenuiflora ssp. hoffmannii)
Gilia, Monterey (Gilia tenuiflora ssp. arenaria)
Glacialis, thomomys mazama (Roy prairie pocket gopher)
Gladecress, fleshy-fruit (Leavenworthia crassa)
Gladecress, Texas golden (Leavenworthia texana)
Gladecress, [unnamed] (Leavenworthia crassa)
Globe, noonday (Patera clarki nantahala)
Gnatcatcher, coastal California (Polioptila californica californica)
Goby, tidewater (Eucyclogobius newberryi)
Goetzea, beautiful (Goetzea elegans)
Goldenrod, Blue Ridge (Solidago spithamaea)
Goldenrod, Houghtons (Solidago houghtonii)
Goldenrod, Short's (Solidago shortii)
Goldenrod, white-haired (Solidago albopilosa)
Goldenrod, yadkin river (Solidago plumosa)
Goldenstar, San Diego (Muilla clevelandii)
Goldfields, Burkes (Lasthenia burkei)
Goldfields, Contra Costa (Lasthenia conjugens)
Goose, aleutian canada (Branta canadensis leucopareia)
Gooseberry, Miccosukee (Ribes echinellum)
Goose, Hawaiian (Branta (=Nesochen) sandvicensis)
Gopher, mazama pocket (Thomomys mazama)
Goshawk, Queen Charlotte (Accipiter gentilis laingi)
Gourd, Okeechobee (Cucurbita okeechobeensis ssp. okeechobeensis)
Grass, Colusa (Neostapfia colusana)
Grass, Eureka Dune (Swallenia alexandrae)
Grass, Hirst Brothers' panic (Dichanthelium (=panicum) hirstii)
Grasshopper, Zayante band-winged (Trimerotropis infantilis)
Grass, philadelphia panic (Panicum philadelphicum)
Grass, smoky mountains manna (Glyceria nubigena)
Grass, Solano (Tuctoria mucronata)
Grass, Tennessee yellow-eyed (Xyris Tennesseensis)
Grayling, arctic (Thymallus arcticus)
Green-gentian, [unnamed] (Frasera gypsicola)
Ground beetle, [unnamed] (Rhadine exilis)
Ground beetle, [unnamed] (Rhadine infernalis)
Ground-Dove, friendly (Gallicolumba stairi)
Ground-plum, Guthries (=Pynes) (Astragalus bibullatus)
Groundsel, San Francisco Peaks (Senecio franciscanus)
Ground squirrel, northern Idaho (Urocitellus brunneus)
Guajon (Eleutherodactylus cooki)
Gumplant, Ash Meadows (Grindelia fraxinipratensis)
Gumplant, Ash Meadows (Grindelia fraxino-pratensis)
Haha (Cyanea acuminata)
Haha (Cyanea asarifolia)
Haha (Cyanea asplenifolia)
Haha (Cyanea copelandii ssp. haleakalaensis)
haha (Cyanea crispa)
Haha (Cyanea duvalliorum)
Haha (Cyanea glabra)
Haha (Cyanea grimesiana ssp. grimesiana)
Haha (Cyanea grimesiana ssp. obatae)
Haha (Cyanea hamatiflora ssp. hamatiflora)
Haha (Cyanea koolauensis)
Haha (Cyanea kunthiana)
Haha (Cyanea lobata)
Haha (Cyanea longiflora)
Haha (Cyanea mannii)
Haha (Cyanea maritae)
Haha (Cyanea mceldowneyi)
Haha (Cyanea pinnatifida)
Haha (Cyanea platyphylla)
Haha (Cyanea procera)
Haha (Cyanea recta)
Haha (Cyanea remyi)
Haha (Cyanea shipmanii)
Haha (Cyanea stictophylla)
Haha (Cyanea st.-johnii)
Haha (Cyanea superba)
Haha (Cyanea undulata)
Ha`iwale (Cyrtandra dentata)
Ha`iwale (Cyrtandra giffardii)
Ha`iwale (Cyrtandra munroi)
Haiwale, (Cyrtandra nanawaleensis)
Ha`iwale (Cyrtandra oenobarba)
Ha`iwale (Cyrtandra subumbellata)
Ha`iwale (Cyrtandra tintinnabula)
Ha`iwale (Cyrtandra viridiflora)
Hala pepe (Pleomele hawaiiensis)
Harebells, Avon Park (Crotalaria avonensis)
Harperella (Ptilimnium nodosum)
Harvestman, Bee Creek Cave (Texella reddelli)
Harvestman, Bone Cave (Texella reyesi)
Harvestman, Cokendolpher Cave (Texella cokendolpheri)
Hau kuahiwi (Hibiscadelphus giffardianus)
Hawk, ferruginous (Buteo regalis)
Hawk, Hawaiian (=lo) (Buteo solitarius)
Hawk, Puerto Rican broad-winged (Buteo platypterus brunnescens)
Hawk, Puerto Rican sharp-shinned (Accipiter striatus venator)
Hawk, Swainson's (Buteo swainsoni)
Haw, [unnamed] (Crataegus harbisonii)
Hazardia, orcutts (Hazardia orcuttii)
Heartleaf, dwarf-flowered (Hexastylis naniflora)
Heartleaf, french broad (Hexastylis rhombiformis)
Heather, mountain golden (Hudsonia montana)
Heau (Exocarpos luteolus)
Hedge-hyssop, boggs lake (Gratiola heterosepala)
Hedyotis, Na Pali beach (Hedyotis st.-johnii)
Heelsplitter, Alabama (=inflated) (Potamilus inflatus)
Heelsplitter, barrens (Lasmigona sp.)
Heelsplitter, Carolina (Lasmigona decorata)
Heelsplitter, Tennessee (Lasmigona holstonia)
Hellbender, Eastern (Cryptobranchus alleganiensis alleganiensis)
Hellbender, Ozark (Cryptobranchus alleganiensis bishopi)
Henshawi, oncorhynchus clarkii (Lahontan cutthroat trout)
Higgins eye (pearlymussel) (Lampsilis higginsii)
Higuero de sierra (Crescentia portoricensis)
Hippolyta, speyeria zerene (Oregon silverspot butterfly)
Hirtus, plagiobothrys (Rough popcornflower)
Ho`awa (Pittosporum napaliense)
Holei, (Ochrosia haleakalae)
Holei (Ochrosia kilaueaensis)
Holly, Cook's (Ilex cookii)
Honeycreeper, crested (Palmeria dolei)
Honohono (Haplostachys haplostachya)
Hornshell, Texas (Popenaias popei)
Hornsnail, corpulent (Pleurocera corpulenta)
Hornsnail, rough (Pleurocera foremani)
Hornsnail, rugged (Pleurocera alveare)
Hornsnail, telescope (Pleurocera walkeri)
Howellia, water (Howellia aquatilis)
Hypericum, highlands scrub (Hypericum cumulicola)
Iagu, hayun (=(guam)
Iagu, Hayun (=Guam, Tronkon guafi (Rota) (Serianthes nelsonii)
Ibis, white-faced (Plegadis chihi)
Idahoensis, brachylagus (Columbia basin pygmy rabbit)
Iguana, Mona ground (Cyclura stejnegeri)
Ihi`ihi (Marsilea villosa)
Iliau, dwarf (Wilkesia hobdyi)
Indian paintbrush, San Clemente Island (Castilleja grisea)
Indigo, Florida (Indigofera mucronata var. keyensis)
Interjurisdictional Fish
Invasive Species
Ipomopsis, Holy Ghost (Ipomopsis sancti-spiritus)
Iris, dwarf lake (Iris lacustris)
Irisette, white (Sisyrinchium dichotomum)
Ischaemum, Hilo (Ischaemum byrone)
Isopod, Lee County cave (Lirceus usdagalun)
Isopod, Madison Cave (Antrolana lira)
Isopod, Rye Cove Cave (Lirceus culveri)
Isopod, Socorro (Thermosphaeroma thermophilus)
Ivesia, Ash Meadows (Ivesia kingii var. eremica)
Ivesia, Webber (Ivesia Webberi)
Jackrabbit, San Diego black-tailed (Lepus californicus bennettii)
Jacquemontia, beach (Jacquemontia reclinata)
Jaguar (Panthera onca)
Jaguarundi, Gulf Coast (Herpailurus (=Felis) yagouaroundi cacomitli)
Jaguarundi, Sinaloan (Herpailurus (=Felis) yagouaroundi tolteca)
Jewelflower, California (Caulanthus californicus)
Jewelflower, Metcalf Canyon (Streptanthus albidus ssp. albidus)
Jewelflower, Tiburon (Streptanthus niger)
Joint-vetch, sensitive (Aeschynomene virginica)
Kamakahala (Labordia cyrtandrae)
Kamakahala (Labordia helleri)
Kamakahala (Labordia lydgatei)
Kamakahala (Labordia pumila)
Kamakahala (Labordia tinifolia var. wahiawaensis)
Kamakahala (Labordia triflora)
Kamanomano (Cenchrus agrimonioides)
Kangaroo rat, Fresno (Dipodomys nitratoides exilis)
Kangaroo rat, giant (Dipodomys ingens)
Kangaroo rat, Morro Bay (Dipodomys heermanni morroensis)
Kangaroo rat, San Bernardino Merriams (Dipodomys merriami parvus)
Kangaroo rat, Stephens (Dipodomys stephensi)
Kangaroo rat, Tipton (Dipodomys nitratoides nitratoides)
Kauila (Colubrina oppositifolia)
Kaulu (Pteralyxia kauaiensis)
Kaulu (Pteralyxia macrocarpa)
Kestrel, southeastern American (Falco sparverius paulus)
Kidneyshell, fluted (Ptychobranchus subtentum)
Kidneyshell, ouachita (Ptychobranchus occidentalis)
Kidneyshell, southern (Ptychobranchus jonesi)
Kidneyshell, triangular (Ptychobranchus greenii)
Kingfisher, Guam Micronesian (Halcyon cinnamomina cinnamomina)
Kingfisher, guam (Todiramphus cinnamominus)
Kio`ele (Kadua coriacea)
Kiponapona (Phyllostegia racemosa)
Kite, Everglade snail (Rostrhamus sociabilis plumbeus)
Kite, white-tailed (Elanus leucurus)
Knot, red (Calidris canutus rufa)
Kohe malama malama o kanaloa (Kanaloa kahoolawensis)
Koki`o ke`oke`o (Hibiscus waimeae ssp. hannerae)
Koki`o (Kokia drynarioides)
Koki`o (Kokia kauaiensis)
Kolea, (Myrsine fosbergii)
Kolea (Myrsine juddii)
Kolea (Myrsine linearifolia)
Kolea (Myrsine mezii)
Ko`oko`olau (Bidens campylotheca pentamera)
Ko`oko`olau (Bidens campylotheca waihoiensis)
Ko`oko`olau (Bidens conjuncta)
Ko`oko`olau (Bidens micrantha ctenophylla)
Ko`oko`olau (Bidens micrantha ssp. kalealaha)
Ko`oko`olau (Bidens wiebkei)
Ko`oloa`ula (Abutilon menziesii)
Kopiko (Psychotria grandiflora)
Kopiko (Psychotria hobdyi)
Kuahiwi laukahi (Plantago hawaiensis)
Kuahiwi laukahi (Plantago princeps)
Kula wahine noho (Isodendrion pyrifolium)
Kulu`i (Nototrichium humile)
Ladies-tresses, Canelo Hills (Spiranthes delitescens)
Ladies-tresses, Navasota (Spiranthes parksii)
Ladies-tresses, Ute (Spiranthes diluvialis)
Ladys-slipper, [unnamed] (Cypripedium kentuckiense)
Lampmussel, Alabama (Lampsilis virescens)
Lampmussel, yellow (Lampsilis cariosa)
Lamprey, pacific (Lampetra tridentata ssp.)
Lance, altamaha (Elliptio shepardiana)
Lance, yellow (Elliptio lanceolata)
Lark, california horned (Eremophila alpestris actia)
Larkspur, Bakers (Delphinium bakeri)
Larkspur, San Clemente Island (Delphinium variegatum ssp. kinkiense)
Larkspur, tall (Delphinium exaltatum)
Larkspur, yellow (Delphinium luteum)
Lark, streaked horned (Eremophila alpestris strigata)
Lau `ehu (Panicum niihauense)
Laulihilihi (Schiedea stellarioides)
Layia, beach (Layia carnosa)
Lead-plant, Crenulate (Amorpha crenulata)
Leather flower, Alabama (Clematis socialis)
Leather flower, Morefields (Clematis morefieldii)
Lehua makanoe (Lysimachia daphnoides)
Lemming, kansas bog (Synaptomys cooperi paludis)
Lessingia, San Francisco (Lessingia germanorum(=L.g.)
Lichen, bluff mountain reindeer (Cladonia psoromica)
Lichen, rock gnome (Gymnoderma lineare)
Liliwai (Acaena exigua)
Lilliput, pale (pearlymussel) (Toxolasma cylindrellus)
Lilliput, purple (Toxolasma lividus)
Lilliput, savannah (Toxolasma pullus)
Lily, dunns mariposa (Calochortus dunnii)
Lily, grays (Lilium grayi)
Lily, Minnesota dwarf trout (Erythronium propullans)
Lily, panhandle (Lilium iridollae)
Lily, Pitkin Marsh (Lilium pardalinum ssp. pitkinense)
Lily, Tiburon mariposa (Calochortus tiburonensis)
Lily, Western (Lilium occidentale)
Limpet, Banbury Springs (Lanx sp.)
Lioplax, cylindrical (snail) (Lioplax cyclostomaformis)
Liveforever, Laguna Beach (Dudleya stolonifera)
Liveforever, Santa Barbara Island (Dudleya traskiae)
Liveforever, sticky-leaved (Dudleya viscida)
Liverwort, Sharp's leafy (Plagiochila sharpii)
Liverwort, [unnamed] (Plagiochila sharpii)
Liverwort, [unnamed] (Plagiochila sullivantii)
Liverwort, [unnamed] (Plagiochila sullivantii var. spinigera)
Liverwort, [unnamed] (Plagiochila sullivantii var. sullivantii)
Liverwort, [unnamed] (Plagiochila virginica var. caroliniana)
Liverwort, [unnamed] (Sphenolobopsis pearsoni)
Lizard, blunt-nosed leopard (Gambelia silus)
Lizard, california horned (Phrynosoma coronatum frontale)
Lizard, Coachella Valley fringe-toed (Uma inornata)
Lizard, dunes sagebrush (Sceloporus arenicolus)
Lizard, flat-tailed horned (Phrynosoma mcallii)
Lizard, Island night (Xantusia riversiana)
Lizard, San Diego horned (Phrynosoma coronatum blainvillii)
Lizard, St. Croix ground (Ameiva polops)
Locoweed, Fassetts (Oxytropis campestris var. chartacea)
Logperch, blotchside (Percina burtoni)
Logperch, Conasauga (Percina jenkinsi)
Logperch, Roanoke (Percina rex)
Lomatium, Cook's (Lomatium cookii)
Loon, yellow-billed (Gavia adamsii)
Loosestrife, curtiss (Lythrum curtissii)
Loosestrife, frasers yellow (Lysimachia fraseri)
Loosestrife, rough-leaved (Lysimachia asperulaefolia)
Lossestrife, frasers yellow (Lysimachia fraseri)
Lotus, San Clemente Island (Acmispon dendroideus var. traskiae (=Lotus d. ssp. traskiae))
Lo`ulu, (=Na`ena`e) (Pritchardia hardyi)
Lo`ulu (Pritchardia affinis)
Lo`ulu (Pritchardia kaalae)
Lo`ulu (Pritchardia munroi)
Lo`ulu (Pritchardia napaliensis)
Lo`ulu (Pritchardia remota)
Lo`ulu (Pritchardia schattaueri)
Lousewort, Furbish (Pedicularis furbishiae)
Lupine, clover (Lupinus tidestromii)
Lupine, Kincaids (Lupinus sulphureus ssp. kincaidii)
Lupine, Nipomo Mesa (Lupinus nipomensis)
Lupine, scrub (Lupinus aridorum)
Lupus, canis (Gray wolf)
Lynchi, branchinecta (Vernal pool fairy shrimp)
Lynx, Canada (Lynx canadensis)
Madtom, chucky (Noturus crypticus)
Madtom, Neosho (Noturus placidus)
Madtom, orangefin (Noturus gilberti)
Madtom, pygmy (Noturus stanauli)
Madtom, saddled (Noturus fasciatus)
Madtom, Scioto (Noturus trautmani)
Madtom, smoky (Noturus baileyi)
Madtom, yellowfin (Noturus flavipinnis)
Mahoe (Alectryon macrococcus)
Makou (Peucedanum sandwicense)
Makou, (Ranunculus hawaiensis)
Malacothrix, island (Malacothrix squalida)
Malacothrix, Santa Cruz Island (Malacothrix indecora)
Mallow, Gierisch (Sphaeralcea gierischii)
Mallow, Kern (Eremalche kernensis)
Mallow, Peters Mountain (Iliamna corei)
Manaca, palma de (Calyptronoma rivalis)
Manatee, West Indian (Trichechus manatus)
Manioc, Walkers (Manihot walkerae)
Manzanita, Del Mar (Arctostaphylos glandulosa ssp. crassifolia)
Manzanita, Ione (Arctostaphylos myrtifolia)
Manzanita, Morro (Arctostaphylos morroensis)
Manzanita, pallid (Arctostaphylos pallida)
Manzanita, Presidio (Arctostaphylos hookeri var. ravenii)
Manzanita, Santa Rosa Island (Arctostaphylos confertiflora)
Ma`o hau hele, (=native yellow hibiscus) (Hibiscus brackenridgei)
Ma`oli`oli (Schiedea apokremnos)
Ma`oli`oli (Schiedea kealiae)
Mapele (Cyrtandra cyaneoides)
Mapleleaf, winged (Quadrula fragosa)
Marmoratus, brachyramphus (Marbled murrelet)
Marstonia, royal (snail) (Pyrgulopsis ogmorhaphe)
Massasauga (=Rattlesnake), eastern (Sistrurus catenatus)
Mayfly, diverse isonychian (Isonychia diversa)
Mayfly, tomah (Siphlonisca aerodromia)
Mazama, thomomys (Mazama pocket gopher)
Meadowfoam, Butte County (Limnanthes floccosa ssp. californica)
Meadowfoam, large-flowered woolly (Limanthes floccosa ssp. grandiflora
Meadowfoam, large-flowered woolly (Limnanthes floccosa ssp. grandiflora)
Meadowfoam, Sebastopol (Limnanthes vinculans)
Meadowrue, Cooleys (Thalictrum cooleyi)
Meadow-rue, piedmont (Thalictrum macrostylum)
Megapode, Micronesian (Megapodius laperouse)
Mehamehame (Flueggea neowawraea)
Mesa-mint, Otay (Pogogyne nudiuscula)
Mesa-mint, San Diego (Pogogyne abramsii)
Meshweaver, Braken Bat Cave (Cicurina venii)
Meshweaver, Government Canyon Bat Cave (Cicurina vespera)
Meshweaver, Madlas Cave (Cicurina madla)
Meshweaver, Robber Baron Cave (Cicurina baronia)
Meshweaver, warton cave (Cicurina wartoni)
Migratory Birds Trust Resources
Milkpea, Smalls (Galactia smallii)
Milk-vetch, Applegates (Astragalus applegatei)
Milk-vetch, Ash meadows (Astragalus phoenix)
Milk-vetch, Brauntons (Astragalus brauntonii)
Milk-vetch, Clara Hunts (Astragalus clarianus)
Milk-vetch, Coachella Valley (Astragalus lentiginosus var. coachellae)
Milk-vetch, coastal dunes (Astragalus tener var. titi)
Milk-vetch, Cushenbury (Astragalus albens)
Milk-vetch, debeque (Astragalus debequaeus)
Milk-vetch, Deseret (Astragalus desereticus)
Milk-vetch, Fish Slough (Astragalus lentiginosus var. piscinensis)
Milkvetch, goose creek (Astragalus anserinus)
Milk-vetch, gunnison (Astragalus anisus)
Milk-vetch, heliotrope (Astragalus montii)
Milk-vetch, Holmgren (Astragalus holmgreniorum)
Milk-vetch, horseshoe (Astragalus equisolensis)
Milk-vetch, Jesups (Astragalus robbinsii var. jesupi)
Milk-vetch, Lane Mountain (Astragalus jaegerianus)
Milk-vetch, Mancos (Astragalus humillimus)
Milk-vetch, Osterhout (Astragalus osterhoutii)
Milkvetch, packards (Astragalus cusickii var. packardiae)
Milk-vetch, Peirsons (Astragalus magdalenae var. peirsonii)
Milk-vetch, schmoll (Astragalus schmolliae)
Milk-vetch, Sentry (Astragalus cremnophylax var. cremnophylax)
Milk-vetch, Shivwits (Astragalus ampullarioides)
Milkvetch, sleeping ute (Astragalus tortipes)
Milk-vetch, triple-ribbed (Astragalus tricarinatus)
Milk-vetch, Ventura Marsh (Astragalus pycnostachyus var. lanosissimus)
Milkweed, Meads (Asclepias meadii)
Milkweed, Welshs (Asclepias welshii)
Millerbird, Nihoa (old world warbler) (Acrocephalus familiaris kingi)
Minnow, Devils River (Dionda diaboli)
Minnow, kanawha (Phenacobius teretulus)
Minnow, loach (Tiaroga cobitis)
Minnow, plains (Hybognathus placitus)
Minnow, Rio Grande silvery (Hybognathus amarus)
Minnow, western silvery (Hybognathus argyritis)
Mint, Garretts (Dicerandra christmanii)
Mint, Lakelas (Dicerandra immaculata)
Mint, longspurred (Dicerandra cornutissima)
Mint, scrub (Dicerandra frutescens)
Moccasinshell, Alabama (Medionidus acutissimus)
Moccasinshell, Coosa (Medionidus parvulus)
Moccasinshell, Gulf (Medionidus penicillatus)
Moccasinshell, Ochlockonee (Medionidus simpsonianus)
Moccasinshell, suwanee (Medionidus walkeri)
Monardella, willowy (Monardella viminea)
Monkeyface, Appalachian (pearlymussel) (Quadrula sparsa)
Monkeyface, Cumberland (pearlymussel) (Quadrula intermedia)
Monkey-flower, Michigan (Mimulus michiganensis)
Monkeyflower, vandenberg (Diplacus vandenbergensis)
Monkeyflower, vandenberg (Mimulus fremontii var. vandenbergensis)
Monkshood, northern wild (Aconitum noveboracense)
Moonwort, slender (Botrychium lineare)
Moorhen, Hawaiian common (Gallinula chloropus sandvicensis)
Moorhen, Mariana common (Gallinula chloropus guami)
Morning-glory, Stebbins (Calystegia stebbinsii)
Moss, gorge (Bryocrumia vivicolor)
Moth, Blackburns sphinx (Manduca blackburni)
Moth, fabulous green sphinx (Tinostoms smaragditis)
Moth, Kern primrose sphinx (Euproserpinus euterpe)
Moth, rattlesnake-master borer (Papaipema eryngii)
Moth, [unnamed] looper (Lytrosis permagnaria)
Moth, [unnamed] noctuid (Luperina trigona)
Mountain balm, Indian Knob (Eriodictyon altissimum)
Mountain beaver, Point Arena (Aplodontia rufa nigra)
Mountain-mahogany, Catalina Island (Cercocarpus traskiae)
Mountainmint, Torrey's (Pycnanthemum torrei)
Mountainsnail, ogden (Oreohelix peripherica wasatchensis)
Mouse, Alabama beach (Peromyscus polionotus ammobates)
Mouse, Anastasia Island beach (Peromyscus polionotus phasma)
Mouse, Choctawhatchee beach (Peromyscus polionotus allophrys)
Mouse, Key Largo cotton (Peromyscus gossypinus allapaticola)
Mouse, New Mexico meadow jumping (Zapus hudsonius luteus)
Mouse, Pacific pocket (Perognathus longimembris pacificus)
Mouse, Perdido Key beach (Peromyscus polionotus trissyllepsis)
Mouse, Prebles meadow jumping (Zapus hudsonius preblei)
Mouse, salt marsh harvest (Reithrodontomys raviventris)
Mouse, Santa Rosa beach (Peromyscus polionotus leucocephalus)
Mouse, southeastern beach (Peromyscus polionotus niveiventris)
Mouse, southern grasshopper (Onychomys torridus ramona)
Mouse, St. Andrew beach (Peromyscus polionotus peninsularis)
Mousetail, little (Myosurus minimus apus)
Mucket, orangenacre (Lampsilis perovalis)
Mucket, pink (pearlymussel) (Lampsilis abrupta)
Mudalia, black (Leptoxis melanoides)
Murrelet, kittlitzs (Brachyramphus brevirostris)
Murrelet, marbled (Brachyramphus marmoratus)
Murrelet, Xantuss (Synthliboramphus hypoleucus)
Muskrat, round-tailed (Neofiber alleni)
Mussel, oyster (Epioblasma capsaeformis)
Mussel, salamander (Simpsonaias ambigua)
Mussel, scaleshell (Leptodea leptodon)
Mussel, sheepnose (Plethobasus cyphyus)
Mussel, snuffbox (Epioblasma triquetra)
Mustard, Carters (Warea carteri)
Mustard, Penland alpine fen (Eutrema penlandii)
Mustard, slender-petaled (Thelypodium stenopetalum)
Myotis, southeastern (Myotis austroriparius)
Na`ena`e (Dubautia herbstobatae)
Na`ena`e (Dubautia imbricata imbricata)
Na`ena`e (Dubautia latifolia)
Na`ena`e (Dubautia pauciflorula)
Na`ena`e (Dubautia plantaginea magnifolia)
Na`ena`e (Dubautia plantaginea ssp. humilis)
Na`ena`e (Dubautia waialealae)
Nani wai`ale`ale (Viola kauaiensis var. wahiawaensis)
Nanu (Gardenia mannii)
Natricina, physa (Snake river physa snail)
Naucorid, Ash Meadows (Ambrysus amargosus)
Naupaka, dwarf (Scaevola coriacea)
Navarretia, few-flowered (Navarretia leucocephala ssp. pauciflora (=N. pauciflora)
Navarretia, few-flowered (Navarretia leucocephala ssp. pauciflora (=N. pauciflora))
Navarretia, many-flowered (Navarretia leucocephala ssp. plieantha)
Navarretia, spreading (Navarretia fossalis)
Nehe (Lipochaeta fauriei)
Nehe (Melanthera tenuifolia)
Nelsoniana, sidalcea (Nelson's checker-mallow)
Neosho (Lampsilis rafinesqueana)
Newt, striped (Notophthalmus perstriatus)
Nightjar, Puerto Rican (Caprimulgus noctitherus)
Nioi (Eugenia koolauensis)
Niterwort, Amargosa (Nitrophila mohavensis)
Nivosus, charadrius alexandrinus (Western snowy plover)
No common name (Abutilon eremitopetalum)
No Common Name (Abutilon sandwicense)
No Common Name (Achyranthes mutica)
No Common Name (Adiantum vivesii)
No Common Name (Agave eggersiana)
No Common Name (Amaranthus brownii)
No Common Name (Aristida chaseae)
No Common Name (Asplenium fragile insulare)
No Common Name (Auerodendron pauciflorum)
No Common Name (Bonamia menziesii)
No Common Name (Calyptranthes thomasiana)
No Common Name (Catesbaea melanocarpa)
No Common Name (Cephaloziella obtusilobula)
No Common Name (Chamaecrista glandulosa var. mirabilis)
No Common Name (Chamaesyce halemanui)
No Common Name (Cordia bellonis)
No Common Name (Cranichis ricartii)
No Common Name (Cyperus pennatiformis)
No Common Name (Daphnopsis hellerana)
No Common Name (Delissea rhytidosperma)
No Common Name (Delissea undulata)
No Common Name (Diellia falcata)
No Common Name (Diellia mannii)
No Common Name (Diellia pallida)
No Common Name (Diplazium molokaiense)
No Common Name (Doryopteris takeuchii)
No Common Name (Dryopteris glabra var. pusilla)
No Common Name (Elaphoglossum serpens)
No Common Name (Eugenia woodburyana)
No Common Name (Geocarpon minimum)
No Common Name (Gesneria pauciflora)
No Common Name (Gouania meyenii)
No Common Name (Gouania vitifolia)
No Common Name (Hesperomannia arborescens)
No Common Name (Hesperomannia arbuscula)
No Common Name (Hesperomannia lydgatei)
No Common Name (Hexastylis contracta)
No Common Name (Ilex sintenisii)
No Common Name (Kadua degeneri)
No Common Name (Kadua parvula)
No Common Name (Keysseria (=Lagenifera) helenae)
No Common Name (Lepanthes eltoroensis)
No Common Name (Leptocereus grantianus)
No Common Name (Lindera subcoriacea)
No Common Name (Lobelia gaudichaudii ssp. koolauensis)
No Common Name (Lobelia niihauensis)
No Common Name (Lobelia oahuensis)
No Common Name (Lotus purshianus helleri)
No Common Name (Lyonia truncata var. proctorii)
No Common Name (Lysimachia filifolia)
No Common Name (Lysimachia lydgatei)
No Common Name (Lysimachia maxima)
No Common Name (Lysimachia venosa)
No Common Name (Mitracarpus maxwelliae)
No Common Name (Mitracarpus polycladus)
No Common Name (Myrcia paganii)
No Common Name (Neraudia angulata)
No Common Name (Neraudia ovata)
No Common Name (Neraudia sericea)
No Common Name (Nesogenes rotensis)
No Common Name (Neviusia alabamensis)
No Common Name (Osmoxylon mariannense)
No Common Name (Phyllostegia bracteata)
No Common Name (Phyllostegia floribunda)
No Common Name (Phyllostegia haliakalae)
No Common Name (Phyllostegia hirsuta)
No Common Name (Phyllostegia hispida)
No Common Name (Phyllostegia kaalaensis)
No Common Name (Phyllostegia mannii)
No Common Name (Phyllostegia mollis)
No Common Name (Phyllostegia parviflora)
No Common Name (Phyllostegia velutina)
No Common Name (Phyllostegia waimeae)
No Common Name (Phyllostegia warshaueri)
No Common Name (Platanthera holochila)
No Common Name (Platydesma cornuta decurrens)
No Common Name (Platydesma remyi)
No Common Name (Poa siphonoglossa)
No common name (Polyscias racemosa)
No Common Name (Polystichum calderonense)
No Common Name (Potamogeton Floridanus)
No Common Name (Pteris lidgatei)
No Common Name (Remya kauaiensis)
No Common Name (Remya montgomeryi)
No Common Name (Rugelia nudicaulis)
No Common Name (Sanicula mariversa)
No Common Name (Sanicula purpurea)
No Common Name (Schiedea hookeri)
No Common Name (Schiedea kaalae)
No Common Name (Schiedea kauaiensis)
No Common Name (Schiedea lydgatei)
No Common Name (Schiedea membranacea)
No Common Name (Schiedea nuttallii)
No Common Name (Schiedea trinervis)
No Common Name (Schiedea verticillata)
No Common Name (Schoepfia arenaria)
No Common Name (Silene alexandri)
No Common Name (Silene hawaiiensis)
No Common Name (Silene lanceolata)
No Common Name (Spermolepis hawaiiensis)
No Common Name (Stenogyne angustifolia angustifolia)
No Common Name (Stenogyne bifida)
No Common Name (Stenogyne cranwelliae)
No Common Name (Stenogyne kanehoana)
No Common Name (Stenogyne kealiae)
No Common Name (Tectaria estremerana)
No Common Name (Ternstroemia subsessilis)
No Common Name (Tetramolopium arenarium)
No Common Name (Tetramolopium filiforme)
No Common Name (Tetramolopium rockii)
No Common Name (Tetraplasandra bisattenuata)
No Common Name (Thelypteris inabonensis)
No Common Name (Thelypteris verecunda)
No Common Name (Thelypteris yaucoensis)
No Common Name (Varronia rupicola)
No Common Name (Vernonia proctorii)
No Common Name (Vigna o-wahuensis)
No Common Name (Viola helenae)
No Common Name (Viola oahuensis)
No Common Name (Wikstroemia villosa)
No Common Name (Xylosma crenatum)
Nohoanu (Geranium hanaense)
Nohoanu (Geranium kauaiense)
Nohoanu (Geranium multiflorum)
No Species Defined
No species listed
No Species Present
Nui, haha (Cyanea horrida)
Nukupu`u (honeycreeper) (Hemignathus lucidus)
Oak, Hinckley (Quercus hinckleyi)
Oak, nuttalls scrub (Quercus dumosa)
Ocelot (Leopardus (=Felis) pardalis)
Oconee-bells, (Shortia galacifolia)
Oconee-bells, short-styled (Shortia galacifolia brevistyla)
Oha (Delissea subcordata)
Ohai (Sesbania tomentosa)
`Oha wai (Clermontia drepanomorpha)
`Oha wai (Clermontia lindseyana)
`Oha wai (Clermontia oblongifolia ssp. mauiensis)
`Oha wai (Clermontia peleana)
`Oha wai (Clermontia samuelii)
`ohe, (Joinvillea ascendens ascendens)
`Ohe`ohe (Tetraplasandra gymnocarpa)
Olulu (Brighamia insignis)
Onion, gooddings (Allium gooddingii)
Onion, Munzs (Allium munzii)
`O`o, Kauai (honeyeater) (Moho braccatus)
Opuhe (Urera kaalae)
Orb, golden (Quadrula aurea)
Orchid, eastern prairie fringed (Platanthera leucophaea)
Orchid, western prairie fringed (Platanthera praeclara)
Orchid, white fringeless (Platanthera integrilabia)
Orcutt grass, California (Orcuttia californica)
Orcutt grass, hairy (Orcuttia pilosa)
Orcutt grass, Sacramento (Orcuttia viscida)
Orcutt grass, San Joaquin (Orcuttia inaequalis)
Orcutt grass, slender (Orcuttia tenuis)
Orthocarpus, san bernardino mountains (Castilleja lasiorhyncha)
Ostracod, grayson crayfish (Ascetocthere cosmeta)
Ostracod, oconee crayfish (Cymocythere clavata)
Ostracod, pee dee crayfish (Dactylocythere peedeensis)
Ostracod, [unnamed] (Dactylocythere isabelae)
Ostracod, [unnamed] (Waltoncythere acuta)
Ostracod, whitewater crayfish (Dactylocythere prinsi)
Otter, northern Sea (Enhydra lutris kenyoni)
Otter, northern Sea (Enhydra lutris nereis)
Otter, southern sea (Enhydra lutris nereis)
`O`u (honeycreeper) (Psittirostra psittacea)
Owl, hawaiian short-eared (Asio flammeus sandwichensis)
Owl, Mexican spotted (Strix occidentalis lucida)
Owl, northern spotted (Strix occidentalis caurina)
Owls-clover, fleshy (Castilleja campestris ssp. succulenta)
Owl, western burrowing (Athene cunicularia hypugaea)
Owl, western burrowing (Athene cunicularia hypugea)
Oxytheca, cushenbury (Oxytheca parishii var. goodmaniana)
Paddlefish, (Polyodon spathula)
Pa`iniu (Astelia waialealae)
Paintbrush, aquarius (Castilleja aquariensis)
Paintbrush, ash-grey (Castilleja cinerea)
Paintbrush, christs (Castilleja christii)
Paintbrush, golden (Castilleja levisecta)
Paintbrush, monte neva (Castilleja salsuginosa)
Paintbrush, soft-leaved (Castilleja mollis)
Paintbrush, Tiburon (Castilleja affinis ssp. neglecta)
Palila (honeycreeper) (Loxioides bailleui)
Palo colorado (Ternstroemia luquillensis)
Palo de jazmin (Styrax portoricensis)
Palo de nigua (Cornutia obovata)
Palo de ramon (Banara vanderbiltii)
Palo de rosa (Ottoschulzia rhodoxylon)
Pamakani (Viola chamissoniana ssp. chamissoniana)
Panicgrass, Carters (Panicum fauriei var. carteri)
Panther, Florida (Puma concolor couguar)
Panther, Florida (Puma (=Felis) concolor coryi)
Papala (Charpentiera densiflora)
Papershell, cumberland (Anodontoides denigrata)
Parnassus, largeleaf grass of (Parnassia grandifolia)
Parrotbill, Maui (honeycreeper) (Pseudonestor xanthophrys)
Parrot, Puerto Rican (Amazona vittata)
Parrot, red-crowned (Amazona viridigenalis)
Pauoa (Ctenitis squamigera)
Pawpaw, beautiful (Deeringothamnus pulchellus)
Pawpaw, four-petal (Asimina tetramera)
Pawpaw, Rugels (Deeringothamnus rugelii)
Pea, big pine partridge (Chamaecrista lineata keyensis)
Pearlshell, Alabama (Margaritifera marrianae)
Pearlshell, Louisiana (Margaritifera hembeli)
Pearlymussel, birdwing (Conradilla caelata)
Pearlymussel, birdwing (Lemiox rimosus)
Pearlymussel, cracking (Hemistena lata)
Pearlymussel, Curtis (Epioblasma florentina curtisii)
Pearlymussel, Curtis (Epioblasma florentina walkeri)
Pearlymussel, dromedary (Dromus dromas)
Pearlymussel, littlewing (Pegias fabula)
Pearlymussel, slabside (Pleuronaia dolabelloides)
Pea, Torrey's (Lathyrus torreyi)
Pebblesnail, atlas (Somatogyrus humerosus)
Pebblesnail, flat (Lepyrium showalteri)
Pebblesnail, golden (Somatogyrus aureus)
Pebblesnail, opaque (Somatogyrus Tennesseensis)
Pebblesnail, ovate (Somatogyrus excavatus)
Pebblesnail, quadrate (Somatogyrus quadratus)
Pebblesnail, rolling (Somatogyrus strengi)
Pebblesnail, sparrow (Somatogyrus parvulus)
Pelican, brown (Pelecanus occidentalis)
Pelican, brown (Pelecanus occidentalis californicus)
Pelos del diablo (Aristida portoricensis)
Penny-cress, Kneeland Prairie (Thlaspi californicum)
Pennyroyal, Todsens (Hedeoma todsenii)
Penstemon, blowout (Penstemon haydenii)
Pentachaeta, Lyons (Pentachaeta lyonii)
Pentachaeta, white-rayed (Pentachaeta bellidiflora)
Peperomia, Wheelers (Peperomia wheeleri)
Peppergrass, ostlers (Lepidium ostleri)
Peppergrass, Slickspot (Lepidium papilliferum)
Petrel, Hawaiian dark-rumped (Pterodroma phaeopygia sandwichensis)
Petrel, Hawaiian (Pterodroma sandwichensis)
Phacelia, clay (Phacelia argillacea)
Phacelia, DeBeque (Phacelia submutica)
Phacelia, island (Phacelia insularis ssp. insularis)
Phacelia, North Park (Phacelia formosula)
Phlox, Texas trailing (Phlox nivalis ssp. texensis)
Phlox, Yreka (Phlox hirsuta)
Pigeon, Puerto Rican plain (Columba inornata wetmorei)
Pigeon wings (Clitoria fragrans)
Pigtoe, atlantic (Fusconaia masoni)
Pigtoe, Cumberland (Pleurobema gibberum)
Pigtoe, dark (Pleurobema furvum)
Pigtoe, finerayed (Fusconaia cuneolus)
Pigtoe, flat (Pleurobema marshalli)
Pigtoe, fuzzy (Pleurobema strodeanum)
Pigtoe, Georgia (Pleurobema hanleyianum)
Pigtoe, heavy (Pleurobema taitianum)
Pigtoe, narrow (Fusconaia escambia)
Pigtoe, oval (Pleurobema pyriforme)
Pigtoe, rough (Pleurobema plenum)
Pigtoe, shiny (Fusconaia cor)
Pigtoe, southern (Pleurobema georgianum)
Pigtoe, tapered (Fusconaia burkei)
Pikeminnow (=squawfish), Colorado (Ptychocheilus lucius)
Pilo (Hedyotis mannii)
Pilo kea lau li`i (Platydesma rostrata)
Pimpleback, orangefoot (pearlymussel) (Plethobasus cooperianus)
Pimpleback, smooth (Quadrula houstonensis)
Pimpleback, Texas (Quadrula petrina)
Pine, whitebark (Pinus albicaulis)
Pink, ring (mussel) (Obovaria retusa)
Pinkroot, gentian (Spigelia gentianoides)
Pink, swamp (Helonias bullata)
Piperia, Yadons (Piperia yadonii)
Pipit, Sprague's (Anthus spragueii)
Piratebush, (Buckleya distichophylla)
Pitaya, Davis green (Echinocereus viridiflorus var. davisii)
Pitcher-plant, Alabama canebrake (Sarracenia rubra ssp. alabamensis)
Pitcher-plant, green (Sarracenia oreophila)
Pitcher-plant, mountain sweet (Sarracenia rubra ssp. jonesii)
Pitcher-plant, [unnamed] (Sarracenia leucophylla)
Pitcher-sage, heart-leaved (Lepechinia cardiophylla)
Plantain, pineland (Plantago sparsiflora)
Plover, mountain (Charadrius montanus)
Plover, piping (Charadrius melodus)
Plover, piping (Charadrius melodus: Great Lakes)
Plover, piping (Charadrius melodus: Non-Great)
Plover, Southeastern snowy (Charadrius alexandrinus tenuirostris)
Plover, western snowy (Charadrius alexandrinus nivosus)
Plum, scrub (Prunus geniculata)
Pocketbook, fat (Potamilus capax)
Pocketbook, finelined (Lampsilis altilis)
Pocketbook, lined (Lampsilis binominata)
Pocketbook, Ouachita rock (Arkansia wheeleri)
Pocketbook, shinyrayed (Lampsilis subangulata)
Pocketbook, speckled (Lampsilis streckeri)
Pocket gopher, Roy prairie (Thomomys mazama glacialis)
Pocket gopher, Yelm (Thomomys mazama yelmensis)
Po`e (Portulaca sclerocarpa)
Pogonia, small whorled (Isotria medeoloides)
Polygala, Lewtons (Polygala lewtonii)
Polygala, tiny (Polygala smallii)
Polygonum, Scotts Valley (Polygonum hickmanii)
Polypody, dwarf (Grammitis nimbata)
Pomace fly, [unnamed] (Drosophila aglaia)
Pomace fly, [unnamed] (Drosophila differens)
Pomace fly, [unnamed] (Drosophila hemipeza)
Pomace fly, [unnamed] (Drosophila heteroneura)
Pomace fly, [unnamed] (Drosophila montgomeryi)
Pomace fly, [unnamed] (Drosophila musaphilia)
Pomace fly, [unnamed] (Drosophila obatai)
Pomace fly, [unnamed] (Drosophila substenoptera)
Pomace fly, [unnamed] (Drosophila tarphytrichia)
Pondberry (Lindera melissifolia)
Pondspice, (Litsea aestivalis)
Pondweed, Little Aguja (=Creek) (Potamogeton clystocarpus)
Poolfish, Pahrump (Empetrichthys latos)
Po`ouli (honeycreeper) (Melamprosops phaeosoma)
Popcornflower, rough (Plagiobothrys hirtus)
Popolo ku mai (Solanum incompletum)
Popolo, (Solanum nelsonii)
Poppy-mallow, Texas (Callirhoe scabriuscula)
Poppy, Sacramento prickly (Argemone pleiacantha ssp. pinnatisecta)
Population, san francisco bay delta (Spirinchus thaleichthys)
Potato-bean, Prices (Apios priceana)
Potentilla, Hickmans (Potentilla hickmanii)
Prairie-chicken, Attwaters greater (Tympanuchus cupido attwateri)
Prairie-chicken, lesser (Tympanuchus pallidicinctus)
Prairie-clover, Florida (Dalea carthagenensis Floridana)
Prairie-clover, leafy (Dalea foliosa)
Prairie dog, Utah (Cynomys parvidens)
Pretiosa, rana (Oregon spotted frog)
Prickly-apple, aboriginal (Harrisia (=Cereus) aboriginum (=gracilis))
Prickly-apple, fragrant (Cereus eriophorus var. fragrans)
Prickly-ash, St. Thomas (Zanthoxylum thomasianum)
Primrose, Maguire (Primula maguirei)
Pronghorn, Sonoran (Antilocapra Americana sonoriensis)
Pseudoscorpion, Tooth Cave (Tartarocreagris texana)
Pugetensis, thomomys mazama (Olympia pocket gopher)
Puma (=cougar), eastern (Puma (=Felis) concolor couguar)
Pupfish, Ash Meadows Amargosa (Cyprinodon nevadensis mionectes)
Pupfish, Comanche Springs (Cyprinodon elegans)
Pupfish, desert (Cyprinodon macularius)
Pupfish, Devils Hole (Cyprinodon diabolis)
Pupfish, Leon Springs (Cyprinodon bovinus)
Pupfish, Owens (Cyprinodon radiosus)
Pupfish, Pecos (Cyprinodon Pecosensis)
Pupfish, Warm Springs (Cyprinodon nevadensis pectoralis)
Purple cats paw (=purple cats paw pearlymussel) (Epioblasma obliquata obliquata)
Pussypaws, Mariposa (Calyptridium pulchellum)
Pu`uka`a (Cyperus trachysanthos)
Pygmy-owl, cactus ferruginous (Glaucidium brasilianum cactorum)
Pygmypipes, (Monotropsis odorata)
Quillwort, black spored (Isoetes melanospora)
Quillwort, Louisiana (Isoetes louisianensis)
Quillwort, mat-forming (Isoetes tegetiformans)
Quillwort, virginia (Isoetes virginica)
Rabbit, appalachian cottontail (Sylvilagus obscurus)
Rabbit, Lower Keys marsh (Sylvilagus palustris hefneri)
Rabbit, new england cottontail (Sylvilagus transitionalis)
Rabbit, pygmy (Brachylagus Idahoensis)
Rabbit, riparian brush (Sylvilagus bachmani riparius)
Rabbitsfoot, rough (Quadrula cylindrica cylindrica)
Rabbitsfoot, rough (Quadrula cylindrica strigillata)
Ragwort, piedmont (Packera millefolia)
Ragwort, San Francisco Peaks (Packera franciscana)
Rail, black (Laterallus jamaicensis)
Rail, California clapper (Rallus longirostris obsoletus)
Rail, Guam (Rallus owstoni)
Rail, light-footed clapper (Rallus longirostris levipes)
Rail, Yuma clapper (Rallus longirostris yumanensis)
Ramshorn, magnificent (Planorbella magnifica)
Rat, rice (Oryzomys palustris natator)
Rattlesnake, New Mexican ridge-nosed (Crotalus willardi obscurus)
Rattlesnake, northern red diamond (Crotalus ruber ruber)
Rattlesnake, timber (Crotalus horridus)
Rattleweed, hairy (Baptisia arachnifera)
Redhorse, greater (Moxostoma valenciennesi)
Redhorse, robust (Moxostoma robustum)
Redhorse, sicklefin (Moxostoma sp.)
Reedgrass, Cain's (Calamagrostis cainii)
Reed-mustard, Barneby (Schoenocrambe barnebyi)
Reed-mustard, clay (Schoenocrambe argillacea)
Reed-mustard, shrubby (Schoenocrambe suffrutescens)
Remya, Maui (Remya mauiensis)
Rhododendron, Chapman (Rhododendron chapmanii)
Rice rat (Oryzomys palustris natator)
Ridge-cress, Barneby (Lepidium barnebyanum)
Riffleshell, northern (Epioblasma torulosa rangiana)
Riffleshell, tan (Epioblasma florentina walkeri (=E. walkeri)
Ring pink (mussel) (Obovaria retusa)
Riversnail, Anthonys (Athearnia anthonyi)
Riversnail, spiny (Io fluvialis)
Rock-aster, Alexander's (Eurybia avita)
Rock-cress, Brauns (Arabis perstellata)
Rockcress, fremont county (Boechera pusilla)
Rockcress, georgia (Arabis georgiana)
Rock-cress, Hoffmanns (Arabis hoffmannii)
Rock-cress, McDonalds (Arabis macdonaldiana)
Rockcress, Santa Cruz Island (Sibara filifolia)
Rock-cress, shale barren (Arabis serotina)
Rocksnail, armored (Lithasia armigera)
Rocksnail, helmet (Lithasia duttoniana)
Rocksnail, interrupted (=Georgia) (Leptoxis foremani)
Rocksnail, muddy (Lithasia salebrosa)
Rocksnail, onyx (Leptoxis praerosa)
Rocksnail, ornate (Lithasia geniculata)
Rocksnail, painted (Leptoxis taeniata)
Rocksnail, plicate (Leptoxis plicata)
Rocksnail, round (Leptoxis ampla)
Rocksnail, rugose (Lithasia jayana)
Rocksnail, smooth (Leptoxis virgata)
Rocksnail, varicose (Lithasia verrucosa)
Rocksnail, warty (Lithasia lima)
Root, barbed rattlesnake (Prenanthes barbata)
Rose-mallow, neches river (Hibiscus dasycalyx)
Rose-mallow, neches River (Hibiscus dasycalyx)
Rosemary, Apalachicola (Conradina glabra)
Rosemary, Cumberland (Conradina verticillata)
Rosemary, Etonia (Conradina etonia)
Rosemary, short-leaved (Conradina brevifolia)
Roseroot, Leedys (Rhodiola integrifolia ssp. leedyi)
Rush-pea, slender (Hoffmannseggia tenella)
Rush-rose, island (Helianthemum greenei)
Sage-grouse, greater (Centrocercus urophasianus)
Sage-grouse, gunnison (Centrocercus minimus)
Sage-grouse, Gunnison - entire (Centrocercus minimus)
Sage, orocopia (Salvia greatai)
Salamander, Austin blind (Eurycea waterlooensis)
Salamander, Barton Springs (Eurycea sosorum)
Salamander, California tiger (Ambystoma californiense)
Salamander, Cheat Mountain (Plethodon nettingi)
Salamander, comal blind (Eurycea tridentifera)
Salamander, desert slender (Batrachoseps aridus)
Salamander, frosted flatwoods (Ambystoma cingulatum)
Salamander, georgetown (Eurycea naufragia)
Salamander, green (Aneides aeneus)
Salamander, Jemez Mountains (Plethodon neoMexicanus)
Salamander, Jollyville Plateau (Eurycea tonkawae)
Salamander, junaluska (Eurycea junaluska)
Salamander, pygmy (Desmognathus wrighti)
Salamander, Red Hills (Phaeognathus hubrichti)
Salamander, Reticulated flatwoods (Ambystoma bishopi)
Salamander, Salado (Eurycea chisholmensis)
Salamander, San Marcos (Eurycea nana)
Salamander, Santa Cruz long-toed (Ambystoma macrodactylum croceum)
Salamander, seepage (Desmognathus aeneus)
Salamander, Shenandoah (Plethodon shenandoah)
Salamander, Sonora tiger (Ambystoma tigrinum stebbinsi)
Salamander, Tennessee cave (Gyrinophilus palleucus)
Salamander, Texas blind (Typhlomolge rathbuni)
Salmon, Atlantic (Salmo salar)
Salmon, chinook (Oncorhynchus (=Salmo) tshawytscha)
Salmon, chum (Oncorhynchus (=Salmo) keta)
Salmon, coho (Oncorhynchus (=Salmo) kisutch)
Salmon, sockeye (Oncorhynchus (=Salmo) nerka)
Sandalwood, Lanai (=`iliahi) (Santalum freycinetianum var. lanaiense)
Sandlace (Polygonella myriophylla)
Sandmat, pineland (Chamaesyce deltoidea pinetorum)
Sandshell, Southern (Hamiota australis)
Sand-verbena, large-fruited (Abronia macrocarpa)
Sandwort, Bear Valley (Arenaria ursina)
Sandwort, Cumberland (Arenaria cumberlandensis)
Sandwort, Marsh (Arenaria paludicola)
Sapsucker, yellow-bellied (Sphyrapicus varius)
Sawfish, smalltooth (Pristis pectinata)
Saxifrage, grays (Saxifraga caroliniana)
Schiedea, diamond head (Schiedea adamantis)
Scrub-jay, Florida (Aphelocoma coerulescens)
Sculpin, grotto (Cottus sp.)
Sculpin, Grotto (Cottus specus)
Sculpin, pygmy (Cottus paulus (=pygmaeus))
Scurfpea, bigleaf (Orbexilum macrophyllum)
Seablite, California (Suaeda californica)
Seagrass, Johnsons (Halophila johnsonii)
Seal, Caribbean monk (Monachus tropicalis)
Seal, Hawaiian monk (Monachus schauinslandi)
Sea-lion, Steller (Eumetopias jubatus)
Sea turtle, green (Chelonia mydas)
Sea turtle, hawksbill (Eretmochelys imbricata)
Sea turtle, Kemps ridley (Lepidochelys kempii)
Sea turtle, leatherback (Dermochelys coriacea)
Sea turtle, loggerhead (Caretta caretta)
Sea turtle, olive ridley (Lepidochelys olivacea)
Sedge, golden (Carex lutea)
Sedge, Navajo (Carex specuicola)
Sedge, ravine (Carex impressinervia)
Sedge, [unnamed] (Carex communis amplisquama)
Sedge, [unnamed] (Carex impressinervia)
Sedge, [unnamed] (Carex roanensis)
Sedge, white (Carex albida)
Shagreen, Magazine Mountain (Inflectarius magazinensis)
Shearwater, Newells Townsends (Puffinus auricularis newelli)
Sheep, Peninsular bighorn (Ovis canadensis nelsoni)
Sheep, Peninsular bighorn (Ovis canadensis pop 2)
Sheep, Peninsular bighorn (Ovis canadensis pop 3)
Sheep, Sierra Nevada bighorn (Ovis canadensis sierrae)
Shiner, altamaha (Cyprinella xaenura)
Shiner, Arkansas River (Notropis girardi)
Shiner, beautiful (Cyprinella formosa)
Shiner, blue (Cyprinella caerulea)
Shiner, bluestripe (Cyprinella callitaenia)
Shiner, Cahaba (Notropis cahabae)
Shiner, Cape Fear (Notropis mekistocholas)
Shiner, highscale (Notropis hypsilepis)
Shiner, ocmulgee (Cyprinella callisema)
Shiner, palezone (Notropis albizonatus)
Shiner, Pecos bluntnose (Notropis simus Pecosensis)
Shiner, sharpnose (Notropis oxyrhynchus)
Shiner, smalleye (Notropis buccula)
Shiner, Topeka (Notropis topeka
Shiner, Topeka (Notropis topeka)
Shrew, Buena Vista Lake ornate (Sorex ornatus relictus)
Shrew, southern water (Sorex palustris punctulatus)
Shrike, San Clemente loggerhead (Lanius ludovicianus mearnsi)
Shrimp, Alabama cave (Palaemonias alabamae)
Shrimp, anchialine pool (Metabetaeus lohena)
Shrimp, anchialine pool (Palaemonella burnsi)
Shrimp, California freshwater (Syncaris pacifica)
Shrimp, Kentucky cave (Palaemonias ganteri)
Shrimp, Squirrel Chimney Cave (Palaemonetes cummingi)
Sideswimmer, yancey (Stygobromus carolinensis)
Siler pincushion cactus (Pediocactus (=Echinocactus,=Utahia) sileri)
Silverbush, blodgetts (Argythamnia blodgettii)
Silverside, Waccamaw (Menidia extensa)
Silversword, Mauna Loa (=Kau) (Argyroxiphium kauense)
Skimmer, margarita river (Macromia margarita)
Skink, bluetail mole (Eumeces egregius lividus)
Skink, coronado (Eumeces skiltonianus interparietalis)
Skink, sand (Neoseps reynoldsi)
Skipper, Carson wandering (Pseudocopaeodes eunus obscurus)
Skipper, Dakota (Hesperia dacotae)
Skipper, dun (Euphyes vestris harbisoni)
Skipper, eastern beard grass (Atrytone arogos arogos)
Skipper, grizzled (Pyrgus centaureae)
Skipper, Laguna Mountains (Pyrgus ruralis lagunae)
Skipperling, Poweshiek (Oarisma Poweshiek)
Skipper, mardon (Polites mardon)
Skipper, Pawnee montane (Hesperia leonardus montana)
Skipper, wandering (Panoquina errans)
Skistodiaptomus, carolina (Skistodiaptomus carolinensis)
Skullcap, Florida (Scutellaria Floridana)
Skullcap, large-flowered (Scutellaria montana)
Skullcap, [unnamed] (Scutellaria ocmulgee)
Skyrocket, Pagosa (Ipomopsis polyantha)
Slabshell, Chipola (Elliptio chipolaensis)
Slater, bennets mill cave water (Caecidotea carolinensis)
Smelt, delta (Hypomesus transpacificus)
Snail, armored (Pyrgulopsis (=Marstonia) pachyta)
Snail, Bliss Rapids (Taylorconcha serpenticola)
Snail, boulder (Leptoxis crassa)
Snail, Chittenango ovate amber (Succinea chittenangoensis)
Snail, diamond-y pond (Physella bottimeri)
Snail, flat-spired three-toothed (Triodopsis platysayoides)
Snail, fragile tree (Samoana fragilis)
Snail, guam tree (Partula radiolata)
Snail, hawai`i tree (Partulina confusa)
Snail, hawai`i tree (Partulina horneri)
Snail, hawai`i tree (Partulina physa)
Snail, humped tree (Partula gibba)
Snail, Iowa Pleistocene (Discus macclintocki)
Snail, lanai tree (Partulina crassa)
Snail, Lanai tree (Partulina semicarinata)
Snail, Lanai tree (Partulina variabilis)
Snail, maui tree (Partulina anceyana)
Snail, maui tree (Partulina carnicolor)
Snail, maui tree (Partulina crocea)
Snail, maui tree (Partulina dolei)
Snail, maui tree (Partulina fusoidea)
Snail, maui tree (Partulina germana)
Snail, maui tree (Partulina gouldii)
Snail, maui tree (Partulina grisea)
Snail, maui tree (Partulina induta)
Snail, maui tree (Partulina kaaeana)
Snail, maui tree (Partulina lemmoni)
Snail, maui tree (Partulina marmorata)
Snail, maui tree (Partulina mutabilis)
Snail, maui tree (Partulina natti)
Snail, maui tree (Partulina nivea)
Snail, maui tree (Partulina perdix)
Snail, maui tree (Partulina plumbea)
Snail, maui tree (Partulina porcellana)
Snail, maui tree (Partulina radiata)
Snail, maui tree (Partulina splendida)
Snail, maui tree (Partulina tapaniana)
Snail, maui tree (Partulina terebra)
Snail, maui tree (Partulina thaanumiana)
Snail, maui tree (Partulina ustulata)
Snail, maui tree (Partulina winniei)
Snail, moloka`i tree (Partulina dwightii)
Snail, moloka`i tree (Partulina mighelsiana)
Snail, moloka`i tree (Partulina mucida)
Snail, moloka`i tree (Partulina proxima)
Snail, moloka`i tree (Partulina redfieldii)
Snail, moloka`i tree (Partulina rufa)
Snail, moloka`i tree (Partulina subpolita)
Snail, moloka`i tree (Partulina tessellata)
Snail, moloka`i tree (Partulina theodorei)
Snail, moloka`i tree (Partulina virgulata)
Snail, Morro shoulderband (=Banded dune) (Helminthoglypta walkeriana)
Snail, Newcombs (Erinna newcombi)
Snail, newcombs tree (Newcombia canaliculata)
Snail, newcombs tree (Newcombia perkinsi)
Snail, newcombs tree (Newcombia pfeifferi)
Snail, newcombs tree (Newcombia sulcata)
Snail, noonday (Mesodon clarki nantahala)
Snail, oahu tree (Achatinella apexfulva)
Snail, oahu tree (Achatinella bulimoides)
Snail, oahu tree (Achatinella byronii)
Snail, oahu tree (Achatinella concavospira)
Snail, oahu tree (Achatinella curta)
Snail, oahu tree (Achatinella decipiens)
Snail, oahu tree (Achatinella fulgens)
Snail, oahu tree (Achatinella fuscobasis)
Snail, oahu tree (Achatinella leucorraphe)
Snail, oahu tree (Achatinella lila)
Snail, oahu tree (Achatinella livida)
Snail, oahu tree (Achatinella mustelina)
Snail, oahu tree (Achatinella pulcherrima)
Snail, oahu tree (Achatinella sowerbyana)
Snail, oahu tree (Achatinella stewartii)
Snail, oahu tree (Achatinella thaahumi)
Snail, painted snake coiled forest (Anguispira picta)
Snail, Pecos assiminea (Assiminea Pecos)
Snail, Snake River physa (Physa natricina)
Snails, Oahu tree (Achatinella spp.)
Snail, Stock Island tree (Orthalicus reses(not)
Snail, tulotoma (Tulotoma magnifica)
Snail, tutuila tree (Eua zebrina)
Snail, umbilicate river (Leptoxis subglubosa umbilicata)
Snail, Utah valvata (Valvata utahensis)
Snail, Virginia fringed mountain (Polygyriscus virginianus)
Snail, waianae tree (Partulina dubia)
Snake, Atlantic salt marsh (Nerodia clarkii taeniata)
Snake, black pine (Pituophis melanoleucus lodingi)
Snake, Concho water (Nerodia paucimaculata)
Snake, copperbelly water (Nerodia erythrogaster neglecta)
Snake, eastern indigo (Drymarchon corais couperi)
Snake, Florida pine (Pituophis melanoleucus mugitus)
Snake, giant garter (Thamnophis gigas)
Snake, Lake Erie water (Nerodia sipedon insularum)
Snake, louisiana pine (Pituophis ruthveni)
Snake, narrow-headed garter (Thamnophis rufipunctatus)
Snake, northern pine (Pituophis melanoleucus melanoleucus)
Snakeroot (Eryngium cuneifolium)
Snake, San Diego ringneck (Diadophis punctatus similis)
Snake, San Francisco garter (Thamnophis sirtalis tetrataenia)
Snake, southern hognose (Heterodon simus)
Snaketail, edmunds (Ophiogomphus edmundo)
Snaketail, midget (Ophiogomphus howei)
Snake, Tuscon shovel-nosed (Chionactis occipitalis klauberi)
Snake, two-striped garter (Thamnophis hammondii)
Sneezeweed, Virginia (Helenium virginicum)
Snowbells, Texas (Styrax texanus)
Snowfly, arapahoe (Arsapnia arapahoe)
Snowfly, arapahoe (Capnia arapahoe)
Spadefoot, western (Spea hammondii)
Spaldingii, silene (Spalding's catchfly)
Sparrow, Bachman's (Aimophila aestivalis)
Sparrow, Belding's savannah (Passerculus sandwichensis beldingi)
Sparrow, Cape Sable seaside (Ammodramus maritimus mirabilis)
Sparrow, Florida grasshopper (Ammodramus savannarum Floridanus)
Sparrow, Henslow's (Ammodramus henslowii)
Sparrow, San Clemente sage (Amphispiza belli clementeae)
Sparrow, southern california rufous-crowned (Aimophila ruficeps canescens)
Spectaclecase (mussel) (Cumberlandia monodonta)
Spicebush, bog (Lindera subcoriacea)
Spider, cave spring cave (Nesticus jonesi)
Spider, Government Canyon Bat Cave (Neoleptoneta microps)
Spider, Kauai cave wolf or pee pee maka ole (Adelocosa anops)
Spider-lily, shoals (Hymenocallis coronaria)
Spider, lost nantahala cave (Nesticus cooperi)
Spider, spruce-fir moss (Microhexura montivaga)
Spider, Tooth Cave (Leptoneta myopica)
Spider, Tooth Cave (Neoleptoneta myopica)
Spikedace (Meda fulgida)
Spinedace, Big Spring (Lepidomeda mollispinis pratensis)
Spinedace, Little Colorado (Lepidomeda vittata)
Spinedace, White River (Lepidomeda albivallis)
Spineflower, Ben Lomond (Chorizanthe pungens var. hartwegiana)
Spineflower, Howells (Chorizanthe howellii)
Spineflower, Monterey (Chorizanthe pungens var. pungens)
Spineflower, Orcutts (Chorizanthe orcuttiana)
Spineflower, robust (Chorizanthe robusta (incl. vars. robusta and hartwegii))
Spineflower, san fernando valley (Chorizanthe parryi var. fernandina)
Spineflower, slender-horned (Dodecahema leptoceras)
Spineflower, Sonoma (Chorizanthe valida)
Spinymussel, Altamaha (Elliptio spinosa)
Spinymussel, James (Pleurobema collina)
Spinymussel, Tar River (Elliptio steinstansana)
Spiraea, Virginia (Spiraea virginiana)
Springfish, Hiko White River (Crenichthys baileyi grandis)
Springfish, Railroad Valley (Crenichthys nevadae)
Springfish, White River (Crenichthys baileyi baileyi)
Springsnail, Alamosa (Tryonia alamosae)
Springsnail, Bruneau Hot (Pyrgulopsis bruneauensis)
Springsnail, Chupadera (Pyrgulopsis chupaderae)
Springsnail, elongate mud meadows (Pyrgulopsis notidicola)
Springsnail, gila (Pyrgulopsis gilae)
Springsnail, huachuca (Pyrgulopsis thompsoni)
Springsnail, Idaho (Pyrgulopsis Idahoensis)
Springsnail, Kosters (Juturnia kosteri)
Springsnail, page (Pyrgulopsis morrisoni)
Springsnail, phantom (Pyrgulopsis texana)
Springsnail, Roswell (Pyrgulopsis roswellensis)
Springsnail, San Bernardino (Pyrgulopsis bernardina)
Springsnail, Socorro (Pyrgulopsis neoMexicana)
Springsnail, Three Forks (Pyrgulopsis trivialis)
Spurge, darlingtons (Euphorbia purpurea)
Spurge, deltoid (Chamaesyce deltoidea ssp. deltoidea)
Spurge, Garbers (Chamaesyce garberi)
Spurge, Hoovers (Chamaesyce hooveri)
Spurge, telephus (Euphorbia telephioides)
Spurge, wedge (Chamaesyce deltoidea serpyllum)
Squirrel, Carolina northern flying (Glaucomys sabrinus coloratus)
Squirrel, Delmarva Peninsula fox (Sciurus niger cinereus)
Squirrel, Mount Graham red (Tamiasciurus hudsonicus grahamensis)
Squirrel, northern Idaho ground (Spermophilus brunneus brunneus)
Squirrel, palm springs round-tailed ground (=coachella valley) (Spermophilus tereticaudus chlorus)
Squirrel, southern Idaho ground (Urocitellus endemicus)
Squirrel, Virginia northern flying (Glaucomys sabrinus fuscus)
Squirrel, washington ground (Urocitellus washingtoni)
Steelhead (Oncorhynchus (=Salmo) mykiss)
Stickleback, unarmored threespine (Gasterosteus aculeatus williamsoni)
Stickseed, showy (Hackelia venusta)
Stilt, Hawaiian (Himantopus Mexicanus knudseni)
Stirrupshell (Quadrula stapes)
Stitchwort, water (Stellaria fontinalis)
Stonecrop, Lake County (Parvisedum leiocarpum)
Stonecrop, nevius (Sedum nevii)
Stonefly, meltwater lednian (Lednia tumana)
Stork, wood (Mycteria Americana)
Storm-petrel, band-rumped (Oceanodroma castro)
Strawberry, piedmont barren (Waldsteinia lobata)
Strigata, eremophila alpestris (Streaked horned lark)
Sturgeon, Alabama (Scaphirhynchus suttkusi)
Sturgeon, Atlantic (Acipenser oxyrinchus oxyrinchus)
Sturgeon, Atlantic (Gulf subspecies) (Acipenser oxyrinchus (=oxyrhynchus) desotoi)
Sturgeon, gulf (Acipenser oxyrinchus desotoi)
Sturgeon, lake (Acipenser fulvescens)
Sturgeon, North American green (Acipenser medirostris)
Sturgeon, pallid (Scaphirhynchus albus)
Sturgeon, shortnose (Acipenser brevirostrum)
Sturgeon, white (Acipenser transmontanus)
Sucker, flannelmouth (Catostomus latipinnis)
Sucker, June (Chasmistes liorus)
Sucker, Lost River (Deltistes luxatus)
Sucker, Modoc (Catostomus microps)
Sucker, razorback (Xyrauchen texanus)
Sucker, Santa Ana (Catostomus santaanae)
Sucker, shortnose (Chasmistes brevirostris)
Sucker, Warner (Catostomus warnerensis)
Sucker, Zuni bluehead (Catostomus discobolus yarrowi)
Sumac, Michauxs (Rhus michauxii)
Sunburst, Hartwegs golden (Pseudobahia bahiifolia)
Sunburst, San Joaquin adobe (Pseudobahia peirsonii)
Sunfish, spring pygmy (Elassoma alabamae)
Sunflower, Eggert's (Helianthus eggertii)
Sunflower, Pecos (=puzzle, =paradox) (Helianthus paradoxus)
Sunflower, San Mateo woolly (Eriophyllum latilobum)
Sunflower, Schweinitzs (Helianthus schweinitzii)
Sunflower, whorled (Helianthus verticillatus)
Sunray, Ash Meadows (Enceliopsis nudicaulis var. corrugata)
Sunshine, Sonoma (Blennosperma bakeri)
Supercoil, fragile (Glyphyalinia clingmani)
Supercoil, roan (Paravitrea varidens)
Supercoil, sculpted (Paravitrea ternaria)
Susan, pinnately-lobed brown-eyed (Rudbeckia triloba var. pinnatiloba)
Swiftlet, Mariana gray (Aerodramus vanikorensis bartschi)
Tadpole shrimp, vernal pool (Lepidurus packardi)
Taraxacum, California (Taraxacum californicum)
Tarplant, Gaviota (Deinandra increscens ssp. villosa)
Tarplant, Otay (Deinandra (=Hemizonia) conjugens)
Tarplant, Santa Cruz (Holocarpha macradenia)
Taylori, euphydryas editha (Taylor's (=whulge) checkerspot)
Tern, black (Chlidonias niger)
Tern, California least (Sterna antillarum browni)
Tern, common (Sterna hirundo)
Tern, elegant (Sterna elegans)
Tern, least (Sterna antillarum)
Tern, roseate (Sterna dougallii dougallii)
Thelypody, Howell's spectacular (Thelypodium howellii spectabilis
Thelypody, Howells spectacular (Thelypodium howellii spectabilis)
Thistle, Chorro Creek bog (Cirsium fontinale var. obispoense)
Thistle, fountain (Cirsium fontinale var. fontinale)
Thistle, La Graciosa (Cirsium loncholepis)
Thistle, Loch Lomond coyote (Eryngium constancei)
Thistle, Pitchers (Cirsium pitcheri)
Thistle, Sacramento Mountains (Cirsium vinaceum)
Thistle, Suisun (Cirsium hydrophilum var. hydrophilum)
Thistle, Wright's marsh (Cirsium wrightii)
Thornmint, San Diego (Acanthomintha ilicifolia)
Thornmint, San Mateo (Acanthomintha obovata ssp. duttonii)
Thoroughwort, cape sable (Chromolaena frustrata)
Thrasher, san joaquin Leconte's (Toxostoma lecontei macmillanorum)
Three-ridge, fat (mussel) (Amblema neislerii)
Thrush, bicknell's (Catharus bicknelli)
Thrush, large Kauai (=kamao) (Myadestes myadestinus)
Thrush, Molokai (Myadestes lanaiensis rutha)
Thrush, small Kauai (=puaiohi) (Myadestes palmeri)
Tiger beetle, cobblestone (Cicindela marginipennis)
Tiger beetle, northeastern beach (Cicindela dorsalis dorsalis)
Tiger beetle, Ohlone (Cicindela ohlone)
Tiger beetle, Puritan (Cicindela puritana)
Tiger beetle, Salt Creek (Cicindela nevadica lincolniana)
Toad, amargosa (Bufo nelsoni)
Toad, arroyo (=arroyo southwestern) (Anaxyrus californicus)
Toad, boreal (Anaxyrus boreas boreas)
Toad, Houston (Bufo houstonensis)
Toad, Puerto Rican crested (Peltophryne lemur)
Toad, Wyoming (Anaxyrus baxteri)
Toad, Yosemite (Anaxyrus canorus)
Topminnow, barrens (Fundulus julisia)
Topminnow, Gila (incl. Yaqui) (Poeciliopsis occidentalis)
Torreya, Florida (Torreya taxifolia)
Tortoise, desert (Gopherus agassizii)
Tortoise, gopher (Gopherus polyphemus)
Tortoise, sonoran desert (Gopherus morafkai)
Towhee, Inyo California (Pipilo crissalis eremophilus)
Townsendia, Last Chance (Townsendia aprica)
Tree, franklin (Franklinia alatamaha)
Treefrog, arizona (Hyla wrightorum)
Tree snail, Newcombs (Newcombia cumingi)
Trefoil hellers bird's-foot (Lotus unifoliolatus var. helleri)
Trefoil, hellers birds-foot (Lotus unifoliolatus var. helleri)
Trillium, least, ozark (Trillium pusillum ozarkanum)
Trillium, persistent (Trillium persistens)
Trillium, relict (Trillium reliquum)
tronkon guafi (rota) (Serianthes nelsonii)
Trout, Apache (Oncorhynchus apache)
Trout, Bonneville cutthroat (Oncorhynchus clarki utah)
Trout, bull (Salvelinus confluentus)
Trout, coastal cutthroat (Oncorhynchus clarki clarki)
Trout, Colorado River cutthroat (Oncorhynchus clarki pleuriticus)
Trout, Gila (Oncorhynchus gilae)
Trout, Greenback Cutthroat (Oncorhynchus clarki stomias)
Trout, Lahontan cutthroat (Oncorhynchus clarkii henshawi)
Trout, Little Kern golden (Oncorhynchus aguabonita whitei)
Trout, Paiute cutthroat (Oncorhynchus clarkii seleneris)
Trout, Paiute cutthroat (Oncorhynchus clarkii seleniris)
Trout, Rio Grande cutthroat (Oncorhynchus clarki virginalis)
Trout, westslope cutthroat (Oncorhynchus clarki lewisi)
Tryonia, Diamond (Pseudotryonia adamantina)
Tryonia, Diamond (Pseudotryonia (=Tryonia) adamantina)
Tryonia, gonzales (Tryonia circumstriata (=stocktonensis)
Tryonia, Phantom (Tryonia cheatumi)
Tuctoria, Greenes (Tuctoria greenei)
Tui chub, Mohave (Gila bicolor ssp. mohavensis)
Tumuli, thomomys mazama (Tenino pocket gopher)
Turtle, Alabama red-belly (Pseudemys alabamensis)
Turtle, alligator snapping (Macroclemys temmincki)
Turtle, blandings (Emydoidea blandingii)
Turtle, bog (=Muhlenberg) (Clemmys muhlenbergii)
Turtle, cagles map (Graptemys caglei)
Turtle, flattened musk (Sternotherus depressus)
Turtlehead, Cuthbert's (Chelone cuthbertii)
Turtle, Plymouth red-bellied (Pseudemys rubriventris bangsi)
Turtle, ringed map (Graptemys oculifera)
Turtle, sonoyta mud (Kinosternon sonoriense longifemorale)
Turtle, southwestern pond (Actinemys marmorata pallida)
Turtle, western pond (Actinemys marmorata)
Turtle, yellow-blotched map (Graptemys flavimaculata)
Twinpod, Dudley Bluffs (Physaria obcordata)
Twistflower, bracted (Streptanthus bracteatus)
Uhiuhi (Caesalpinia kavaiense)
Uhi, uhi (Mezoneuron kavaiense)
Uvillo (Eugenia haematocarpa)
Varden, dolly (Salvelinus malma)
Vervain, Red Hills (Verbena californica)
Vervain, riverbank (Verbena riparia)
Vetch, Hawaiian (Vicia menziesii)
Vireo, black-capped (Vireo atricapilla)
Vireo, least Bells (Vireo bellii pusillus)
Vole, Amargosa (Microtus californicus scirpensis)
Vole, Florida salt marsh (Microtus pennsylvanicus dukecampbelli)
Vole, Hualapai Mexican (Microtus Mexicanus hualpaiensis)
Vole, kentucky red-backed (Clethrionomys gapperi maurus)
Vole, southern rock (Microtus chrotorrhinus carolinensis)
Wahane (Pritchardia aylmer-robinsonii)
Wallflower, Ben Lomond (Erysimum teretifolium)
Wallflower, Contra Costa (Erysimum capitatum var. angustatum)
Wallflower, Menzies (Erysimum menziesii)
Walnut (=Nogal), West Indian (Juglans jamaicensis)
Walrus, pacific (Odobenus rosmarus ssp. divergens)
Warbler, cerulean (Dendroica cerulea)
Warbler, elfin-woods (Dendroica angelae)
Warbler, golden-winged (Vermivora chrysoptera)
Warbler, Kirtland's (Setophaga kirtlandii (= Dendroica kirtlandii))
Warbler, nightingale reed (old world warbler) (Acrocephalus luscinia)
Warbler, stoddards yellow-throated (Dendroica dominica stoddardi)
Warbler (=wood), Bachmans (Vermivora bachmanii)
Warbler (=wood), golden-cheeked (Dendroica chrysoparia)
Warea, wide-leaf (Warea amplexifolia)
Wartyback, white (pearlymussel) (Plethobasus cicatricosus)
Watercress, Gambels (Rorippa gambellii)
Waterdog, black warrior (=sipsey fork) (Necturus alabamensis)
Water-plantain, Krals (Sagittaria secundifolia)
Water-umbel, Huachuca (Lilaeopsis schaffneriana var. recurva)
Waterweed, nashville (Elodea canadensis)
Water-willow, Cooleys (Justicia cooleyi)
Wawae`iole (Huperzia mannii)
Wawae`iole (Huperzia nutans)
Wedgemussel, dwarf (Alasmidonta heterodon)
Whale, bowhead (Balaena mysticetus)
Whale, finback (Balaenoptera physalus)
Whale, humpback (Megaptera novaeangliae)
Whale, killer (Orcinus orca)
Whale, North Atlantic Right (Eubalaena glacialis)
Whale, sperm (Physeter catodon (=macrocephalus))
Whipsnake (=striped racer), Alameda (Masticophis lateralis euryxanthus)
Whiptail, orange-throated (Cnemidophorus hyperythrus)
White-eye, Rota bridled (Zosterops rotensis)
Whitlow-wort, bushy (Paronychia congesta)
Whitlow-wort, papery (Paronychia chartacea)
Wild buckwheat, clay-loving (Eriogonum pelinophilum)
Wild-buckwheat, gypsum (Eriogonum gypsophilum)
Wild-buckwheat, southern mountain (Eriogonum kennedyi var. austromontanum)
Wild-rice, Texas (Zizania texana)
Willow, arizona (Salix arizonica)
Wings, pigeon (Clitoria fragrans)
Wire-lettuce, Malheur (Stephanomeria malheurensis)
Wireweed (Polygonella basiramia)
Wolf, gray (Canis lupus)
Wolf, gray (Canis lupus) (Exp)
Wolf, Mexican gray (Canis lupus baileyi)
Wolf, red (Canis rufus)
Wolverine, north American (Gulo gulo luscus)
Woodland-star, San Clemente Island (Lithophragma maximum)
Woodpecker, ivory-billed (Campephilus principalis)
Woodpecker, red-cockaded (Picoides borealis)
Woodrat, alleghany (Neotoma magister)
Woodrat, Key Largo (Neotoma Floridana smalli)
Woodrat, riparian (=San Joaquin Valley) (Neotoma fuscipes riparia)
Woodrat, San Diego desert (Neotoma lepida intermedia)
Woodrat, Southern Appalachian eastern (Neotoma floridana haematoreia)
Woolly-star, hoovers (Eriastrum hooveri)
Woolly-star, Santa Ana River (Eriastrum densifolium ssp. sanctorum)
Wooly-threads, San Joaquin (Monolopia (=Lembertia) congdonii)
Wormwood, northern (Artemisia campestris var. wormskioldii)
Wort, Radford's St. John's (Hypericum sp. 1)
Woundfin (Plagopterus argentissimus)
Wren, appalachian Bewick's (Thryomanes bewickii altus)
Wren, San Diego cactus (Campylorhynchus brunneicapillus couesi)
Yellowhead, desert (Yermo xanthocephalus)
Yelmensis, thomomys mazama (Yelm pocket gopher)
Yerba santa, Lompoc (Eriodictyon capitatum)
Yew, Florida (Taxus Floridana)
Ziziphus, Florida (Ziziphus celata)