Species Profiles:

Endangered Species Search by Area Selection

Find out if there are any endangered species in your state, your country, island, etc. Browse endangered species listings according to area on our planet using the selection box below.

For a complete list of US endangered species, select United States below. Browse the different areas in the pulldown for other countries or specific US or Canadian states. For sea creatures and creatures found on islands in the oceans, we recommend browsing the oceania list.

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United States (and all US Territories) Afghanistan Alabama Alaska Albania Algeria Amazon Basin Amsterdam Island Andorra Angola Anguilla Antigua Arabian Peninsula Argentina Arizona Arkansas Armenia Aruba Island Assam Austria Azerbaijan Bahamas Bahrain Baja California Baltic Sea Bangladesh Barbados Barbuda Belarus Belgium Belize Benin Bering Sea Bermuda Bhutan Black Sea Bolivia Borneo Bosnia and Herzegovina Botswana Brazil British Columbia British Virgin Islands Brunei Darussalam Bulgaria Burkina Faso Burma Burundi California Cambodia Cameroon Canada Canary Islands Cape Verde Caribbean Caspian Sea Cayman Islands Central African Republic Chad Chile China Christmas Island Coahuila Colombia Colorado Commonwealth of Independent States (CIS) Comoro Islands Congo (Democratic Republic of) Congo (Republic of) Congo River Connecticut Cook Islands Corsica Costa Rica Cote d'Ivoire Croatia Cuba Culebra Island Cyprus Czech Republic Delaware Denmark District of Columbia Djibouti Dominica - West Indies Dominican Republic Ecuador Egypt El Salvador Equatorial Guinea Eritrea Estonia Ethiopia Falkland Islands Faroe Islands Federated States of Micronesia Fernando Po Fiji Finland Finland Florida France French Guiana French Polynesia Gabon Galapagos Islands Gambia Georgia (Eurasia) Georgia (USA) Germany Ghana Gibraltar Greater and Lesser Antilles Greece Greenland Grenada - West Indies Guadalupe (Mexico) Guadeloupe (Caribbean) Guam Guatemala Guernsey Guinea Guinea-Bissau Gulf of Maine Gulf of Mexico Guyana Haiti Hispaniola Honduras Hong Kong Hungary Iceland Idaho Illinois India Indiana Indochina Indonesia Iowa Iran Iraq Ireland Isle of Man Israel Italy Jamaica Jan Mayen Japan Jersey Jordan Kansas Kashmir Kazakhstan Kentucky Kenya Kiribati Korea Kuwait Kyrgyzstan Laos Latvia Lebanon Lesotho Liberia Libya Liechtenstein Lithuania Lord Howe Island Louisiana Luxembourg Macao Macedonia (Republic of) Madagascar Madeira Island Maine Malawi Malay Peninsula Malaysia Maldives Mali Malta Manitoba Mariana Island Marshall Islands Martinique - West Indies Maryland Massachusetts Mauritania Mauritius Mayotte Mediterranean Sea Mexico Michigan Minnesota Mississippi Missouri Moldova (Republic of) Monaco Mongolia Montana Montserrat Morocco Mozambique Myanmar Namibia Nauru Nebraska Nepal Netherlands (Europe) Netherlands Antilles Nevada New Brunswick New Caledonia New Hampshire New Jersey New Mexico New York New Zealand Nicaragua Niger Nigeria Niue Norfolk Island North Carolina North Dakota Norway Nuevo Leon Ohio Oklahoma Oman Ontario Oregon Pakistan Palau Palestine Panama Papua New Guinea Paraguay Pennsylvania Peru Philippines Pitcairn Poland Portugal Puerto Rico Qatar Raso Island Reunion Rhode Island Rodrigues Island Romania Russia Rwanda Saba Saint Barthelemy Saint Kitts and Nevis Saint Pierre and Miquelon Samoa Sardinia Saudi Arabia Senegal Serbia and Montenegro Seychelles Sierra Leone Sikkim Sinai Singapore Slovakia Slovenia Solomon Islands Somalia Sonora South Africa South Carolina South Dakota Spain Spanish Sahara Sri Lanka St. Helena St. Lucia St. Martin St. Vincent Sudan Sumatra Suriname Svalbard Swaziland Sweden Switzerland Syria Tahiti Taiwan Tajikistan Tanzania Tasmania Tennessee Texas Thailand Tibet Timor-Leste Tobago Togo Tonga Trinidad Tunisia Turkey Turkmenistan Turks and Caicos Islands Tuvalu Uganda Ukraine United Arab Emirates United Kingdom Uruguay Utah Uzbekistan Vanuatu Venezuela Vermont Vietnam Virgin Islands Virginia Wallis and Futuna Washington West Indies West Virginia Western Sahara Wisconsin Wyoming Yemen Zambia Zanzibar Zimbabwe

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All species   Amphibians  Arachnids  Birds  Clams  Corals, Jellyfish, and Sea Anemones  Crustaceans  Fishes  Insects  Mammals  Plants  Reptiles  Snails  Worms  

The following is a list of all endangered species in US Territories:

	Species Name	Scientific Name	Group	Range
1.	'Ahakea	Bobea timonioides	Plants	Hawaii
2.	'Ekoko	Chamaesyce celastroides var. kaenana	Plants	Hawaii
3.	A Jack-bean	Canavalia napaliensis	Plants	Hawaii
4.	Abutilon eremitopetalum	Abutilon eremitopetalum	Plants	Hawaii
5.	Abutilon sandwicense	Abutilon sandwicense	Plants	Hawaii
6.	Acanthomyops latipes	Acanthomyops latipes	Insects	Michigan, Virgin Islands
7.	Acanthomyops murphyi	Acanthomyops murphyi	Insects	Maryland
8.	Acropora Coral	Acropora abrolhosensis	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
9.	Acropora Coral	Acropora aculeus	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, North America (United States Territory), Oceanic
10.	Acropora Coral	Acropora acuminata	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
11.	Acropora Coral	Acropora aspera	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
12.	Acropora Coral	Acropora austera	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
13.	Acropora Coral	Acropora awi	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
14.	Acropora Coral	Acropora carduus	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, Oceanic
15.	Acropora Coral	Acropora cervicornis	Corals, Jellyfish, and Sea Anemones	Central America, Gulf of Mexico, North America (United States Territory)
16.	Acropora Coral	Acropora dendrum	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, North America (United States Territory), Oceanic
17.	Acropora Coral	Acropora digitifera	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
18.	Acropora Coral	Acropora divaricata	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
19.	Acropora Coral	Acropora donei	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, Oceanic
20.	Acropora Coral	Acropora echinata	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, North America (United States Territory), Oceanic
21.	Acropora Coral	Acropora florida	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, North America (United States Territory), Oceanic
22.	Acropora Coral	Acropora formosa	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
23.	Acropora Coral	Acropora glauca	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Middle East, Oceanic
24.	Acropora Coral	Acropora globiceps	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, North America (United States Territory), Oceanic
25.	Acropora Coral	Acropora granulosa	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Australia, Europe, Middle East, North America (United States Territory), Oceanic
26.	Acropora Coral	Acropora horrida	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
27.	Acropora Coral	Acropora humilis	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
28.	Acropora Coral	Acropora hyacinthus	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic, South America
29.	Acropora Coral	Acropora jacquelineae	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Asia, Australia, Oceanic
30.	Acropora Coral	Acropora kimbeensis	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory)
31.	Acropora Coral	Acropora kirstyae	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
32.	Acropora Coral	Acropora listeri	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Middle East, North America (United States Territory), Oceanic, South America
33.	Acropora Coral	Acropora loisetteae	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory)
34.	Acropora Coral	Acropora lokani	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, Oceanic
35.	Acropora Coral	Acropora loripes	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
36.	Acropora Coral	Acropora lovelli	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
37.	Acropora Coral	Acropora lutkeni	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, Europe, North America (United States Territory), Oceanic, South America
38.	Acropora Coral	Acropora microclados	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
39.	Acropora Coral	Acropora millepora	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
40.	Acropora Coral	Acropora monticulosa	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, British Indian Ocean Territory, Europe, North America (United States Territory), Oceanic
41.	Acropora Coral	Acropora nana	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Central America, Europe, North America (United States Territory), Oceanic
42.	Acropora Coral	Acropora nasuta	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic, South America
43.	Acropora Coral	Acropora palmata	Corals, Jellyfish, and Sea Anemones	Central America, Gulf of Mexico, North America (United States Territory)
44.	Acropora Coral	Acropora palmerae	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, Europe, North America (United States Territory), Oceanic
45.	Acropora Coral	Acropora paniculata	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
46.	Acropora Coral	Acropora pharaonis	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Central America, Europe, Middle East, Oceanic
47.	Acropora Coral	Acropora polystoma	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Australia, Europe, Middle East, North America (United States Territory), Oceanic
48.	Acropora Coral	Acropora retusa	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Australia, Europe, Middle East, North America (United States Territory), Oceanic
49.	Acropora Coral	Acropora rudis	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Oceanic
50.	Acropora Coral	Acropora secale	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
51.	Acropora Coral	Acropora selago	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
52.	Acropora Coral	Acropora solitaryensis	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, North America (United States Territory), Oceanic
53.	Acropora Coral	Acropora speciosa	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, North America (United States Territory), Oceanic
54.	Acropora Coral	Acropora spicifera	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
55.	Acropora Coral	Acropora striata	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
56.	Acropora Coral	Acropora tenuis	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
57.	Acropora Coral	Acropora vaughani	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
58.	Acropora Coral	Acropora verweyi	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, North America (United States Territory), Oceanic
59.	Adiantum vivesii	Adiantum vivesii	Plants	Puerto Rico
60.	Aglaodiaptomus kingsburyae	Aglaodiaptomus kingsburyae	Crustaceans	United States
61.	Aglaodiaptomus marshianus	Aglaodiaptomus marshianus	Crustaceans	United States
62.	Ahinahina	Argyroxiphium sandwicense ssp. sandwicense	Plants	Hawaii
63.	Aiea	Nothocestrum breviflorum	Plants	Hawaii
64.	Aiea	Nothocestrum latifolium	Plants	Hawaii
65.	Aiea	Nothocestrum peltatum	Plants	Hawaii
66.	Akekee	Loxops caeruleirostris	Birds	Hawaii
67.	Akepa	Loxops coccineus	Birds	Hawaii
68.	Akiapola'au	Hemignathus munroi	Birds	Hawaii
69.	Akikiki	Oreomystis bairdi	Birds	Hawaii
70.	Alabama Canebrake Pitcher-plant	Sarracenia rubra alabamensis	Plants	Alabama
71.	Alabama Cave Shrimp	Palaemonias alabamae	Crustaceans	Alabama
72.	Alabama Cavefish	Speoplatyrhinus poulsoni	Fishes	Alabama
73.	Alabama Heelsplitter	Potamilus inflatus	Clams	Alabama, Louisiana
74.	Alabama Lampmussel	Lampsilis virescens	Clams	Tennessee
75.	Alabama Leather Flower	Clematis socialis	Plants	Alabama
76.	Alabama Moccasinshell	Medionidus acutissimus	Clams	Alabama, Georgia, Mississippi
77.	Alabama Pearl Shell	Margaritifera marrianae	Clams	Alabama
78.	Alabama Red-belly Turtle	Pseudemys alabamensis	Reptiles	Alabama
79.	Alabama Shad	Alosa alabamae	Fishes	United States
80.	Alabama Sturgeon	Scaphirhynchus suttkusi	Fishes	Alabama, Mississippi
81.	Alabama Waterdog	Necturus alabamensis	Amphibians	Alabama
82.	Alamosa Springsnail	Tryonia alamosae	Snails	New Mexico
83.	Aleutian Shield Fern	Polystichum aleuticum	Plants	Alaska
84.	Alligator Snapping Turtle	Macrochelys temminckii	Reptiles	United States
85.	Alpine False Ohelo	Wikstroemia bicornuta	Plants	Hawaii
86.	Alsinidendron obovatum	Alsinidendron obovatum	Plants	Hawaii
87.	Alsinidendron trinerve	Alsinidendron trinerve	Plants	Hawaii
88.	Alsinidendron viscosum	Alsinidendron viscosum	Plants	Hawaii
89.	Altamaha Arcmussel	Alasmidonta arcula	Clams	Georgia
90.	Altamaha Spinymussel	Elliptio spinosa	Clams	Georgia
91.	Alveopora allingi	Alveopora allingi	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
92.	Alveopora catalai	Alveopora catalai	Corals, Jellyfish, and Sea Anemones	Asia, Australia, Europe, North America (United States Territory), Oceanic
93.	Alveopora fenestrata	Alveopora fenestrata	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
94.	Alveopora marionensis	Alveopora marionensis	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
95.	Alveopora spongiosa	Alveopora spongiosa	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
96.	Alveopora verrilliana	Alveopora verrilliana	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
97.	Amargosa Niterwort	Nitrophila mohavensis	Plants	California, Nevada
98.	Amargosa Toad	Anaxyrus nelsoni	Amphibians	Nevada
99.	Amargosa Vole	Microtus californicus scirpensis	Mammals	California
100.	Amastrid Land Snail	Amastra cylindrica	Snails	Hawaii
101.	Amastrid Land Snail	Amastra micans	Snails	Hawaii
102.	Amastrid Land Snail	Amastra rubens	Snails	Hawaii
103.	Amastrid Land Snail	Amastra spirizona	Snails	Hawaii
104.	Amastrid Land Snail (Amastridae)	Armsia petasus	Snails	Hawaii
105.	Amber Darter	Percina antesella	Fishes	Alabama, Georgia, Tennessee
106.	American Burying Beetle	Nicrophorus americanus	Insects	Eastern Canada, USA Eastern States south to Florida, west to South Dakota and Texas
107.	American Chaffseed	Schwalbea americana	Plants	Alabama, Connecticut, Delaware, Florida, Georgia, Louisiana, Maryland, Massachusetts, Michigan, Mississippi, New Jersey, New York, North Carolina, South Carolina, Tennessee, Virginia
108.	American Mahogany	Swietenia mahagoni	Plants	Central and South America, Florida
109.	Anaunau	Lepidium arbuscula	Plants	Hawaii
110.	Angular Pebblesnail	Somatogyrus biangulatus	Snails	Alabama
111.	Angular-Fruited Neraudia	Neraudia angulata	Plants	Hawaii
112.	Anthony's Riversnail	Athearnia anthonyi	Snails	Georgia, Tennessee
113.	Antioch Dunes Evening-primrose	Oenothera deltoides ssp. howellii	Plants	California
114.	Antrobia breweri	Antrobia breweri	Snails	Alabama
115.	Antrobia culveri	Antrobia culveri	Snails	Montana
116.	Anunu	Sicyos alba	Plants	Hawaii
117.	Apache Trout	Oncorhynchus apache	Fishes	Arizona
118.	Apalachicola Rosemary	Conradina glabra	Plants	Florida
119.	Aphaenogaster bidentatus	Aphaenogaster bidentatus	Insects	United States
120.	Appalachian Elktoe	Alasmidonta raveneliana	Clams	North Carolina, Tennessee
121.	Appalachian Monkeyface Pearlymussel	Quadrula sparsa	Clams	Tennessee, Virginia
122.	Applegate's Milk-vetch	Astragalus applegatei	Plants	Oregon
123.	Arana	Schoepfia arenaria	Plants	Puerto Rico
124.	Arizona Cliff-rose	Purshia subintegra	Plants	Arizona
125.	Arizona Hedgehog Cactus	Echinocereus triglochidiatus var. arizonicus	Plants	Arizona
126.	Arizona Striped Whiptail	Aspidoscelis arizonae	Reptiles	Arizona
127.	Arkansas Fatmucket	Lampsilis powellii	Clams	Arkansas
128.	Armigerous River Snail	Lithasia armigera	Snails	United States
129.	Armored Snail	Pyrgulopsis marstonia pachyta	Snails	Alabama
130.	Arroyo Southwestern Toad	Bufo californicus microscaphus	Amphibians	California, Mexico
131.	Ashy Dogweed	Thymophylla tephroleuca	Plants	Texas
132.	Ashy Storm-petrel	Oceanodroma homochroa	Birds	California, Ecuador, Mexico
133.	Astreopora cucullata	Astreopora cucullata	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
134.	Astreopora expansa	Astreopora expansa	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
135.	Astreopora macrostoma	Astreopora macrostoma	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
136.	Atlantic Cod	Gadus morhua	Fishes	Asia, Europe, Middle East, North America (including United States), Oceanic
137.	Atlantic Halibut	Hippoglossus hippoglossus	Fishes	Canada (Newfoundland), Europe, United States (Alaska)
138.	Atlantic Pigtoe	Fusconaia masoni	Clams	United States
139.	Atlantic Salmon	Salmo salar	Fishes	Gulf of Maine Atlantic Salmon DPS
140.	Atlas Pebblesnail	Somatogyrus humerosus	Snails	Alabama
141.	Attwater's Greater Prairie-chicken	Tympanuchus cupido attwateri	Birds	Texas
142.	Aupaka	Isodendrion hosakae	Plants	Hawaii
143.	Aupaka	Isodendrion laurifolium	Plants	Hawaii
144.	Australomussa rowleyensis	Australomussa rowleyensis	Corals, Jellyfish, and Sea Anemones	Australia, Cambodia, China, Federated States of Micronesia, India, Indonesia, Japan, Malaysia, Myanmar, Palau, Papua New Guinea, Philippines, Singapore, Solomon Islands, Sri Lanka, Taiwan, Thailand, Vietnam
145.	Autumn Buttercup	Ranunculus acriformis var. aestivalis	Plants	Utah
146.	Avon Park Harebells	Crotalaria avonensis	Plants	Florida
147.	Awalua Ridge Tetramolopium	Tetramolopium remyi	Plants	Hawaii
148.	Awiwi (Gentianaceae)	Centaurium sebaeoides	Plants	Hawaii
149.	Awiwi (Rubiaceae)	Hedyotis cookiana	Plants	Hawaii
150.	Bachman's Sparrow	Aimophila aestivalis	Birds	United States
151.	Bachman's Wood Warbler	Vermivora bachmanii	Birds	Canada, Southeastern USA
152.	Baker's Larkspur	Delphinium bakeri	Plants	California
153.	Balcones Cave Shrimp	Palaemonetes antrorum	Crustaceans	Texas
154.	Banara vanderbiltii	Banara vanderbiltii	Plants	Puerto Rico
155.	Banbury Springs Limpet	Lanx spp.	Snails	Idaho
156.	Banner-tailed Kangaroo Rat	Dipodomys spectabilis	Mammals	Arizona, Mexico, New Mexico, Texas
157.	Barndoor Winter Skate	Dipturus laevis	Fishes	Canada, United States
158.	Barneby Reed-mustard	Schoenocrambe barnebyi	Plants	Utah
159.	Barneby Ridge-cress	Lepidium barnebyanum	Plants	Utah
160.	Barton Springs Salamander	Eurycea sosorum	Amphibians	Texas
161.	Bastrop Crayfish	Procambarus texanus	Crustaceans	Texas
162.	Beach Jacquemontia	Jacquemontia reclinata	Plants	Florida
163.	Beach Layia	Layia carnosa	Plants	California
164.	Beach Mouse	Peromyscus polionotus	Mammals	Alabama, Florida
165.	Beautiful Goetzea	Goetzea elegans	Plants	Puerto Rico
166.	Beautiful Pawpaw	Deeringothamnus pulchellus	Plants	Florida
167.	Bedstraw	Galium buxifolium	Plants	California
168.	Bedstraw	Galium californicum ssp. sierrae	Plants	California
169.	Bee Creek Cave Harvestman	Texella reddelli	Arachnids	Texas
170.	Beluga	Delphinapterus leucas	Mammals	Asia, Europe, North America (including United States), Oceanic
171.	Ben Lomond Spineflower	Chorizanthe pungens var. hartwegiana	Plants	California
172.	Ben Lomond Wallflower	Erysimum teretifolium	Plants	California
173.	Benton County Cave Crayfish	Cambarus aculabrum	Crustaceans	Arkansas
174.	Berry Cave Salamander	Gyrinophilus gulolineatus	Amphibians	Tennessee
175.	Big Bend Gambusia	Gambusia gaigei	Fishes	Texas
176.	Big Blue Spring Cave Crayfish	Procambarus horsti	Crustaceans	Florida
177.	Big Island Ma'oloa	Neraudia ovata	Plants	Hawaii
178.	Big-cheeked Cave Crayfish	Procambarus delicatus	Crustaceans	Florida
179.	Bighorn Sheep	Ovis canadensis	Mammals	California
180.	Birdwing Pearlymussel	Conradilla caelata	Clams	Tennessee, Virginia
181.	Black Abalone	Haliotis cracherodii	Snails	California, Mexico (Baja California)
182.	Black Clubshell	Pleurobema curtum	Clams	Alabama, Mississippi
183.	Black Grouper	Epinephelus nigritus	Fishes	Central and South America, Mexico, United States
184.	Black Lace Cactus	Echinocereus reichenbachii var. alvertii	Plants	Texas
185.	Black Mudalia	Leptoxis melanoidus	Snails	Alabama
186.	Black Salamander	Aneides flavipunctatus	Amphibians	California, Oregon
187.	Black Sea Bass	Stereolepis gigas	Fishes	California, Mexico
188.	Black Toad	Anaxyrus exsul	Amphibians	California
189.	Black-capped Petrel	Pterodroma hasitata	Birds	Cuba, Dominican Republic, Haiti, United States, West Indies (Dominica)
190.	Black-capped Vireo	Vireo atricapilla	Birds	Kansas, Louisiana, Mexico, Nebraska, Oklahoma, Texas
191.	Black-footed Albatross	Phoebastria nigripes	Birds	Asia, Canada, New Zealand, United States and Minor Outlying Islands (including Hawaii)
192.	Black-footed Ferret	Mustela nigripes	Mammals	Western Canada, Western USA
193.	Black-spotted Newt	Notophthalmus meridionalis	Amphibians	Mexico, Texas
194.	Black-tailed Godwit	Limosa limosa	Birds	Africa, Asia, Australia, Central America, Europe, Middle East, North America (including United States Territory), Oceanic
195.	Blackbuck	Antilope cervicapra	Mammals	Argentina, India, United States
196.	Blackburn's Sphinx Moth	Manduca blackburni	Insects	Hawaii
197.	Blastomussa wellsi	Blastomussa wellsi	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Middle East, North America (United States Territory)
198.	Bloater	Coregonus hoyi	Fishes	Canada, United States
199.	Blowout Penstemon	Penstemon haydenii	Plants	Nebraska
200.	Blue Spring Aphaostracon	Aphaostracon asthenes	Snails	Florida
201.	Bluemask Darter	Etheostoma doration	Fishes	Tennessee
202.	Bluestripe Darter	Percina cymatotaenia	Fishes	Missouri
203.	Blunt Chaff Flower	Achyranthes mutica	Plants	Hawaii
204.	Blunt-nosed Leopard Lizard	Gambelia silus	Reptiles	California
205.	Bocaccio Rockfish	Sebastes paucispinus	Fishes	Canada, Mexico, United States
206.	Bog Turtle	Glyptemys muhlenbergii	Reptiles	Eastern United States
207.	Boisduval's Blue Butterfly	Icaricia icarioides	Insects	California, Oregon
208.	Bone Cave Harvestman	Texella reyesi	Arachnids	Texas
209.	Bonytail Chub	Gila elegans	Fishes	Arizona, California, Colorado, Nevada, Utah, Wyoming
210.	Borax Lake Chub	Gila boraxobius	Fishes	Oregon
211.	Boreal Toad	Anaxyrus boreas	Amphibians	Canada, Mexico, United States (California)
212.	Boulder Darter	Etheostoma wapiti	Fishes	Alabama, Tennessee
213.	Boulder Star Coral	Montastraea annularis	Corals, Jellyfish, and Sea Anemones	Central and South America, Mexico, United States
214.	Boyd's Maidenfern	Christella boydiae	Plants	Hawaii
215.	Bradshaw's Desert-parsley	Lomatium bradshawii	Plants	Oregon, Washington
216.	Brady Pincushion Cactus	Pediocactus bradyi	Plants	Arizona
217.	Braken Bat Cave Meshweaver	Cicurina venii	Arachnids	Texas
218.	Branchinella alachua	Branchinella alachua	Crustaceans	United States
219.	Branchinella lithaca	Branchinella lithaca	Crustaceans	United States
220.	Braun's Rock-cress	Arabis perstellata	Plants	Kentucky, Tennessee
221.	Braunton's Milk-vetch	Astragalus brauntonii	Plants	California
222.	Brawleys Fork Crayfish	Cambarus williami	Crustaceans	Tennessee
223.	Bridled White-eye	Zosterops conspicillatus conspicillatus	Birds	West Pacific Ocean (USA - Guam)
224.	Britton's Beargrass	Nolina brittoniana	Plants	Florida
225.	Brooksville Bellflower	Campanula robinsiae	Plants	Florida
226.	Brown Pelican	Pelecanus occidentalis	Birds	Coastal Central and South America, USA (Carolinas to Texas, California, Oregon, Washington), West Indies
227.	Brown's Pigweed	Amaranthus brownii	Plants	Hawaii
228.	Bruneau Hot Springsnail	Pyrgulopsis bruneauensis	Snails	Idaho
229.	Buena Vista Lake Ornate Shrew	Sorex ornatus relictus	Mammals	California
230.	Bunched Arrowhead	Sagittaria fasciculata	Plants	North Carolina, South Carolina
231.	Burke's Goldfields	Lasthenia burkei	Plants	California
232.	Buxus vahlii	Buxus vahlii	Plants	Puerto Rico
233.	Cabbage On a Stick	Brighamia insignis	Plants	Hawaii
234.	Cahaba Shiner	Notropis cahabae	Fishes	Alabama
235.	Calico Grouper	Epinephelus drummondhayi	Fishes	Bermuda - North Atlantic Ocean, Mexico, United States
236.	California Bay Pea Crab	Parapinnixa affinis	Crustaceans	California
237.	California Condor	Gymnogyps californianus	Birds	Arizona, California, Oregon
238.	California Freshwater Shrimp	Syncaris pacifica	Crustaceans	California
239.	California Giant Salamander	Dicamptodon ensatus	Amphibians	California
240.	California Jewelflower	Caulanthus californicus	Plants	California
241.	California Orcutt Grass	Orcuttia californica	Plants	California
242.	California Red Tree Mouse	Arborimus pomo	Mammals	California
243.	California Seablite	Suaeda californica	Plants	California
244.	California Taraxacum	Taraxacum californicum	Plants	California
245.	California Tiger Salamander	Ambystoma californiense	Amphibians	California
246.	Calistoga Allocarya	Plagiobothrys strictus	Plants	California
247.	Callippe Silverspot Butterfly	Speyeria callippe callippe	Insects	California
248.	Cambarus cymatilis	Cambarus cymatilis	Crustaceans	Georgia, Tennessee
249.	Cambarus elkensis	Cambarus elkensis	Crustaceans	West Virginia
250.	Cambarus strigosus	Cambarus strigosus	Crustaceans	Georgia
251.	Cambarus subterraneus	Cambarus subterraneus	Crustaceans	Oklahoma
252.	Cana Gorda Girdlepod	Mitracarpus polycladus	Plants	Puerto Rico, Saba
253.	Canby's Dropwort	Oxypolis canbyi	Plants	Delaware, Georgia, Maryland, North Carolina, South Carolina
254.	Canelo Hills Ladies'-tresses	Spiranthes delitescens	Plants	Arizona
255.	Capa rosa	Callicarpa ampla	Plants	Puerto Rico
256.	Cape Fear Shiner	Notropis mekistocholas	Fishes	North Carolina
257.	Cape Sable Seaside Sparrow	Ammodramus maritimus mirabilis	Birds	Florida
258.	Carex albida	Carex albida	Plants	California
259.	Carex lutea	Carex lutea	Plants	North Carolina
260.	Caribbean Electric Ray	Narcine bancroftii	Fishes	Brazil, Florida, French Guiana, Guyana, Mississippi, New Mexico, North Carolina, Suriname, Venezuela
261.	Carolina Heelsplitter	Lasmigona decorata	Clams	North Carolina, South Carolina
262.	Carson Wandering Skipper	Pseudocopaeodes eunus obscurus	Insects	California, Nevada
263.	Carter's Mustard	Warea carteri	Plants	Florida
264.	Cassin's Finch	Carpodacus cassinii	Birds	Canada, Mexico, United States
265.	Catalina Island Mountain-Mahogany	Cercocarpus traskiae	Plants	California
266.	Catalina Mountain Snail	Radiocentrum avalonense	Snails	California
267.	Catspaw Pearlymussel	Epioblasma obliquata	Clams	Illinois, Indiana, Kentucky, Michigan, Ohio, Tennessee
268.	Caulastrea curvata	Caulastrea curvata	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
269.	Caulastrea echinulata	Caulastrea echinulata	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, Oceanic
270.	Cayey Robber Frog	Eleutherodactylus jasperi	Amphibians	Puerto Rico
271.	Central Missouri Cave Amphipod	Allocrangonyx hubrichti	Crustaceans	Arkansas, Missouri
272.	Charalito Chihuahua	Gila nigrescens	Fishes	Mexico, New Mexico
273.	Chase's Threeawn	Aristida chaseae	Plants	Puerto Rico
274.	Chatham Albatross	Thalassarche eremita	Birds	American Samoa, Australia, Chile, Cook Islands, French Polynesia, New Zealand, Niue, Peru, Wallis and Futuna
275.	Cheesewood	Pittosporum napaliense	Plants	Hawaii
276.	Cherokee Clubtail	Gomphus consanguis	Insects	United States
277.	Chestnut-collared Longspur	Calcarius ornatus	Birds	North America (including United States)
278.	Chinook Salmon	Oncorhynchus tshawytscha	Fishes	California (Sacramento River) in the winters
279.	Chipola Slabshell	Elliptio chipolaensis	Clams	Alabama, Florida
280.	Chiricahua Leopard Frog	Lithobates chiricahuensis	Amphibians	Arizona, Mexico, New Mexico
281.	Chupacallos	Pleodendron macranthum	Plants	Puerto Rico
282.	Chuuk Monarch	Metabolus rugensis	Birds	Federated States of Micronesia
283.	Ciervo Scarab Beetle	Aegialia concinna	Insects	California
284.	Clapper Rail	Rallus longirostris	Birds	Arizona, California
285.	Clara Hunt's Milk-vetch	Astragalus clarianus	Plants	California
286.	Clay Phacelia	Phacelia argillacea	Plants	Utah
287.	Clay-loving Wild-buckwheat	Eriogonum pelinophilum	Plants	Colorado
288.	Clear Creek Gambusia	Gambusia heterochir	Fishes	Texas
289.	Clench's Middle-toothed Land Snail	Mesodon clenchi	Snails	Arkansas
290.	Clifton Cave Isopod	Caecidotea barri	Crustaceans	Kentucky
291.	Clouded Salamander	Aneides ferreus	Amphibians	California, Oregon
292.	Clover Lupine	Lupinus tidestromii	Plants	California
293.	Clubmoss	Huperzia mannii	Plants	Hawaii
294.	Clubshell	Pleurobema clava	Clams	Illinois, Indiana, Kentucky, Michigan, Ohio, Pennsylvania, Tennessee, West Virginia
295.	Coachelia Giant Sand Treader Cricket	Macrobaenetes valgum	Insects	California
296.	Coachella Valley Fringe-toed Lizard	Uma inornata	Reptiles	California
297.	Coachella Valley Milk-vetch	Astragalus lentiginosus var. coachellae	Plants	California
298.	Coahuila Isopod	Mexistenasellus coahuila	Crustaceans	Mexico, Texas
299.	Coastal Dunes Milk-vetch	Astragalus tener var. titi	Plants	California
300.	Cobana Negra	Stahlia monosperma	Plants	Dominican Republic, Puerto Rico, Virgin Islands
301.	Coccoloba rugosa	Coccoloba rugosa	Plants	Puerto Rico
302.	Coffin Cave Mold Beetle	Batrisodes texanus	Insects	Texas
303.	Coho Salmon	Oncorhynchus kisutch	Fishes	California
304.	Cokendolpher Cave Harvestman	Texella cokendolpheri	Arachnids	Texas
305.	Colorado Checkered Whiptail	Aspidoscelis neotesselata	Reptiles	Colorado
306.	Colorado Pikeminnow	Ptychocheilus lucius	Fishes	Arizona, California, Colorado, Mexico, Nevada, New Mexico, Utah, Wyoming
307.	Columbia Clubtail	Gomphus lynnae	Insects	Oregon, Washington
308.	Comal Springs Dryopid Beetle	Stygoparnus comalensis	Insects	Texas
309.	Comal Springs Riffle Beetle	Heterelmis comalensis	Insects	Texas
310.	Comanche Springs Pupfish	Cyprinodon elegans	Fishes	Texas
311.	Common Moorhen	Gallinula chloropus	Birds	Hawaii, West Pacific Ocean (USA - Guam, Tinian, Saipan, Pagan)
312.	Common Sawfish	Pristis pristis	Fishes	Africa, Asia, Australia, Central and South America, Europe, Mexico, United States
313.	Commoner Lignum Vitae	Guaiacum officinale	Plants	Central and South America, Puerto Rico, Thailand, Virgin Islands (British and US)
314.	Conasauga Logperch	Percina jenkinsi	Fishes	Georgia, Tennessee
315.	Conservancy Fairy Shrimp	Branchinecta conservatio	Crustaceans	California
316.	Contra Costa Goldfields	Lasthenia conjugens	Plants	California
317.	Contra Costa Wallflower	Erysimum capitatum var. angustatum	Plants	California
318.	Cook's Lomatium	Lomatium cookii	Plants	Oregon
319.	Cook's Petrel	Pterodroma cookii	Birds	American Samoa, Australia (Norfolk Island), Chile, Cook Islands, French Polynesia, Mexico, New Zealand, Niue, Pitcairn, United States and Minor Outlying Islands, Wallis and Futuna
320.	Cooke's Koki'o	Kokia cookei	Plants	Hawaii
321.	Cookeconcha contorta	Cookeconcha contorta	Snails	Hawaii
322.	Cooley's Meadowrue	Thalictrum cooleyi	Plants	Florida, North Carolina
323.	Coosa Moccasinshell	Medionidus parvulus	Clams	Alabama, Georgia, Tennessee
324.	Coosa Pebblesnail	Somatogyrus coosaensis	Snails	Alabama
325.	Cordia bellonis	Cordia bellonis	Plants	Puerto Rico
326.	Cordia wagnerorum	Cordia wagnerorum	Plants	Puerto Rico
327.	Coryphantha minima	Coryphantha minima	Plants	Texas
328.	Coryphantha scheeri var. robustispina	Coryphantha scheeri var. robustispina	Plants	Arizona, Mexico (Sonora)
329.	Coryphantha sneedii var. sneedii	Coryphantha sneedii var. sneedii	Plants	New Mexico, Texas
330.	Cosmosflower Beggarticks	Bidens cosmoides	Plants	Hawaii
331.	Cougar	Puma concolor	Mammals	North and Central America
332.	Coyote Ceanothus	Caenothus ferrisae	Plants	California
333.	Cracking Pearlymussel	Hemistena lata	Clams	Alabama, Illinois, Indiana, Kentucky, Tennessee, Virginia
334.	Crawfish Frog	Lithobates areolatus	Amphibians	United States
335.	Crematogaster pilosa	Crematogaster pilosa	Insects	United States
336.	Crenulate Lead-plant	Amorpha crenulata	Plants	Florida
337.	Cresent Dune Scarab Beetle	Aegialia crescenta	Insects	Nevada
338.	Crested Honeycreeper	Palmeria dolei	Birds	Hawaii
339.	Cricket Robber Frog	Eleutherodactylus gryllus	Amphibians	Puerto Rico
340.	Crimson Hawaiian Damselfly	Megalagrion leptodemas	Insects	Hawaii
341.	Crust Coral	Leptastrea bewickensis	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, North America (United States Territory), Oceanic
342.	Crust Coral	Leptastrea bottae	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
343.	Crust Coral	Leptastrea inaequalis	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
344.	Cui-ui	Chasmistes cujus	Fishes	Nevada
345.	Culebra Island Giant Anole	Anolis roosevelti	Reptiles	USA (Puerto Rico - Culebra Island)
346.	Cumberland Bean Pearlymussel	Villosa trabalis	Clams	Kentucky, Tennessee, Virginia
347.	Cumberland Combshell	Epioblasma brevidens	Clams	Kentucky, Mississippi, Tennessee, Virginia
348.	Cumberland Dusky Salamander	Desmognathus abditus	Amphibians	Tennessee
349.	Cumberland Elktoe	Alasmidonta atropurpurea	Clams	Kentucky, Tennessee
350.	Cumberland Monkeyface Pearlymussel	Quadrula intermedia	Clams	Tennessee, Virginia
351.	Cumberland Pigtoe	Pleurobema gibberum	Clams	Tennessee
352.	Cushenbury Milk-vetch	Astragalus albens	Plants	California
353.	Cushenbury Oxytheca	Oxytheca parishii var. goodmaniana	Plants	California
354.	Cushion Buckwheat	Eriogonum ovalifolium	Plants	California, Nevada
355.	Cyathea dryopteroides	Cyathea dryopteroides	Plants	Puerto Rico
356.	Cycas micronesica	Cycas micronesica	Plants	Federated States of Micronesia, Guam, Northern Mariana Islands, Palau
357.	Cylindrical Lioplax Snail	Lioplax cyclostomaformis	Snails	Alabama, Georgia
358.	Cyperus trachysanthos	Cyperus trachysanthos	Plants	Hawaii
359.	Cypress Crayfish	Cambarellus blacki	Crustaceans	Florida
360.	Daphnopsis hellerana	Daphnopsis hellerana	Plants	Puerto Rico
361.	Dark Pigtoe	Pleurobema furvum	Clams	Alabama
362.	Davis' Green Pitaya	Echinocereus viridiflorus var. davisii	Plants	Texas
363.	Del Mar Manzanita	Arctostaphylos glandulosa ssp. crassifolia	Plants	California, Mexico
364.	Delhi Sands Flower-loving Fly	Rhaphiomidas terminatus abdominalis	Insects	California
365.	Delmarva Peninsula Fox Squirrel	Sciurus niger cinereus	Mammals	USA (Delmarva Peninsula to southeastern Pennsylvania)
366.	Delta Green Ground Beetle	Elaphrus viridis	Insects	California
367.	Delta Smelt	Hypomesus transpacificus	Fishes	California
368.	Deltoid Spurge	Chamaesyce deltoidea ssp. deltoidea	Plants	Florida
369.	Dense Hydrobe	Aphaostracon pycnum	Snails	Florida
370.	Dense-flowered Charpenttiera	Charpentiera densiflora	Plants	Hawaii
371.	Desert Pocket Gopher	Geomys arenarius	Mammals	Mexico, New Mexico, Texas
372.	Desert Pupfish	Cyprinodon macularius	Fishes	Arizona, California, Mexico
373.	Desert Slender Salamander	Batrachoseps aridus	Amphibians	California
374.	Devil's Hole Pupfish	Cyprinodon diabolis	Fishes	Nevada
375.	Diamond Spleenwort	Asplenium fragile var. insulare	Plants	Hawaii
376.	Diellia erecta	Diellia erecta	Plants	Hawaii
377.	Diellia falcata	Diellia falcata	Plants	Hawaii
378.	Diellia pallida	Diellia pallida	Plants	Hawaii
379.	Diellia unisora	Diellia unisora	Plants	Hawaii
380.	Diminutive Clubtail	Gomphus diminutus	Insects	Georgia, North Carolina, South Carolina, Tennessee
381.	Diplazium molokaiense	Diplazium molokaiense	Plants	Hawaii
382.	Distocambarus devexus	Distocambarus devexus	Crustaceans	Georgia
383.	Distocambarus youngineri	Distocambarus youngineri	Crustaceans	South Carolina
384.	Domin's Club	Cheirodendron dominii	Plants	Hawaii
385.	Donkey Fish	Dermatolepis inermis	Fishes	Central and South America, North America (including United States), Oceanic
386.	Dromedary Pearlymussel	Dromus dromas	Clams	Alabama, Kentucky, Tennessee, Virginia
387.	Duckwater Pyrg	Pyrgulopsis aloba	Snails	Nevada
388.	Dusky Gopher Frog	Lithobates sevosus	Amphibians	Mississippi
389.	Duskytail Darter	Etheostoma percnurum	Fishes	Tennessee, Virginia
390.	Dutton's River Snail	Lithasia duttoniana	Snails	Tennessee
391.	Dwarf Bear-poppy	Arctomecon humilis	Plants	Utah
392.	Dwarf Iliau	Wilkesia hobdyi	Plants	Hawaii
393.	Dwarf Naupaka	Scaevola coriacea	Plants	Hawaii
394.	Dwarf Pebblesnail	Somatogyrus nanus	Snails	Alabama
395.	Dwarf Wedgemussel	Alasmidonta heterodon	Clams	Canada (New Brunswick), United States
396.	Eared Quetzal	Euptilotis neoxenus	Birds	Arizona, Mexico, New Mexico
397.	Eastern Tur	Capra cylindricornis	Mammals	Azerbaijan, Georgia, Russia
398.	Echinomorpha nishihirai	Echinomorpha nishihirai	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, Oceanic
399.	Echinopora horrida	Echinopora horrida	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
400.	Echinopora mammiformis	Echinopora mammiformis	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
401.	Echinopora pacificus	Echinopora pacificus	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
402.	Echinopora taylorae	Echinopora taylorae	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory)
403.	Edmund's Snaketail	Ophiogomphus edmundo	Insects	Georgia, North Carolina, Tennessee
404.	El Segundo Blue Butterfly	Euphilotes battoides allyni	Insects	California
405.	Elaphoidella amabilis	Elaphoidella amabilis	Crustaceans	United States
406.	Elk River File Snail	Lithasia lima	Snails	Alabama, Tennessee
407.	Emperor Goose	Chen canagica	Birds	Alaska, Canada, Russia
408.	Endodonta apiculata	Endodonta apiculata	Snails	Hawaii
409.	Erigeron decumbens var. decumbens	Erigeron decumbens var. decumbens	Plants	Oregon
410.	Erythrina eggersii	Erythrina eggersii	Plants	Puerto Rico, Virgin Islands
411.	Eskimo Curlew	Numenius borealis	Birds	Alaska and Northern Canada to Argentina
412.	Etonia Rosemary	Conradina etonia	Plants	Florida
413.	Etowah Darter	Etheostoma etowahae	Fishes	Georgia
414.	Eua zebrina	Eua zebrina	Snails	American Samoa
415.	Eugenia haematocarpa	Eugenia haematocarpa	Plants	Puerto Rico
416.	Eugenia koolauensis	Eugenia koolauensis	Plants	Hawaii
417.	Eugenia woodburyana	Eugenia woodburyana	Plants	Puerto Rico
418.	Euphorbia haeleeleana	Euphorbia haeleeleana	Plants	Hawaii
419.	Eureka Dune Grass	Swallenia alexandrae	Plants	California
420.	Eureka Valley Evening-primrose	Oenothera avita ssp. eurekensis	Plants	California
421.	Everglade Snail Kite	Rostrhamus sociabilis plumbeus	Birds	Florida
422.	Ewa Plains 'Akoko	Chamaesyce skottsbergii var. kalaeloana	Plants	Hawaii
423.	Fabulous Green Sphinx Moth	Tinostoma smaragditis	Insects	Hawaii
424.	Faichuk White-eye	Rukia ruki	Birds	Federated States of Micronesia
425.	False 'Ohe	Munroidendron racemosum	Plants	Hawaii
426.	False Flower Coral	Anacropora puertogalerae	Corals, Jellyfish, and Sea Anemones	Asia, Australia, Europe, North America (United States Territory), Oceanic
427.	False Spike	Quincuncina mitchelli	Clams	Texas
428.	Fanshell	Cyprogenia stegaria	Clams	Alabama, Illinois, Indiana, Kentucky, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia
429.	Fat Pocketbook	Potamilus capax	Clams	Arkansas, Illinois, Indiana, Iowa, Kentucky, Mississippi, Missouri, Ohio
430.	Fat Three-ridge Mussel	Amblema neislerii	Clams	Florida, Georgia
431.	Fenney Spring Hydrobe	Aphaostracon xynoelictum	Snails	Florida
432.	Few-flowered Navarretia	Navarretia leucocephala ssp. pauciflora	Plants	California
433.	Fine-lined Pocketbook	Lampsilis altilis	Clams	Alabama, Georgia, Tennessee
434.	Fine-rayed Pigtoe Pearlymussel	Fusconaia cuneolus	Clams	Tennessee, Virginia
435.	Flat Pebblesnail	Lepyrium showalteri	Snails	Alabama
436.	Flat Pigtoe	Pleurobema marshalli	Clams	Alabama, Mississippi
437.	Flordia Torreya	Torreya taxifolia	Plants	Florida, Georgia
438.	Florida Bog Frog	Lithobates okaloosae	Amphibians	Florida
439.	Florida Bonneted Bat	Eumops floridanus	Mammals	Florida
440.	Florida Fairy Shrimp	Dexteria floridana	Crustaceans	Florida
441.	Florida Golden Aster	Chrysopsis floridana	Plants	Florida
442.	Florida Grasshopper Sparrow	Ammodramus savannarum floridanus	Birds	Florida
443.	Florida Perforate Cladonia	Cladonia perforata	Plants	Florida
444.	Florida Salt Marsh Vole	Microtus pennsylvanicus dukecampbelli	Mammals	Florida
445.	Florida Scrub-jay	Aphelocoma coerulescens	Birds	Florida
446.	Florida Yew	Taxus floridana	Plants	Florida
447.	Florida Ziziphus	Ziziphus celata	Plants	Florida
448.	Flueggea neowawraea	Flueggea neowawraea	Plants	Hawaii
449.	Fluted Pebblesnail	Somatogyrus hendersoni	Snails	Alabama
450.	Flying Earwig Hawaiian Damselfly	Megalagrion nesiotes	Insects	Hawaii
451.	Formica dirksi	Formica dirksi	Insects	United States
452.	Formica talbotae	Formica talbotae	Insects	United States
453.	Formicoxenus chamberlini	Formicoxenus chamberlini	Insects	United States
454.	Formicoxenus provancheri	Formicoxenus provancheri	Insects	Canada, United States
455.	Fosberg's Love Grass	Eragrostis fosbergii	Plants	Hawaii
456.	Fountain Darter	Etheostoma fonticola	Fishes	Texas
457.	Fountain Thistle	Cirsium fontinale	Plants	California
458.	Four-petal Pawpaw	Asimina tetramera	Plants	Florida
459.	Foushee Cavesnail	Amnicola cora	Snails	Arkansas
460.	Fragrant Prickly-apple	Cereus eriophorus var fragrans	Plants	Florida
461.	Franklin Tree	Franklinia alatamaha	Plants	Georgia
462.	Franklin's Bumble Bee	Bombus franklini	Insects	California, Oregon
463.	Fraternal Snail	Micrarionta feralis	Snails	California
464.	Frilled Shark	Chlamydoselachus anguineus	Fishes	Angola, Australia, Chile, France, Guyana, Japan, Mauritania, Morocco, Namibia, New Zealand, Norway, Portugal (Madeira), South Africa, Spain, United Kingdom, United States (California)
465.	Fringe Tree	Chionanthus pygmaeus	Plants	Florida
466.	Frosted Flatwoods Salamander	Ambystoma cingulatum	Amphibians	Florida, Georgia, South Carolina
467.	Frye's Limbella Moss	Limbella fryei	Plants	Oregon
468.	Fungia fungites	Fungia fungites	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
469.	Furbish Lousewort	Pedicularis furbishiae	Plants	Canada (New Brunswick), Maine
470.	Fuzzyflower Cyrtandra	Cyrtandra waiolani	Plants	Hawaii
471.	Gambel's Watercress	Rorippa gambellii	Plants	California
472.	Gardenia brighamii	Gardenia brighamii	Plants	Hawaii
473.	Gardenia mannii	Gardenia mannii	Plants	Hawaii
474.	Garrett's Mint	Dicerandra christmanii	Plants	Florida
475.	Gaudichaud's Exocarpus	Exocarpos gaudichaudii	Plants	Hawaii
476.	Gaviota Tarplant	Deinandra increscens ssp. villosa	Plants	California
477.	Gentian Pinkroot	Spigelia gentianoides	Plants	Alabama, Florida
478.	Gentner's Fritillary	Fritillaria gentneri	Plants	Oregon
479.	Geothallus tuberosus	Geothallus tuberosus	Plants	California
480.	Geranium arboreum	Geranium arboreum	Plants	Hawaii
481.	Geranium multiflorum	Geranium multiflorum	Plants	Hawaii
482.	Giant Kangaroo Rat	Dipodomys ingens	Mammals	California
483.	Giant Wrasse	Cheilinus undulatus	Fishes	Africa, Asia, Australia, Middle East, Oceanic, United States Minor Outlying Islands (Wake Is.)
484.	Gila Chub	Gila intermedia	Fishes	Arizona, Mexico, New Mexico
485.	Gila Monster	Heloderma suspectum	Reptiles	Mexico, United States
486.	Gila Topminnow	Poeciliopsis occidentalis	Fishes	Arizona, New Mexico
487.	Gila Trout	Oncorhynchus gilae	Fishes	Arizona, New Mexico
488.	Gilia	Gilia tenuiflora	Plants	California
489.	Golden White-eye	Cleptornis marchei	Birds	Northern Mariana Islands
490.	Golden-cheeked Wood Warbler	Dendroica chrysoparia	Birds	Belize, Guatemala, Honduras, Mexico, Nicaragua, Texas
491.	Goliath Grouper	Epinephelus itajara	Fishes	Africa, Central and South America, Mexico, United States (Florida, Minor Outlying Islands)
492.	Goniastrea favulus	Goniastrea favulus	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, North America (United States Territory), Oceanic
493.	Goniastrea minuta	Goniastrea minuta	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Oceanic
494.	Goniastrea palauensis	Goniastrea palauensis	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, North America (United States Territory), Oceanic
495.	Goniopora lobata	Goniopora lobata	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
496.	Goniopora minor	Goniopora minor	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
497.	Goniopora stokesi	Goniopora stokesi	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
498.	Gopher Frog	Rana capito	Amphibians	United States
499.	Gouania hillebrandii	Gouania hillebrandii	Plants	Hawaii
500.	Gouania meyenii	Gouania meyenii	Plants	Hawaii
501.	Gouania vitifolia	Gouania vitifolia	Plants	Hawaii
502.	Government Canyon Bat Cave Meshweaver	Cicurina vespera	Arachnids	Texas
503.	Government Canyon Bat Cave Spider	Neoleptoneta microps	Arachnids	Texas
504.	Gray Bat	Myotis grisescens	Mammals	Central and Southeastern USA
505.	Gray Wolf	Canis lupus	Mammals	Mexico, United States
506.	Gray-checkered Whiptail	Aspidoscelis dixoni	Reptiles	New Mexico, Texas
507.	Greater Sage-grouse	Centrocercus urophasianus	Birds	Canada, United States
508.	Green Pitcher-plant	Sarracenia oreophila	Plants	Alabama, Georgia, North Carolina, Tennessee
509.	Green Salamander	Aneides aeneus	Amphibians	United States
510.	Green Sea Turtle	Chelonia mydas	Reptiles	Florida, Mexico (nesting populations), temperate seas and oceans
511.	Green Sturgeon	Acipenser medirostris	Fishes	Alaska, California, Canada (British Columbia), Mexico, Oregon
512.	Greene's Tuctoria	Tuctoria greenei	Plants	California
513.	Ground Beetle	Rhadine exilis	Insects	Texas
514.	Ground Beetle	Rhadine infernalis	Insects	Texas
515.	Guam Micronesian Kingfisher	Halcyon cinnamomina cinnamomina	Birds	West Pacific Ocean (USA - Guam)
516.	Guam Rail	Rallus owstoni	Birds	West Pacific Ocean (USA - Guam)
517.	Guam Swiftlet	Collocalia bartschi	Birds	Guam, Hawaii, Northern Mariana Islands
518.	Gulf Grouper	Mycteroperca jordani	Fishes	California, Mexico
519.	Gulf Moccasinshell	Medionidus penicillatus	Clams	Alabama, Florida, Georgia
520.	Gulf Sturgeon	Acipenser oxyrinchus	Fishes	Canada, United States
521.	Gulickia alexandri	Gulickia alexandri	Snails	Hawaii
522.	Gunnison Sage Grouse	Centrocercus minimus	Birds	Colorado, Utah
523.	Guthrie's Ground-plum	Astragalus bibullatus	Plants	Tennessee
524.	Ha'iwale	Cyrtandra crenata	Plants	Hawaii
525.	Ha'iwale	Cyrtandra dentata	Plants	Hawaii
526.	Ha'iwale	Cyrtandra giffardii	Plants	Hawaii
527.	Ha'iwale	Cyrtandra munroi	Plants	Hawaii
528.	Ha'iwale	Cyrtandra polyantha	Plants	Hawaii
529.	Ha'iwale	Cyrtandra subumbellata	Plants	Hawaii
530.	Ha'iwale	Cyrtandra tintinnabula	Plants	Hawaii
531.	Ha'iwale	Cyrtandra viridiflora	Plants	Hawaii
532.	Haha	Cyanea acuminata	Plants	Hawaii
533.	Haha	Cyanea asarifolia	Plants	Hawaii
534.	Haha	Cyanea asplenifolia	Plants	Hawaii
535.	Haha	Cyanea calycina	Plants	Hawaii
536.	Haha	Cyanea copelandii	Plants	Hawaii
537.	Haha	Cyanea crispa	Plants	Hawaii
538.	Haha	Cyanea dunbariae	Plants	Hawaii
539.	Haha	Cyanea dunbarii	Plants	Hawaii
540.	Haha	Cyanea eleeleensis	Plants	Hawaii
541.	Haha	Cyanea gibsonii	Plants	Hawaii
542.	Haha	Cyanea glabra	Plants	Hawaii
543.	Haha	Cyanea grimesiana	Plants	Hawaii
544.	Haha	Cyanea hamatiflora	Plants	Hawaii
545.	Haha	Cyanea horrida	Plants	Hawaii
546.	Haha	Cyanea humboldtiana	Plants	Hawaii
547.	Haha	Cyanea koolauensis	Plants	Hawaii
548.	Haha	Cyanea lobata	Plants	Hawaii
549.	Haha	Cyanea longiflora	Plants	Hawaii
550.	Haha	Cyanea macrostegia ssp. gibsonii	Plants	Hawaii
551.	Haha	Cyanea mannii	Plants	Hawaii
552.	Haha	Cyanea mceldowneyi	Plants	Hawaii
553.	Haha	Cyanea pinnatifida	Plants	Hawaii
554.	Haha	Cyanea platyphylla	Plants	Hawaii
555.	Haha	Cyanea procera	Plants	Hawaii
556.	Haha	Cyanea remyi	Plants	Hawaii
557.	Haha	Cyanea shipmanii	Plants	Hawaii
558.	Haha	Cyanea st-johnii	Plants	Hawaii
559.	Haha	Cyanea stictophylla	Plants	Hawaii
560.	Haha	Cyanea superba	Plants	Hawaii
561.	Haha	Cyanea truncata	Plants	Hawaii
562.	Haha	Cyanea undulata	Plants	Hawaii
563.	Hairy Orcutt Grass	Orcuttia pilosa	Plants	California
564.	Hairy Rattleweed	Baptisia arachnifera	Plants	Georgia
565.	Hala pepe	Pleomele hawaiiensis	Plants	Hawaii
566.	Haleakala Clermontia	Clermontia tuberculata	Plants	Hawaii
567.	Halemanu's Broomspurge	Chamaesyce halemanui	Plants	Hawaii
568.	Hamakua Clermontia	Clermontia pyrularia	Plants	Hawaii
569.	Hammerhead Shark	Sphyrna mokarran	Fishes	Africa, Asia, Australia, Central and South America, Middle East, Oceanic, United States
570.	Hana Clermontia	Clermontia samuelii	Plants	Hawaii
571.	Hard Coral	Diploastrea heliopora	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, Europe, Africa, and the Middle East, North America (United States Territory), Oceanic
572.	Harpagoxenus canadensis	Harpagoxenus canadensis	Insects	Canada, United States
573.	Harper's Beauty	Harperocallis flava	Plants	Florida
574.	Harperella	Ptilimnium nodosum	Plants	Alabama, Arkansas, Georgia, Maryland, North Carolina, South Carolina, West Virginia
575.	Hartweg's Golden Sunburst	Pseudobahia bahiifolia	Plants	California
576.	Hatchie Burrowing Crayfish	Fallicambarus hortoni	Crustaceans	Tennessee
577.	Hau kuahiwi	Hibiscadelphus giffardianus	Plants	Hawaii
578.	Hau kuahiwi	Hibiscadelphus hualalaiensis	Plants	Hawaii
579.	Hau kuahiwi	Hibiscadelphus woodii	Plants	Hawaii
580.	Hawaii Bog Orchid	Platanthera holochila	Plants	Hawaii
581.	Hawaii Creeper	Oreomystis mana	Birds	Hawaii
582.	Hawaii Lady's Nightcap	Bonamia menziesii	Plants	Hawaii
583.	Hawaii pilo kea	Platydesma remyi	Plants	Hawaii
584.	Hawaii Scaleseed	Spermolepis hawaiiensis	Plants	Hawaii
585.	Hawaiian Bluegrass	Poa sandvicensis	Plants	Hawaii
586.	Hawaiian Coot	Fulica americana alai	Birds	Hawaii
587.	Hawaiian Crow	Corvus hawaiiensis	Birds	Hawaii
588.	Hawaiian Dark-rumped Petrel	Pterodroma phaeopygia sandwichensis	Birds	Hawaii
589.	Hawaiian Duck	Anas wyvilliana	Birds	Hawaii
590.	Hawaiian Goose	Branta sandvicensis	Birds	Hawaii
591.	Hawaiian Hawk	Buteo solitarius	Birds	Hawaii
592.	Hawaiian Hoary Bat	Lasiurus cinereus semotus	Mammals	Hawaii
593.	Hawaiian Monk Seal	Monachus schauinslandi	Mammals	Hawaii
594.	Hawaiian Stilt	Himantopus mexicanus knudseni	Birds	Hawaii
595.	Hawaiian Tree Cotton	Kokia drynarioides	Plants	Hawaii
596.	Hawaiian Vetch	Vicia menziesii	Plants	Hawaii
597.	Hay's Spring Amphipod	Stygobromus hayi	Crustaceans	District of Columbia
598.	Hayun Iagu	Serianthes nelsonii	Plants	Western Pacific Ocean (USA.- GU, MP-Rota)
599.	Heart-Shaped Delissea	Delissea subcordata	Plants	Hawaii
600.	Heau	Exocarpos luteolus	Plants	Hawaii
601.	Heavy Pigtoe	Pleurobema taitianum	Clams	Alabama, Mississippi
602.	Hedrick's Robber Frog	Eleutherodactylus hedricki	Amphibians	Puerto Rico
603.	Heermann's Gull	Larus heermanni	Birds	Arizona, California, Canada, Guatemala, Mexico, Oregon, Washington
604.	Hell Creek Crayfish	Cambarus zophonastes	Crustaceans	Arkansas
605.	Hellbender	Cryptobranchus alleganiensis	Amphibians	United States
606.	Helotes Mold Beetle	Batrisodes venyivi	Insects	Texas
607.	Henriettea membranifolia	Henriettea membranifolia	Plants	Puerto Rico
608.	Henslow's Sparrow	Ammodramus henslowii	Birds	Canada, United States
609.	Herbst's Sandmat	Chamaesyce herbstii	Plants	Hawaii
610.	Hermes Copper	Lycaena hermes	Insects	California, Mexico
611.	Hesperodiaptomus augustaensis	Hesperodiaptomus augustaensis	Crustaceans	North Carolina
612.	Hesperodiaptomus californiensis	Hesperodiaptomus californiensis	Crustaceans	California
613.	Hesperomannia arborescens	Hesperomannia arborescens	Plants	Hawaii
614.	Hesperomannia arbuscula	Hesperomannia arbuscula	Plants	Hawaii
615.	Hesperomannia lydgatei	Hesperomannia lydgatei	Plants	Hawaii
616.	Hibiscus arnottianus ssp. immaculatus	Hibiscus arnottianus ssp. immaculatus	Plants	Hawaii
617.	Hibiscus brackenridgei	Hibiscus brackenridgei	Plants	Hawaii
618.	Hibiscus clayi	Hibiscus clayi	Plants	Hawaii
619.	Hibiscus waimeae ssp. hannerae	Hibiscus waimeae ssp. hannerae	Plants	Hawaii
620.	Hickman's Potentilla	Potentilla hickmanii	Plants	California
621.	Hidden Pebblesnail	Somatogyrus decipiens	Snails	Alabama
622.	Higgins Eye Pearlymussel	Lampsilis higginsii	Clams	Illinois, Iowa, Minnesota, Montana, Nebraska, Wisconsin
623.	Higuero de sierra	Crescentia portoricensis	Plants	Puerto Rico
624.	Hillside Clermontia	Clermontia lindseyana	Plants	Hawaii
625.	Hilo Ischaemum	Ischaemum byrone	Plants	Hawaii
626.	Hine's Emerald Dragonfly	Somatochlora hineana	Insects	Illinois, Indiana, Ohio, Wisconsin
627.	Hispaniolan Amazon	Amazona ventralis	Birds	Dominican Republic, Puerto Rico, Virgin Islands (British and US)
628.	Hodges' Clubtail	Gomphus hodgesi	Insects	Alabama, Florida, Louisiana, Mississippi
629.	Hoffmann's Rock-cress	Arabis hoffmannii	Plants	California
630.	Holly	Ilex cookii	Plants	Puerto Rico
631.	Holly	Ilex sintenisii	Plants	Puerto Rico
632.	Holmgren Milk-vetch	Astragalus holmgreniorum	Plants	Arizona, Utah
633.	Holy Ghost Ipomopsis	Ipomopsis sancti-spiritus	Plants	New Mexico
634.	Holywood Lignum Vitae	Guaiacum sanctum	Plants	Central and South America, Florida, Mexico, Puerto Rico
635.	Honohono	Haplostachys haplostachya	Plants	Hawaii
636.	Houston Toad	Bufo houstonensis	Amphibians	Texas
637.	Howell's Spineflower	Chorizanthe howellii	Plants	California
638.	Huachuca Water-umbel	Lilaeopsis schaffneriana var. recurva	Plants	Arizona, Mexico
639.	Hualapai Mexican Vole	Microtus mexicanus hualpaiensis	Mammals	Arizona
640.	Hump Coral (eridani)	Porites eridani	Corals, Jellyfish, and Sea Anemones	Australia, Cambodia, China, Federated States of Micronesia, Indonesia, Malaysia, Northern Mariana Islands, Palau, Papua New Guinea, Philippines, Singapore, Solomon Islands, Taiwan, Thailand, Vietnam
641.	Humpback Chub	Gila cypha	Fishes	Arizona, Colorado, Utah, Wyoming
642.	Hungerford's Crawling Water Beetle	Brychius hungerfordi	Insects	Canada, Michigan
643.	Hydnophora Coral	Hydnophora exesa	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America, Oceanic
644.	Hydnophora Coral	Hydnophora microconos	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
645.	Hypericum cumulicola	Hypericum cumulicola	Plants	Florida
646.	Idaho Ground Squirrel	Spermophilus brunneus	Mammals	Idaho
647.	Idaho Point-headed Grasshopper	Acrolophitus pulchellus	Insects	Idaho
648.	Idaho Springsnail	Pyrgulopsis idahoensis	Snails	Idaho
649.	Ihi'ihi	Marsilea villosa	Plants	Hawaii
650.	Illinois Cave Amphipod	Gammarus acherondytes	Crustaceans	Illinois
651.	Indian Knob Mountain Balm	Eriodictyon altissimum	Plants	California
652.	Indiana Bat	Myotis sodalis	Mammals	Eastern and Midwestern USA
653.	Interior Robber Frog	Eleutherodactylus locustus	Amphibians	Puerto Rico
654.	Inyo Mountains Salamander	Batrachoseps campi	Amphibians	California
655.	Ione Buckwheat	Eriogonum apricum	Plants	California
656.	Iowa Pleistocene Snail	Discus macclintocki	Snails	Illinois, Iowa
657.	Ischnura gemina	Ischnura gemina	Insects	California
658.	Island Barberry	Berberis pinnata ssp. insularis	Plants	California
659.	Island Fox	Urocyon littoralis	Mammals	California
660.	Island Malacothrix	Malacothrix squalida	Plants	California
661.	Island Phacelia	Phacelia insularis ssp. insularis	Plants	California
662.	Island Scrub-jay	Aphelocoma insularis	Birds	California
663.	Isopora crateriformis	Isopora crateriformis	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Oceanic
664.	Isopora cuneata	Isopora cuneata	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, North America (United States Territory), Oceanic
665.	Isopora palifera	Isopora palifera	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
666.	Ivory-billed Woodpecker	Campephilus principalis	Birds	Cuba, USA (southcentral and southeastern)
667.	Jack Bean	Canavalia pubescens	Plants	Hawaii
668.	Jaguar	Panthera onca	Mammals	Arizona, California, Central and South America, Louisiana, Mexico, New Mexico, Texas
669.	Jaguarundi	Herpailurus yagouaroundi	Mammals	Arizona, Costa Rica, Mexico, Nicaragua, Panama, Texas
670.	Jamaican Broom	Chamaecrista glandulosa var. mirabilis	Plants	Puerto Rico
671.	James Spinymussel	Pleurobema collina	Clams	Virginia, West Virginia
672.	Jay's River Snail	Lithasia jayana	Snails	Tennessee
673.	Jesup's Milk-vetch	Astragalus robbinsii var. jesupi	Plants	New Hampshire, Vermont
674.	Johnston's Frankenia	Frankenia johnstonii	Plants	Mexico (Nuevo Leon), Texas
675.	Jollyville Plateau Salamander	Eurycea tonkawae	Amphibians	Texas
676.	June Sucker	Chasmistes liorus	Fishes	Utah
677.	Kalalau Valley Remya	Remya montgomeryi	Plants	Hawaii
678.	Kalalau Valley Stenogyne	Stenogyne campanulata	Plants	Hawaii
679.	Kalealaha Beggarticks	Bidens micrantha ssp. kalealaha	Plants	Hawaii
680.	Kamakahala	Labordia cyrtandrae	Plants	Hawaii
681.	Kamakahala	Labordia kaalae	Plants	Hawaii
682.	Kamakahala	Labordia lydgatei	Plants	Hawaii
683.	Kamakahala	Labordia tinifolia	Plants	Hawaii
684.	Kamakahala	Labordia triflora	Plants	Hawaii
685.	Kamanomano	Cenchrus agrimonioides	Plants	Hawaii
686.	Kanab Amber Snail	Oxyloma kanabense	Snails	Arizona, Canada, Utah
687.	Kanab Ambersnail	Oxyloma haydeni kanabensis	Snails	Arizona, Utah
688.	Kangaroo Rat	Dipodomys nitratoides	Mammals	California
689.	Karl's Robber Frog	Eleutherodactylus karlschmidti	Amphibians	Puerto Rico
690.	Karner Blue Butterfly	Lycaeides melissa samuelis	Insects	Canada (Ontario), Illinois, Indiana, Massachusetts, Michigan, Minnesota, New Hampshire, New York, Ohio, Pennsylvania, Wisconsin
691.	Kauai 'O'o	Moho braccatus	Birds	Hawaii
692.	Kauai Akialoa	Hemignathus procerus	Birds	Hawaii
693.	Kauai Bluegrass	Poa siphonoglossa	Plants	Hawaii
694.	Kauai Cave Amphipod	Spelaeorchestia koloana	Crustaceans	Hawaii
695.	Kauai Cave Wolf Spider	Adelocosa anops	Arachnids	Hawaii
696.	Kauai Delissea	Delissea rhytidosperma	Plants	Hawaii
697.	Kauai hau kuahiwi	Hibiscadelphus distans	Plants	Hawaii
698.	Kauai Koki'o	Kokia kauaiensis	Plants	Hawaii
699.	Kauai Pa'iniu	Astelia waialealae	Plants	Hawaii
700.	Kauai Remya	Remya kauaiensis	Plants	Hawaii
701.	Kauila	Colubrina oppositifolia	Plants	Hawaii
702.	Kaulu	Pteralyxia kauaiensis	Plants	Hawaii
703.	Kearney's Blue-star	Amsonia kearneyana	Plants	Arizona
704.	Keck's Checker-mallow	Sidalcea keckii	Plants	California
705.	Kelso Giant Sand Treader Cricket	Macrobaenetes kelsoensis	Insects	California
706.	Kelso Jerusalem Cricket	Ammopelmatus kelsoensis	Insects	California
707.	Kentucky Cave Shrimp	Palaemonias ganteri	Crustaceans	Kentucky
708.	Kern Mallow	Eremalche kernensis	Plants	California
709.	Kern Plateau Salamander	Batrachoseps robustus	Amphibians	California
710.	Kern Shoulderband	Helminthoglypta callistoderma	Snails	California
711.	Key Largo Cotton Mouse	Peromyscus gossypinus allapaticola	Mammals	Florida
712.	Key Largo Woodrat	Neotoma floridana smalli	Mammals	Florida
713.	Kiamichi Crayfish	Orconectes saxatilis	Crustaceans	Oklahoma
714.	Killer Whale	Orcinus orca	Mammals	Southern Resident DPS (Canada, USA - WA)
715.	Kio'ele	Hedyotis coriacea	Plants	Hawaii
716.	Kirtland's Snake	Clonophis kirtlandii	Reptiles	Illinois, Indiana, Kentucky, Michigan, Ohio
717.	Kirtland's Wood Warbler	Dendroica kirtlandii	Birds	Michigan, South Carolina, Wisconsin
718.	Kittlitz's Murrelet	Brachyramphus brevirostris	Birds	Canada, Japan, Russia, United States
719.	Kneeland Prairie Penny-cress	Thlaspi californicum	Plants	California
720.	Knob Coral	Favia helianthoides	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
721.	Knob Coral	Favia lizardensis	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
722.	Knob Coral	Favia maritima	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
723.	Knob Coral	Favia matthaii	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic, South America
724.	Knob Coral	Favia rotundata	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
725.	Knob Coral	Favia stelligera	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic, South America
726.	Knob Coral	Favia veroni	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
727.	Knowlton Cactus	Pediocactus knowltonii	Plants	Colorado, New Mexico
728.	Ko'oloa'ula	Abutilon menziesii	Plants	Hawaii
729.	Kodachrome Bladderpod	Lesquerella tumulosa	Plants	Utah
730.	Kohala Mountain Clermontia	Clermontia drepanomorpha	Plants	Hawaii
731.	Kohe malama malama o kanaloa	Kanaloa kahoolawensis	Plants	Hawaii
732.	Kokomalei	Chamaesyce kuwaleana	Plants	Hawaii
733.	Koolau Range Sandmat	Chamaesyce rockii	Plants	Hawaii
734.	Kopa	Hedyotis schlechtendahliana var. remyi	Plants	Hawaii
735.	Koster's Springsnail	Juturnia kosteri	Snails	New Mexico
736.	Kretschmarr Cave Mold Beetle	Texamaurops reddelli	Insects	Texas
737.	Kuahiwi laukahi	Plantago hawaiensis	Plants	Hawaii
738.	Kuahiwi laukahi	Plantago princeps	Plants	Hawaii
739.	Kuawawaenohu	Alsinidendron lychnoides	Plants	Hawaii
740.	Kuenzler Hedgehog Cactus	Echinocereus fendleri var. kuenzleri	Plants	New Mexico
741.	Kula Wahine Noho	Isodendrion pyrifolium	Plants	Hawaii
742.	Kulu'i	Nototrichium humile	Plants	Hawaii
743.	La Graciosa Thistle	Cirsium loncholepis	Plants	California
744.	Lacerta clarkorum	Lacerta clarkorum	Reptiles	Georgia, Turkey
745.	Laguna Mountains Skipper	Pyrgus ruralis lagunae	Insects	California
746.	Lake County Stonecrop	Parvisedum leiocarpum	Plants	California
747.	Lakela's Mint	Dicerandra immaculata	Plants	Florida
748.	Lamarck's Sheet Coral	Agaricia lamarcki	Corals, Jellyfish, and Sea Anemones	Central and South America, Europe, North America (including United States)
749.	Laminella sanguinea	Laminella sanguinea	Snails	Hawaii
750.	Lanai Hala Pepe	Pleomele fernaldii	Plants	Hawaii
751.	Lanai Sandalwood	Santalum freycinetianum var. lanaiense	Plants	Hawaii
752.	Lanai Sawsedge	Gahnia lanaiensis	Plants	Hawaii
753.	Lane Mountain Milk-vetch	Astragalus jaegerianus	Plants	California
754.	Lange's Metalmark Butterfly	Apodemia mormo langei	Insects	California
755.	Large Kauai Thrush	Myadestes myadestinus	Birds	Hawaii
756.	Large-flowered Fiddleneck	Amsinckia grandiflora	Plants	California
757.	Large-fruited Sand-verbena	Abronia macrocarpa	Plants	Texas
758.	Largetooth Sawfish	Pristis perotteti	Fishes	Africa, Central and South America, Europe, Mexico, United States
759.	Laricis Tree Cricket	Oecanthus laricis	Insects	Michigan, Ohio
760.	Lava Clermontia	Clermontia calophylla	Plants	Hawaii
761.	Lavaslope False Lobelia	Trematolobelia singularis	Plants	Hawaii
762.	Laysan Duck	Anas laysanensis	Birds	Hawaii
763.	Laysan Finch	Telespyza cantans	Birds	Hawaii
764.	Leafy Prairie-clover	Dalea foliosa	Plants	Alabama, Illinois, Tennessee
765.	Least Bell's Vireo	Vireo bellii pusillus	Birds	California, Mexico
766.	Least Tern	Sterna antillarum	Birds	Bahamas, Central America (winters), Greater and Lesser Antilles, Mexico, Northern South America, USA (California, including the Miss. R. Basin), Atlantic Gulf Coasts
767.	Lee County Cave Isopod	Lirceus usdagalun	Crustaceans	Virginia
768.	Leechleaf Delissea	Delissea undulata	Plants	Hawaii
769.	Leon Springs Pupfish	Cyprinodon bovinus	Fishes	Texas
770.	Leptachatina lepida	Leptachatina lepida	Snails	Hawaii
771.	Leptoseris incrustans	Leptoseris incrustans	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
772.	Leptoseris yabei	Leptoseris yabei	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
773.	Leptothorax duloticus	Leptothorax duloticus	Insects	United States
774.	Leptothorax minutissimus	Leptothorax minutissimus	Insects	United States
775.	Lesser Long-nosed Bat	Leptonycteris curasoae yerbabuenae	Mammals	Arizona, New Mexico
776.	Lesser White-fronted Goose	Anser erythropus	Birds	Asia, Europe, Middle East, North America (United States Territory)
777.	Lidflower	Calyptranthes kiaerskovii	Plants	British Virgin Islands, Puerto Rico
778.	Lidflower	Calyptranthes portoricensis	Plants	Puerto Rico
779.	Lidflower	Calyptranthes thomasiana	Plants	British Virgin Islands, Puerto Rico, Virgin Islands
780.	Liliwai	Acaena exigua	Plants	Hawaii
781.	Lily Shoals Elimia	Elimia annettae	Snails	Alabama
782.	Little Aguja Creek Pondweed	Potamogeton clystocarpus	Plants	Texas
783.	Little Mariana Fruit Bat	Pteropus tokudae	Mammals	West Pacific Ocean (USA - Guam)
784.	Littlewing Pearlymussel	Pegias fabula	Clams	Alabama, Kentucky, North Carolina, Tennessee, Virginia
785.	Lo'ulu	Pritchardia affinis	Plants	Hawaii
786.	Lo'ulu	Pritchardia aylmer-robinsonii	Plants	Hawaii
787.	Lo'ulu	Pritchardia forbesiana	Plants	Hawaii
788.	Lo'ulu	Pritchardia glabrata	Plants	Hawaii
789.	Lo'ulu	Pritchardia hardyi	Plants	Hawaii
790.	Lo'ulu	Pritchardia kaalae	Plants	Hawaii
791.	Lo'ulu	Pritchardia lanaiensis	Plants	Hawaii
792.	Lo'ulu	Pritchardia lanigera	Plants	Hawaii
793.	Lo'ulu	Pritchardia limahuliensis	Plants	Hawaii
794.	Lo'ulu	Pritchardia munroi	Plants	Hawaii
795.	Lo'ulu	Pritchardia napaliensis	Plants	Hawaii
796.	Lo'ulu	Pritchardia perlmanii	Plants	Hawaii
797.	Lo'ulu	Pritchardia remota	Plants	Hawaii
798.	Lo'ulu	Pritchardia schattaueri	Plants	Hawaii
799.	Lo'ulu	Pritchardia viscosa	Plants	Hawaii
800.	Lobelia gaudichaudii ssp. koolauensis	Lobelia gaudichaudii ssp. koolauensis	Plants	Hawaii
801.	Lobelia monostachya	Lobelia monostachya	Plants	Hawaii
802.	Lobelia niihauensis	Lobelia niihauensis	Plants	Hawaii
803.	Lobelia oahuensis	Lobelia oahuensis	Plants	Hawaii
804.	Lobophyllia diminuta	Lobophyllia diminuta	Corals, Jellyfish, and Sea Anemones	Asia, Australia, Europe, North America (United States Territory), Oceanic
805.	Lobophyllia pachysepta	Lobophyllia pachysepta	Corals, Jellyfish, and Sea Anemones	Asia, Australia, Europe, North America (United States Territory), Oceanic
806.	Loch Lomond Coyote Thistle	Eryngium constancei	Plants	California
807.	Loggerhead Sea Turtle	Caretta caretta	Reptiles	Australia, Central and South America, Europe, Africa, Asia, and North America, Middle East, Oceanic
808.	Logwood	Xylosma crenatum	Plants	Hawaii
809.	Logwood	Xylosma pachyphyllum	Plants	Puerto Rico
810.	Lompoc Grasshopper	Trimerotropis occulens	Insects	California
811.	Lompoc Yerba Santa	Eriodictyon capitatum	Plants	California
812.	Longhorn Fairy Shrimp	Branchinecta longiantenna	Crustaceans	California
813.	Longspurred Mint	Dicerandra cornutissima	Plants	Florida
814.	Lonoke Crayfish	Procambarus ferrugineus	Crustaceans	Arkansas
815.	Lost River Sucker	Deltistes luxatus	Fishes	California, Oregon
816.	Lotis Blue Butterfly	Lycaeides argyrognomon lotis	Insects	California
817.	Louisiana Pearl Shell	Margaritifera hembeli	Clams	Louisiana
818.	Louisiana Pine Snake	Pituophis ruthveni	Reptiles	Louisiana, Texas
819.	Lower Keys Marsh Rabbit	Sylvilagus palustris hefneri	Mammals	Florida
820.	Luquillo Mountain Babyboot Orchid	Lepanthes eltoroensis	Plants	Puerto Rico
821.	Lyon's Pentachaeta	Pentachaeta lyonii	Plants	California
822.	Lyonia truncata var. proctorii	Lyonia truncata var. proctorii	Plants	Puerto Rico
823.	Machaonia woodburyana	Machaonia woodburyana	Plants	Virgin Islands (British and US)
824.	Macromia margarita	Macromia margarita	Insects	United States
825.	Madison Cave Isopod	Antrolana lira	Crustaceans	Virginia, West Virginia
826.	Madla's Cave Meshweaver	Cicurina madla	Arachnids	Texas
827.	Magazine Mountain Middle-toothed Snail	Inflectarius magazinensis	Snails	Arkansas
828.	Mahoe	Alectryon macrococcus	Plants	Hawaii
829.	Maiden Fern	Thelypteris inabonensis	Plants	Puerto Rico
830.	Maiden Fern	Thelypteris verecunda	Plants	Puerto Rico
831.	Maiden Fern	Thelypteris yaucoensis	Plants	Puerto Rico
832.	Makua Daisy	Tetramolopium filiforme	Plants	Hawaii
833.	Malheur Wire-lettuce	Stephanomeria malheurensis	Plants	Oregon
834.	Mancos Milk-vetch	Astragalus humillimus	Plants	Colorado, New Mexico
835.	Mann's Bluegrass	Poa mannii	Plants	Hawaii
836.	Many-flowered Navarretia	Navarretia leucocephala ssp. plieantha	Plants	California
837.	Mao	Gymnomyza samoensis	Birds	American Samoa, Samoa
838.	Mapele	Cyrtandra cyaneoides	Plants	Hawaii
839.	Marbled Disc	Discus marmorensis	Snails	Idaho, Iowa
840.	Marbled Murrelet	Brachyramphus marmoratus	Birds	Canada, Mexico, United States
841.	Mariana Crow	Corvus kubaryi	Birds	Washington, Western Pacific Ocean (USA - Guam, Rota)
842.	Mariana Fruit-dove	Ptilinopus roseicapilla	Birds	Guam, Northern Mariana Islands
843.	Mariana Gray Swiftlet	Aerodramus vanikorensis bartschi	Birds	Western Pacific USA (Guam, Rota, Tinian, Saipan, Agiguan)
844.	Marianas Flying Fox	Pteropus mariannus	Mammals	Federated States of Micronesia, Guam, Northern Mariana Islands
845.	Mariscus fauriei	Mariscus fauriei	Plants	Hawaii
846.	Mariscus pennatiformis	Mariscus pennatiformis	Plants	Hawaii
847.	Maryland Darter	Etheostoma sellare	Fishes	Maryland
848.	Masked Bobwhite Quail	Colinus virginianus ridgwayi	Birds	Arizona, Mexico (Sonora)
849.	Maui Alauahio	Paroreomyza montana	Birds	Hawaii
850.	Maui Parrotbill	Pseudonestor xanthophrys	Birds	Hawaii
851.	Maui Remya	Remya mauiensis	Plants	Hawaii
852.	Maui Tetramolopium	Tetramolopium arenarium	Plants	Hawaii
853.	Maui Yellow Loosestrife	Lysimachia lydgatei	Plants	Hawaii
854.	Mauna Loa Silversword	Argyroxiphium kauense	Plants	Hawaii
855.	Maxwell's Girdlepod	Mitracarpus maxwelliae	Plants	Puerto Rico
856.	Maytenus cymosa	Maytenus cymosa	Plants	Puerto Rico, Virgin Islands (British and US)
857.	McDonald's Rock-cress	Arabis mcdonaldiana	Plants	California
858.	Melicope adscendens	Melicope adscendens	Plants	Hawaii
859.	Melicope balloui	Melicope balloui	Plants	Hawaii
860.	Melicope christophersenii	Melicope christophersenii	Plants	Hawaii
861.	Melicope cinerea	Melicope cinerea	Plants	Hawaii
862.	Melicope haupuensis	Melicope haupuensis	Plants	Hawaii
863.	Melicope knudsenii	Melicope knudsenii	Plants	Hawaii
864.	Melicope lydgatei	Melicope lydgatei	Plants	Hawaii
865.	Melicope macropus	Melicope macropus	Plants	Hawaii
866.	Melicope makahae	Melicope makahae	Plants	Hawaii
867.	Melicope mucronulata	Melicope mucronulata	Plants	Hawaii
868.	Melicope munroi	Melicope munroi	Plants	Hawaii
869.	Melicope orbicularis	Melicope orbicularis	Plants	Hawaii
870.	Melicope ovalis	Melicope ovalis	Plants	Hawaii
871.	Melicope pallida	Melicope pallida	Plants	Hawaii
872.	Melicope puberula	Melicope puberula	Plants	Hawaii
873.	Melicope quadrangularis	Melicope quadrangularis	Plants	Hawaii
874.	Melicope reflexa	Melicope reflexa	Plants	Hawaii
875.	Melicope saint-johnii	Melicope saint-johnii	Plants	Hawaii
876.	Melicope sandwicensis	Melicope sandwicensis	Plants	Hawaii
877.	Melicope waialealae	Melicope waialealae	Plants	Hawaii
878.	Melicope zahlbruckneri	Melicope zahlbruckneri	Plants	Hawaii
879.	Menzies' Wallflower	Erysimum menziesii	Plants	California
880.	Metcalf Canyon Jewelflower	Streptanthus albidus ssp. albidus	Plants	California
881.	Mexican Flannelbush	Fremontodendron mexicanum	Plants	California, Mexico
882.	Mexican Long-nosed Bat	Leptonycteris nivalis	Mammals	Central America, Mexico, New Mexico, Texas
883.	Mexican Long-tongued Bat	Choeronycteris mexicana	Mammals	Arizona, California, El Salvador, Guatemala, Honduras, Mexico, Nevada, New Mexico, Texas
884.	Miami Cave Crayfish	Procambarus milleri	Crustaceans	Florida
885.	Michaux's Sumac	Rhus michauxii	Plants	Georgia, North Carolina, South Carolina, Virginia
886.	Michigan Monkey-flower	Mimulus glabratus var. michiganensis	Plants	Michigan
887.	Micronesian Imperial-pigeon	Ducula oceanica	Birds	Federated States of Micronesia, Marshall Islands, Palau
888.	Micronesian Megapode	Megapodius laperouse	Birds	USA (Mariana Islands), West Pacific Ocean (Palau Islands)
889.	Middlekauf's Shieldback Katydid	Idiostatus middlekaufi	Insects	California
890.	Milkwort	Polygala lewtonii	Plants	Florida
891.	Milkwort	Polygala smallii	Plants	Florida
892.	Millepora tuberosa	Millepora tuberosa	Corals, Jellyfish, and Sea Anemones	China, Federated States of Micronesia, Japan, Mauritius, Northern Mariana Islands, Taiwan
893.	Minnesota Dwarf Trout Lily	Erythronium propullans	Plants	Minnesota
894.	Mitchell's Satyr Butterfly	Neonympha mitchellii	Insects	Indiana, Michigan, New Jersey, North Carolina, Ohio
895.	Moapa Dace	Moapa coriacea	Fishes	Nevada
896.	Moapa Pebblesnail	Pyrgulopsis avernalis	Snails	Nevada
897.	Modoc Sucker	Catostomus microps	Fishes	California
898.	Mohave Tui Chub	Gila bicolor mohavensis	Fishes	California
899.	Molokai Creeper	Paroreomyza flammea	Birds	Hawaii
900.	Molokai Damselfly	Megalagrion molokaiense	Insects	Hawaii
901.	Molokai Jack-bean	Canavalia molokaiensis	Plants	Hawaii
902.	Molokai Thrush	Myadestes lanaiensis rutha	Birds	Hawaii
903.	Mona Blind Snake	Typhlops monensis	Reptiles	Puerto Rico
904.	Monito Gecko	Sphaerodactylus micropithecus	Reptiles	Puerto Rico
905.	Montastraea faveolata	Montastraea faveolata	Corals, Jellyfish, and Sea Anemones	Central and South America, Mexico, United States
906.	Monte Guilarte Hollyfern	Polystichum calderonense	Plants	Puerto Rico
907.	Monterey Clover	Trifolium trichocalyx	Plants	California
908.	Moom Pebblesnail	Somatogyrus obtusus	Snails	Alabama
909.	Moon Coral	Favites abdita	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory)
910.	Moon Coral	Favites bestae	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, North America (United States Territory), Oceanic
911.	Moon Coral	Favites chinensis	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
912.	Moon Coral	Favites complanata	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
913.	Moon Coral	Favites flexuosa	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
914.	Moon Coral	Favites halicora	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
915.	Moon Coral	Favites russelli	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
916.	Morefield's Leather Flower	Clematis morefieldii	Plants	Alabama
917.	Morro Bay Kangaroo Rat	Dipodomys heermanni morroensis	Mammals	California
918.	Morro Shoulderband Snail	Helminthoglypta walkeriana	Snails	California
919.	Mount Graham Red Squirrel	Tamiasciurus hudsonicus grahamensis	Mammals	Arizona
920.	Mountain Plover	Charadrius montanus	Birds	Canada, Mexico, United States
921.	Mountain Sweet Pitcher-plant	Sarracenia rubra ssp. jonesii	Plants	North Carolina, South Carolina
922.	Mountain Yellow-legged Frog	Rana muscosa	Amphibians	USA - Southern California DPS
923.	Mt. Hermon June Beetle	Polyphylla barbata	Insects	California
924.	Muddy Rocksnail	Lithasia salebrosa	Snails	Alabama, Kentucky, Tennessee
925.	Munz's Onion	Allium munzii	Plants	California
926.	Myrcia paganii	Myrcia paganii	Plants	Puerto Rico
927.	Myrsine juddii	Myrsine juddii	Plants	Hawaii
928.	Myrsine knudsenii	Myrsine knudsenii	Plants	Hawaii
929.	Myrsine mezii	Myrsine mezii	Plants	Hawaii
930.	Myrsine petiolata	Myrsine petiolata	Plants	Hawaii
931.	Na Pali Beach Hedyotis	Hedyotis st. johnii	Plants	Hawaii
932.	Na Pali Sandmat	Chamaesyce eleanoriae	Plants	Hawaii
933.	Na'ena'e	Dubautia herbstobatae	Plants	Hawaii
934.	Na'ena'e	Dubautia latifolia	Plants	Hawaii
935.	Na'ena'e	Dubautia pauciflorula	Plants	Hawaii
936.	Na'ena'e	Dubautia plantaginea ssp. humilis	Plants	Hawaii
937.	Napa Bluegrass	Poa napensis	Plants	California
938.	Narrow Pigtoe	Fusconaia escambia	Clams	United States
939.	Narrowleaf Stenogyne	Stenogyne angustifolia var. angustifolia	Plants	Hawaii
940.	Nashville Crayfish	Orconectes shoupi	Crustaceans	Tennessee
941.	Nassau Grouper	Epinephelus striatus	Fishes	Central and South America, United States (Florida, Minor Outlying Islands)
942.	Navasota Ladies'-tresses	Spiranthes parksii	Plants	Texas
943.	Nectandra krugii	Nectandra krugii	Plants	Antigua, Barbuda, Dominican Republic, Netherlands Antilles, Puerto Rico, West Indies
944.	Nehe	Lipochaeta fauriei	Plants	Hawaii
945.	Nehe	Lipochaeta kamolensis	Plants	Hawaii
946.	Nehe	Lipochaeta lobata var. leptophylla	Plants	Hawaii
947.	Nehe	Lipochaeta micrantha	Plants	Hawaii
948.	Nehe	Lipochaeta tenuifolia	Plants	Hawaii
949.	Nehe	Lipochaeta waimeaensis	Plants	Hawaii
950.	Nelson's Antelope Squirrel	Ammospermophilus nelsoni	Mammals	California
951.	Neoplanorbis tantillus	Neoplanorbis tantillus	Snails	Alabama
952.	Neosho Mucket	Lampsilis rafinesqueana	Clams	Arkansas, Kansas, Missouri, Oklahoma
953.	Nesogenes rotensis	Nesogenes rotensis	Plants	Northern Mariana Islands
954.	Nevada Pupfish	Cyprinodon nevadensis	Fishes	Nevada
955.	Nevin's Barberry	Berberis nevinii	Plants	California
956.	Newcomb's Tree Snail	Newcombia canaliculata	Snails	Hawaii
957.	Newcomb's Tree Snail	Newcombia cumingi	Snails	Hawaii
958.	Newcomb's Tree Snail	Newcombia lirata	Snails	Hawaii
959.	Newcomb's Tree Snail	Newcombia perkinsi	Snails	Hawaii
960.	Newcomb's Tree Snail	Newcombia pfeifferi	Snails	Hawaii
961.	Newcomb's Tree Snail	Newcombia sulcata	Snails	Hawaii
962.	Newell's Shearwater	Puffinus newelli	Birds	Hawaii
963.	Nichol's Turk's Head Cactus	Echinocactus horizonthalonius var. nicholii	Plants	Arizona
964.	Nightingale Reed Warbler	Acrocephalus luscinia	Birds	West Pacific Ocean (USA - Guam, Alamagan, Saipan)
965.	Nihoa Finch	Telespiza ultima	Birds	Hawaii
966.	Nihoa Millerbird	Acrocephalus familiaris	Birds	Hawaii
967.	Nipomo Mesa Lupine	Lupinus nipomensis	Plants	California
968.	Noel's Amphipod	Gammarus desperatus	Crustaceans	New Mexico
969.	North Park Phacelia	Phacelia formosula	Plants	Colorado
970.	Northeastern Bulrush	Scirpus ancistrochaetus	Plants	Maryland, Massachusetts, New Hampshire, New York, Pennsylvania, Vermont, Virginia, West Virginia
971.	Northern Abalone	Haliotis kamtschatkana	Snails	Alaska, California, Canada (British Columbia), Oregon, Washington
972.	Northern Aplomado Falcon	Falco femoralis septentrionalis	Birds	Arizona, Guatemala, Mexico, New Mexico, Texas
973.	Northern Cavefish	Amblyopsis spelaea	Fishes	Indiana, Kentucky
974.	Northern Flying Squirrel	Glaucomys sabrinus	Mammals	North Carolina, Tennessee, Virginia, West Virginia
975.	Nueces Crayfish	Procambarus nueces	Crustaceans	Texas
976.	Nukupu'u	Hemignathus lucidus	Birds	Hawaii
977.	O'ahu 'Elepaio	Chasiempis sandwichensis ibidis	Birds	Hawaii
978.	O'ahu Creeper	Paroreomyza maculata	Birds	Hawaii
979.	O'ahu Tree Snail	Achatinella abbreviata	Snails	Hawaii
980.	O'ahu Tree Snail	Achatinella apexfulva	Snails	Hawaii
981.	O'ahu Tree Snail	Achatinella bellula	Snails	Hawaii
982.	O'ahu Tree Snail	Achatinella buddii	Snails	Hawaii
983.	O'ahu Tree Snail	Achatinella bulimoides	Snails	Hawaii
984.	O'ahu Tree Snail	Achatinella byronii	Snails	Hawaii
985.	O'ahu Tree Snail	Achatinella caesia	Snails	Hawaii
986.	O'ahu Tree Snail	Achatinella casta	Snails	Hawaii
987.	O'ahu Tree Snail	Achatinella cestus	Snails	Hawaii
988.	O'ahu Tree Snail	Achatinella concavospira	Snails	Hawaii
989.	O'ahu Tree Snail	Achatinella curta	Snails	Hawaii
990.	O'ahu Tree Snail	Achatinella decipiens	Snails	Hawaii
991.	O'ahu Tree Snail	Achatinella decora	Snails	Hawaii
992.	O'ahu Tree Snail	Achatinella dimorpha	Snails	Hawaii
993.	O'ahu Tree Snail	Achatinella elegans	Snails	Hawaii
994.	O'ahu Tree Snail	Achatinella fulgens	Snails	Hawaii
995.	O'ahu Tree Snail	Achatinella fuscobasis	Snails	Hawaii
996.	O'ahu Tree Snail	Achatinella juddii	Snails	Hawaii
997.	O'ahu Tree Snail	Achatinella juncea	Snails	Hawaii
998.	O'ahu Tree Snail	Achatinella lehuiensis	Snails	Hawaii
999.	O'ahu Tree Snail	Achatinella leucorraphe	Snails	Hawaii
1000.	O'ahu Tree Snail	Achatinella lila	Snails	Hawaii
1001.	O'ahu Tree Snail	Achatinella livida	Snails	Hawaii
1002.	O'ahu Tree Snail	Achatinella lorata	Snails	Hawaii
1003.	O'ahu Tree Snail	Achatinella mustelina	Snails	Hawaii
1004.	O'ahu Tree Snail	Achatinella papyracea	Snails	Hawaii
1005.	O'ahu Tree Snail	Achatinella phaeozona	Snails	Hawaii
1006.	O'ahu Tree Snail	Achatinella pulcherrima	Snails	Hawaii
1007.	O'ahu Tree Snail	Achatinella pupukanioe	Snails	Hawaii
1008.	O'ahu Tree Snail	Achatinella rosea	Snails	Hawaii
1009.	O'ahu Tree Snail	Achatinella sowerbyana	Snails	Hawaii
1010.	O'ahu Tree Snail	Achatinella spaldingi	Snails	Hawaii
1011.	O'ahu Tree Snail	Achatinella stewartii	Snails	Hawaii
1012.	O'ahu Tree Snail	Achatinella swiftii	Snails	Hawaii
1013.	O'ahu Tree Snail	Achatinella taeniolata	Snails	Hawaii
1014.	O'ahu Tree Snail	Achatinella thaanumi	Snails	Hawaii
1015.	O'ahu Tree Snail	Achatinella turgida	Snails	Hawaii
1016.	O'ahu Tree Snail	Achatinella valida	Snails	Hawaii
1017.	O'ahu Tree Snail	Achatinella viridans	Snails	Hawaii
1018.	O'ahu Tree Snail	Achatinella vittata	Snails	Hawaii
1019.	O'ahu Tree Snail	Achatinella vulpina	Snails	Hawaii
1020.	O'u	Psittirostra psittacea	Birds	Hawaii
1021.	Oahu Clermontia	Clermontia oblongifolia	Plants	Hawaii
1022.	Oahu Deceptor Bush Cricket	Leptogryllus deceptor	Insects	Hawaii
1023.	Oahu Sandmat	Chamaesyce deppeana	Plants	Hawaii
1024.	Oahu Stenogyne	Stenogyne kanehoana	Plants	Hawaii
1025.	Ocelot	Leopardus pardalis	Mammals	USA (Arizona, Texas) to Central and South America
1026.	Ochlockonee Moccasinshell	Medionidus simpsonianus	Clams	Florida, Georgia
1027.	Ochrosia haleakalae	Ochrosia haleakalae	Plants	Hawaii
1028.	Ochrosia kauaiensis	Ochrosia kauaiensis	Plants	Hawaii
1029.	Ochrosia kilaueaensis	Ochrosia kilaueaensis	Plants	Hawaii
1030.	Ocmulgee Marstonia	Pyrgulopsis agarhecta	Snails	Georgia
1031.	Oconee Burrowing Crayfish	Cambarus truncatus	Crustaceans	United States
1032.	Octopus Coral	Galaxea astreata	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1033.	Octopus Coral	Galaxea fascicularis	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1034.	Oha	Delissea rivularis	Plants	Hawaii
1035.	Ohai	Sesbania tomentosa	Plants	Hawaii
1036.	Ohe'ohe	Tetraplasandra gymnocarpa	Plants	Hawaii
1037.	Ohlone Tiger Beetle	Cicindela ohlone	Insects	California
1038.	Okaloosa Darter	Etheostoma okaloosae	Fishes	Florida
1039.	Okeechobee Gourd	Cucurbita okeechobeensis ssp. okeechobeensis	Plants	Florida
1040.	Oklahoma Cave Amphipod	Allocrangonyx pellucidus	Crustaceans	Oklahoma
1041.	Oklahoma Cave Crayfish	Cambarus tartarus	Crustaceans	Oklahoma
1042.	Oklahoma Salamander	Eurycea tynerensis	Amphibians	Arkansas, Missouri, Oklahoma
1043.	Olive Ridley Sea Turtle	Lepidochelys olivacea	Reptiles	Circumglobal in tropical and temperate seas, Mexico (nesting populations)
1044.	Olive-sided Flycatcher	Contopus cooperi	Birds	Central and South America, North America (including United States)
1045.	Oloma'o	Myadestes lanaiensis	Birds	Hawaii
1046.	One-finned Shark	Heptranchias perlo	Fishes	Africa, Asia, Australia, Europe, Middle East, North America (including United States), South America
1047.	One-toed Amphiuma	Amphiuma pholeter	Amphibians	Alabama, Florida, Georgia
1048.	Opaque Pebblesnail	Somatogyrus tennesseensis	Snails	Alabama, Tennessee
1049.	Opuhe	Urera kaalae	Plants	Hawaii
1050.	Orange Lake Cave Crayfish	Procambarus franzi	Crustaceans	Florida
1051.	Orangefoot Pimpleback Pearlymussel	Plethobasus cooperianus	Clams	Alabama, Illinois, Indiana, Iowa, Kentucky, Ohio, Pennsylvania, Tennessee
1052.	Orcutt's Spineflower	Chorizanthe orcuttiana	Plants	California
1053.	Oregon Checker-mallow	Sidalcea oregana	Plants	California
1054.	Oregon Chub	Oregonichthys crameri	Fishes	Oregon
1055.	Orlando Cave Crayfish	Procambarus acherontis	Crustaceans	Florida
1056.	Osmoxylon mariannense	Osmoxylon mariannense	Plants	Northern Mariana Islands
1057.	Osterhout Milk-vetch	Astragalus osterhoutii	Plants	Colorado
1058.	Otay Mesa-mint	Pogogyne nudiuscula	Plants	California, Mexico (Baja California)
1059.	Ouachita Burrowing Crayfish	Fallicambarus harpi	Crustaceans	Arkansas
1060.	Ouachita Mountain Shiner	Lythrurus snelsoni	Fishes	Arkansas, Oklahoma
1061.	Ouachita Rock Pocketbook	Arkansia wheeleri	Clams	Arkansas, Oklahoma
1062.	Oval Pigtoe	Pleurobema pyriforme	Clams	Alabama, Florida, Georgia
1063.	Ovate Clubshell	Pleurobema perovatum	Clams	Alabama, Georgia, Mississippi, Tennessee
1064.	Ovate Pebblesnail	Somatogyrus excavatus	Snails	Alabama
1065.	Owens Pupfish	Cyprinodon radiosus	Fishes	California
1066.	Owens Tui Chub	Gila bicolor snyderi	Fishes	California
1067.	Oyster Mussel	Epioblasma capsaeformis	Clams	Georgia, Kentucky, North Carolina, Tennessee, Virginia
1068.	Ozark Cavefish	Amblyopsis rosae	Fishes	Arkansas, Kansas, Missouri, Oklahoma
1069.	Ozobryum ogalalense	Ozobryum ogalalense	Plants	Kansas
1070.	Pacific Pocket Mouse	Perognathus longimembris pacificus	Mammals	California
1071.	Pacific Pond Turtle	Actinemys marmorata	Reptiles	California, Mexico, Oregon, Washington
1072.	Pacific Sheath-tailed Bat	Emballonura semicaudata	Mammals	American Samoa, Federated States of Micronesia, Fiji, Northern Mariana Islands, Palau, Samoa, Tonga
1073.	Pahranagat Roundtail Chub	Gila robusta jordani	Fishes	Nevada
1074.	Pahrump Poolfish	Empetrichthys latos	Fishes	Nevada
1075.	Painted Clubshell	Pleurobema chattanoogaense	Clams	Alabama, Georgia, Tennessee
1076.	Pale Lilliput Pearlymussel	Toxolasma cylindrellus	Clams	Alabama, Tennessee
1077.	Palezone Shiner	Notropis albizonatus	Fishes	Alabama, Kentucky, Tennessee
1078.	Palila	Loxioides bailleui	Birds	Hawaii
1079.	Pallid Sturgeon	Scaphirhynchus albus	Fishes	Arkansas, Illinois, Iowa, Kansas, Kentucky, Louisiana, Mississippi, Missouri, Montana, Nebraska, North Dakota, South Dakota, Tennessee
1080.	Palmate-bracted Bird's-beak	Cordylanthus palmatus	Plants	California
1081.	Palmer's Chipmunk	Tamias palmeri	Mammals	Nevada
1082.	Palo de jazmin	Styrax portoricensis	Plants	Puerto Rico
1083.	Palo de nigua	Cornutia obovata	Plants	Puerto Rico
1084.	Palo de rosa	Ottoschulzia rhodoxylon	Plants	Dominican Republic, Puerto Rico
1085.	Palos Verdes Blue Butterfly	Glaucopsyche lygdamus palosverdesensis	Insects	California
1086.	Pamakani (Asteraceae)	Tetramolopium capillare	Plants	Hawaii
1087.	Panama City Crayfish	Procambarus econfinae	Crustaceans	Florida
1088.	Panhandle Pebblesnail	Somatogyrus virginicus	Snails	North Carolina, Virginia
1089.	Panicum fauriei var. carteri	Panicum fauriei var. carteri	Plants	Hawaii
1090.	Panicum niihauense	Panicum niihauense	Plants	Hawaii
1091.	Parkhill Prairie Crayfish	Procambarus steigmani	Crustaceans	Texas
1092.	Partula Snail	Partula emersoni	Snails	Federated States of Micronesia
1093.	Partula Snail	Partula gibba	Snails	Guam, Northern Mariana Islands
1094.	Partula Snail	Partula guamensis	Snails	Federated States of Micronesia
1095.	Partula Snail	Partula langfordi	Snails	Northern Mariana Islands
1096.	Partula Snail	Partula martensiana	Snails	Federated States of Micronesia
1097.	Partula Snail	Partula radiolata	Snails	Guam
1098.	Partulina confusa	Partulina confusa	Snails	Hawaii
1099.	Partulina dubia	Partulina dubia	Snails	Hawaii
1100.	Partulina mighelsiana	Partulina mighelsiana	Snails	Hawaii
1101.	Partulina perdix	Partulina perdix	Snails	Hawaii
1102.	Partulina physa	Partulina physa	Snails	Hawaii
1103.	Partulina proxima	Partulina proxima	Snails	Hawaii
1104.	Partulina redfieldi	Partulina redfieldi	Snails	Hawaii
1105.	Partulina semicarinata	Partulina semicarinata	Snails	Hawaii
1106.	Partulina splendida	Partulina splendida	Snails	Hawaii
1107.	Partulina tappaniana	Partulina tappaniana	Snails	Hawaii
1108.	Partulina tessellata	Partulina tessellata	Snails	Hawaii
1109.	Partulina variabilis	Partulina variabilis	Snails	Hawaii
1110.	Pauoa	Ctenitis squamigera	Plants	Hawaii
1111.	Peck's Cave Amphipod	Stygobromus pecki	Crustaceans	Texas
1112.	Pecos Assiminea Snail	Assiminea pecos	Snails	Mexico, New Mexico, Texas
1113.	Pecos Gambusia	Gambusia nobilis	Fishes	New Mexico, Texas
1114.	Pecos River Pupfish	Cyprinodon pecosensis	Fishes	New Mexico, Texas
1115.	Pedate Checker-mallow	Sidalcea pedata	Plants	California
1116.	Peebles Navajo Cactus	Pediocactus peeblesianus peeblesianus	Plants	Arizona
1117.	Pele Clermontia	Clermontia peleana	Plants	Hawaii
1118.	Pelekunu Trail Yellow Loosestrife	Lysimachia maxima	Plants	Hawaii
1119.	Pelos del diablo	Aristida portoricensis	Plants	Puerto Rico
1120.	Pendant Kihi Fern	Adenophorus periens	Plants	Hawaii
1121.	Penland Beardtongue	Penstemon penlandii	Plants	Colorado
1122.	Pennell's Bird's-beak	Cordylanthus tenuis ssp. capillaris	Plants	California
1123.	Pennsylvania Cave Amphipod	Crangonyx dearolfi	Crustaceans	Maryland, Pennsylvania
1124.	Perdicella helena	Perdicella helena	Snails	Hawaii
1125.	Persistent Trillium	Trillium persistens	Plants	Georgia, South Carolina
1126.	Peter's Mountain Mallow	Iliamna corei	Plants	Virginia
1127.	Phantom Cave Snail	Cochliopa texana	Snails	Texas
1128.	Phyllostegia glabra var. lanaiensis	Phyllostegia glabra var. lanaiensis	Plants	Hawaii
1129.	Phyllostegia hirsuta	Phyllostegia hirsuta	Plants	Hawaii
1130.	Phyllostegia kaalaensis	Phyllostegia kaalaensis	Plants	Hawaii
1131.	Phyllostegia knudsenii	Phyllostegia knudsenii	Plants	Hawaii
1132.	Phyllostegia mannii	Phyllostegia mannii	Plants	Hawaii
1133.	Phyllostegia mollis	Phyllostegia mollis	Plants	Hawaii
1134.	Phyllostegia parviflora	Phyllostegia parviflora	Plants	Hawaii
1135.	Phyllostegia racemosa	Phyllostegia racemosa	Plants	Hawaii
1136.	Phyllostegia velutina	Phyllostegia velutina	Plants	Hawaii
1137.	Phyllostegia waimeae	Phyllostegia waimeae	Plants	Hawaii
1138.	Phyllostegia warshaueri	Phyllostegia warshaueri	Plants	Hawaii
1139.	Phyllostegia wawrana	Phyllostegia wawrana	Plants	Hawaii
1140.	Piedmont Blue Burrower	Cambarus harti	Crustaceans	Georgia
1141.	Pilo	Hedyotis mannii	Plants	Hawaii
1142.	Pilosocereus robinii	Pilosocereus robinii	Plants	Cuba, Florida
1143.	Pine Barrens Treefrog	Hyla andersonii	Amphibians	Alabama, Florida, New Jersey, North Carolina, South Carolina
1144.	Pine Hill Ceanothus	Ceanothus roderickii	Plants	California
1145.	Pine Hill Flannelbush	Fremontodendron californicum ssp. decumbens	Plants	California
1146.	Pink Mucket Pearlymussel	Lampsilis abrupta	Clams	Alabama, Arkansas, Illinois, Indiana, Kentucky, Louisiana, Missouri, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia
1147.	Pink Ring Mussel	Obovaria retusa	Clams	Alabama, Illinois, Indiana, Kentucky, Ohio, Pennsylvania, Tennessee, West Virginia
1148.	Piping Plover	Charadrius melodus	Birds	Canada, USA - Great Lakes Watershed
1149.	Pismo Clarkia	Clarkia speciosa ssp. immaculata	Plants	California
1150.	Pisonia wagneriana	Pisonia wagneriana	Plants	Hawaii
1151.	Pitkin Marsh Lily	Lilium pardalinum ssp. pitkinense	Plants	California
1152.	Plicate Rocksnail	Leptoxis plicata	Snails	Alabama
1153.	Plymouth Red-bellied Turtle	Pseudemys rubriventris bangsi	Reptiles	Massachusetts
1154.	Po'ouli	Melamprosops phaeosoma	Birds	Hawaii
1155.	Point Arena Mountain Beaver	Aplodontia rufa nigra	Mammals	California
1156.	Pomace Fly	Drosophila aglaia	Insects	Hawaii
1157.	Pomace Fly	Drosophila differens	Insects	Hawaii
1158.	Pomace Fly	Drosophila hemipeza	Insects	Hawaii
1159.	Pomace Fly	Drosophila heteroneura	Insects	Hawaii
1160.	Pomace Fly	Drosophila montgomeryi	Insects	Hawaii
1161.	Pomace Fly	Drosophila musaphila	Insects	Hawaii
1162.	Pomace Fly	Drosophila neoclavisetae	Insects	Hawaii
1163.	Pomace Fly	Drosophila obatai	Insects	Hawaii
1164.	Pomace Fly	Drosophila ochrobasis	Insects	Hawaii
1165.	Pomace Fly	Drosophila substenoptera	Insects	Hawaii
1166.	Pomace Fly	Drosophila tarphytrichia	Insects	Hawaii
1167.	Pondberry	Lindera melissifolia	Plants	Alabama, Arkansas, Florida, Georgia, Louisiana, Mississippi, Missouri, North Carolina, South Carolina
1168.	Port Conception Jerusalem Cricket	Ammopelmatus muwu	Insects	California
1169.	Portuguese Dogfish	Centroscymnus coelolepis	Fishes	Africa, Asia, Australia, Europe, North America (United States Territory)
1170.	Portulaca sclerocarpa	Portulaca sclerocarpa	Plants	Hawaii
1171.	Pouteria Tree	Pouteria hotteana	Plants	Haiti, Puerto Rico
1172.	Prairie Sphinx Moth	Euproserpinus wiesti	Insects	United States
1173.	Presidio Clarkia	Clarkia franciscana	Plants	California
1174.	Presidio Manzanita	Arctostaphylos hookeri var. ravenii	Plants	California
1175.	Pribilof Island Shrew	Sorex pribilofensis	Mammals	Alaska
1176.	Prickly Pear	Opuntia treleasei	Plants	California
1177.	Prickly Shark	Echinorhinus cookei	Fishes	Australia, California, China, Hawaii, New Zealand, Palau, Peru, Taiwan
1178.	Pronghorn	Antilocapra americana	Mammals	Arizona, Mexico
1179.	Prunus geniculata	Prunus geniculata	Plants	Florida
1180.	Psidium sintenisii	Psidium sintenisii	Plants	Puerto Rico
1181.	Psychotria grandiflora	Psychotria grandiflora	Plants	Hawaii
1182.	Psychotria hobdyi	Psychotria hobdyi	Plants	Hawaii
1183.	Pteris lidgatei	Pteris lidgatei	Plants	Hawaii
1184.	Pua'ala	Brighamia rockii	Plants	Hawaii
1185.	Puerto Rican Boa	Epicrates inornatus	Reptiles	Puerto Rico
1186.	Puerto Rican Broad-winged Hawk	Buteo platypterus brunnescens	Birds	Puerto Rico
1187.	Puerto Rican Crested Toad	Peltophryne lemur	Amphibians	British Virgin Islands, Puerto Rico
1188.	Puerto Rican Nightjar	Caprimulgus noctitherus	Birds	Puerto Rico
1189.	Puerto Rican Parrot	Amazona vittata	Birds	Puerto Rico
1190.	Puerto Rican Plain Pigeon	Columba inornata wetmorei	Birds	Puerto Rico
1191.	Puerto Rican Robber Frog	Eleutherodactylus portoricensis	Amphibians	Puerto Rico
1192.	Puerto Rican Sharp-shinned Hawk	Accipiter striatus venator	Birds	Puerto Rico
1193.	Puerto Rican Wetland Frog	Eleutherodactylus juanariveroi	Amphibians	Puerto Rico
1194.	Puerto Rico Helmet Orchid	Cranichis ricartii	Plants	Puerto Rico
1195.	Puerto Rico Raintree	Brunfelsia portoricensis	Plants	Puerto Rico
1196.	Pukoo Coral	Porites pukoensis	Corals, Jellyfish, and Sea Anemones	Hawaii
1197.	Puritan Tiger Beetle	Cicindela puritana	Insects	Connecticut, Maryland, Massachusetts, New Hampshire, Vermont
1198.	Purple Bankclimber	Elliptoideus sloatianus	Clams	Alabama, Florida, Georgia
1199.	Purple Bean	Villosa perpurpurea	Clams	Tennessee, Virginia
1200.	Purple Rice Coral	Montipora dilatata	Corals, Jellyfish, and Sea Anemones	Hawaii
1201.	Purple Skimmer	Libellula jesseana	Insects	Florida
1202.	Purpleflower Blacksnakeroot	Sanicula purpurea	Plants	Hawaii
1203.	Putnam County Cave Crayfish	Procambarus morrisi	Crustaceans	Florida
1204.	Pygmy Madtom	Noturus stanauli	Fishes	Tennessee
1205.	Pygmy Pebblesnail	Somatogyrus pygmaeus	Snails	Alabama
1206.	Pygmy Rabbit	Brachylagus idahoensis	Mammals	USA - Columbia Basin DPS
1207.	Pygmy Sculpin	Cottus paulus	Fishes	Alabama
1208.	Quadrate Pebblesnail	Somatogyrus quadratus	Snails	Alabama
1209.	Quercus acerifolia	Quercus acerifolia	Plants	Arkansas
1210.	Quercus basaseachicensis	Quercus basaseachicensis	Plants	Arkansas
1211.	Quercus boyntonii	Quercus boyntonii	Plants	Alabama, Texas
1212.	Quercus dumosa	Quercus dumosa	Plants	California, Mexico
1213.	Quercus georgiana	Quercus georgiana	Plants	Alabama, Georgia, South Carolina
1214.	Quercus graciliformis	Quercus graciliformis	Plants	Texas
1215.	Quercus hinckleyi	Quercus hinckleyi	Plants	Texas
1216.	Quercus oglethorpensis	Quercus oglethorpensis	Plants	Georgia, Mississippi, South Carolina
1217.	Quercus tardifolia	Quercus tardifolia	Plants	Texas
1218.	Quillwort	Isoetes louisianensis	Plants	Louisiana, Mississippi
1219.	Quillwort	Isoetes melanospora	Plants	Georgia, South Carolina
1220.	Quillwort	Isoetes tegetiformans	Plants	Georgia
1221.	Quino Checkerspot Butterfly	Euphydryas editha quino	Insects	California, Mexico
1222.	Radiator Plant	Peperomia wheeleri	Plants	Puerto Rico
1223.	Ramsey Canyon Leopard Frog	Lithobates subaquavocalis	Amphibians	Arizona
1224.	Razorback Sucker	Xyrauchen texanus	Fishes	Arizona, California, Colorado, Mexico, Nevada, New Mexico, Utah, Wyoming
1225.	Red Hills Salamander	Phaeognathus hubrichti	Amphibians	Alabama
1226.	Red Porgy	Pagrus pagrus	Fishes	Asia, Central and South America, Europe, Africa, and the Middle East, Mexico, United States
1227.	Red Tree Vole	Arborimus longicaudus	Mammals	California, Oregon
1228.	Red Wolf	Canis rufus	Mammals	USA (SE US, west to central Texas)
1229.	Red-black Crayfish	Cambarus pyronotus	Crustaceans	Florida
1230.	Red-cockaded Woodpecker	Picoides borealis	Birds	USA (southcentral and southeastern)
1231.	Red-crowned Parrot	Amazona viridigenalis	Birds	Mexico, Puerto Rico, US (TX, FL, CA)
1232.	Redfish	Sebastes fasciatus	Fishes	Canada, Greenland, Iceland, United States
1233.	Reedgrass	Calamagrostis hillebrandii	Plants	Hawaii
1234.	Relict Dace	Relictus solitarius	Fishes	Nevada
1235.	Relict Darter	Etheostoma chienense	Fishes	Kentucky
1236.	Relict Leopard Frog	Lithobates onca	Amphibians	Arizona, Nevada, Utah
1237.	Relict Trillium	Trillium reliquum	Plants	Alabama, Georgia, South Carolina
1238.	Remy's Sandmat	Chamaesyce remyi	Plants	Hawaii
1239.	Reticulated Flatwoods Salamander	Ambystoma bishopi	Amphibians	Alabama, Florida, Georgia
1240.	Rhododendron chapmanii	Rhododendron chapmanii	Plants	Florida
1241.	Richmond's Robber Frog	Eleutherodactylus richmondi	Amphibians	Puerto Rico
1242.	Ridgway's Hawk	Buteo ridgwayi	Birds	Dominican Republic, Puerto Rico
1243.	Right Whale	Balaena japonica	Mammals	Canada (British Columbia), China, Japan, Korea, Mexico (Baja California), Russia, Taiwan, United States and Hawaii
1244.	Rim Rock Crowned Snake	Tantilla oolitica	Reptiles	Florida
1245.	Ringed Sawback	Graptemys oculifera	Reptiles	Louisiana, Mississippi
1246.	Rio Grande Monkeyface	Quadrula couchiana	Clams	New Mexico, Texas
1247.	Rio Grande Silvery Minnow	Hybognathus amarus	Fishes	Mexico, New Mexico, Texas
1248.	Riparian Brush Rabbit	Sylvilagus bachmani riparius	Mammals	California
1249.	Riparian Woodrat	Neotoma fuscipes riparia	Mammals	California
1250.	Roan Mountain Bluet	Hedyotis purpurea var. montana	Plants	North Carolina, Tennessee
1251.	Roanoke Bass	Ambloplites cavifrons	Fishes	North Carolina, Virginia
1252.	Roanoke Logperch	Percina rex	Fishes	Virginia
1253.	Robber Baron Cave Meshweaver	Cicurina baronia	Arachnids	Texas
1254.	Robust Cottontail	Sylvilagus robustus	Mammals	New Mexico, Texas
1255.	Robust Spineflower	Chorizanthe robusta	Plants	California
1256.	Rock Gnome Lichen	Gymnoderma lineare	Plants	North Carolina, Tennessee
1257.	Rockface Starviolet	Hedyotis parvula	Plants	Hawaii
1258.	Rocky Mountain Capshell	Acroloxus coloradensis	Snails	Canada, United States
1259.	Rolling Pebblesnail	Somatogyrus strengi	Snails	Alabama
1260.	Roseate Tern	Sterna dougallii dougallii	Birds	Northeastern USA
1261.	Roswell Springsnail	Pyrgulopsis roswellensis	Snails	New Mexico
1262.	Rota Bridled White-eye	Zosterops rotensis	Birds	Northern Mariana Islands
1263.	Rough Pigtoe	Pleurobema plenum	Clams	Alabama, Indiana, Kentucky, Pennsylvania, Tennessee, Virginia
1264.	Rough Popcornflower	Plagiobothrys hirtus	Plants	Oregon
1265.	Rough Rabbitsfoot	Quadrula cylindrica strigillata	Clams	Tennessee, Virginia
1266.	Rough Rockshell	Quadrula tuberosa	Clams	Kentucky, Tennessee
1267.	Rough-leaved Loosestrife	Lysimachia asperulaefolia	Plants	Hawaii
1268.	Round Ebonyshell	Obovaria rotulata	Clams	Alabama, Florida
1269.	Round Rocksnail	Elimia ampla	Snails	Alabama
1270.	Round-leaved Chaff-flower	Achyranthes splendens var. rotundata	Plants	Hawaii
1271.	Royal Marstonia Snail	Pyrgulopsis ogmorhaphe	Snails	Tennessee
1272.	Rugel's Pawpaw	Deeringothamnus rugelii	Plants	Florida
1273.	Running Buffalo Clover	Trifolium stoloniferum	Plants	Arkansas, Illinois, Indiana, Kansas, Kentucky, Missouri, Ohio, West Virginia
1274.	Ruth's Golden Aster	Pityopsis ruthii	Plants	Tennessee
1275.	Rye Cove Cave Isopod	Lirceus culveri	Crustaceans	Virginia
1276.	Sacramento Anthicid Beetle	Anthicus sacramento	Insects	United States
1277.	Sacramento Orcutt Grass	Orcuttia viscida	Plants	California
1278.	Sacramento Prickly Poppy	Argemone pleiacantha ssp. pinnatisecta	Plants	New Mexico
1279.	Sacramento Splittail	Pogonichthys macrolepidotus	Fishes	California
1280.	Salina Mucket	Potamilus metnecktayi	Clams	Texas
1281.	Salt Creek Tiger Beetle	Cicindela nevadica lincolniana	Insects	Nebraska
1282.	Salt Marsh Bird's-beak	Cordylanthus maritimus ssp. maritimus	Plants	California, Mexico (Baja California)
1283.	Salt Marsh Harvest Mouse	Reithrodontomys raviventris	Mammals	California
1284.	Saltmarsh Sharp-tailed Sparrow	Ammodramus caudacutus	Birds	Canada, United States
1285.	Samoan Tree Snail	Samoana abbreviata	Snails	American Samoa
1286.	Samoan Tree Snail	Samoana conica	Snails	American Samoa
1287.	Samoan Tree Snail	Samoana fragilis	Snails	Guam
1288.	Samoan Tree Snail	Samoana thurstoni	Snails	American Samoa
1289.	San Bernardino Bluegrass	Poa atropurpurea	Plants	California
1290.	San Bernardino Merriam's Kangaroo Rat	Dipodomys merriami parvus	Mammals	California
1291.	San Bernardino Mountains Bladderpod	Lesquerella kingii ssp. bernardina	Plants	California
1292.	San Bruno Elfin Butterfly	Callophrys mossii bayensis	Insects	California
1293.	San Clemente Island Broom	Lotus dendroideus ssp. traskiae	Plants	California
1294.	San Clemente Island Bush-mallow	Malacothamnus clementinus	Plants	California
1295.	San Clemente Island Indian Paintbrush	Castilleja grisea	Plants	California
1296.	San Clemente Island Larkspur	Delphinium variegatum ssp. kinkiense	Plants	California
1297.	San Clemente Island Woodland-star	Lithophragma maximum	Plants	California
1298.	San Clemente Loggerhead Shrike	Lanius ludovicianus mearnsi	Birds	California
1299.	San Diego Ambrosia	Ambrosia pumila	Plants	California, Mexico
1300.	San Diego Button-celery	Eryngium aristulatum var. parishii	Plants	California
1301.	San Diego Fairy Shrimp	Branchinecta sandiegonensis	Crustaceans	California
1302.	San Diego Mesa-mint	Pogogyne abramsii	Plants	California
1303.	San Francisco Garter Snake	Thamnophis sirtalis tetrataenia	Reptiles	California
1304.	San Francisco Lessingia	Lessingia germanorum	Plants	California
1305.	San Gabriel Springs Salamander	Eurycea naufragia	Amphibians	Texas
1306.	San Jacinto Valley Crownscale	Atriplex coronata var. notatior	Plants	California
1307.	San Joaquin Kit Fox	Vulpes macrotis mutica	Mammals	California
1308.	San Joaquin Wooly-threads	Monolopia congdonii	Plants	California
1309.	San Marcos Gambusia	Gambusia georgei	Fishes	Texas
1310.	San Mateo Thornmint	Acanthomintha obovata ssp. duttonii	Plants	California
1311.	San Mateo Woolly Sunflower	Eriophyllum latilobum	Plants	California
1312.	San Rafael Cactus	Pediocactus despainii	Plants	Utah
1313.	Sandhill Crane	Grus canadensis	Birds	Mississippi, West Indies (Cuba)
1314.	Sandhills Crayfish	Procambarus angustatus	Crustaceans	Georgia
1315.	Sandlace	Polygonella myriophylla	Plants	Florida
1316.	Sandplain Gerardia	Agalinis acuta	Plants	Connecticut, Maryland, Massachusetts, New York, Rhode Island
1317.	Sandwort	Arenaria cumberlandensis	Plants	Kentucky, Tennessee
1318.	Sandwort	Arenaria paludicola	Plants	California
1319.	Santa Ana River Woolly-star	Eriastrum densifolium ssp. sanctorum	Plants	California
1320.	Santa Barbara Island Liveforever	Dudleya traskiae	Plants	California
1321.	Santa Clara Valley Dudleya	Dudleya setchellii	Plants	California
1322.	Santa Cruz Cypress	Cupressus abramsiana	Plants	California
1323.	Santa Cruz Island Bush-mallow	Malacothamnus fasciculatus var. nesioticus	Plants	California
1324.	Santa Cruz Island Fringepod	Thysanocarpus conchuliferus	Plants	California
1325.	Santa Cruz Island Malacothrix	Malacothrix indecora	Plants	California
1326.	Santa Cruz Island Rock-cress	Sibara filifolia	Plants	California
1327.	Santa Cruz Long-toed Salamander	Ambystoma macrodactylum croceum	Amphibians	California
1328.	Santa Fe Cave Crayfish	Procambarus erythrops	Crustaceans	Florida
1329.	Santa Monica Mountains Grasshopper	Trimerotropis occidentaloides	Insects	California
1330.	Santa Monica Shieldback Katydid	Aglaothorax longipennis	Insects	United States
1331.	Santa Rosa Island Manzanita	Arctostaphylos confertiflora	Plants	California
1332.	Scaleshell Mussel	Leptodea leptodon	Clams	Alabama, Arkansas, Illinois, Indiana, Iowa, Kentucky, Minnesota, Missouri, Ohio, Oklahoma, South Dakota, Tennessee, Wisconsin
1333.	Scarlet Bluet	Enallagma pictum	Insects	Connecticut, Maine, Massachusetts, New Jersey, New York, Rhode Island
1334.	Schaus Swallowtail	Heraclides aristodemus ponceanus	Insects	Florida
1335.	Schiedea adamantis	Schiedea adamantis	Plants	Hawaii
1336.	Schiedea apokremnos	Schiedea apokremnos	Plants	Hawaii
1337.	Schiedea haleakalensis	Schiedea haleakalensis	Plants	Hawaii
1338.	Schiedea helleri	Schiedea helleri	Plants	Hawaii
1339.	Schiedea hookeri	Schiedea hookeri	Plants	Hawaii
1340.	Schiedea kaalae	Schiedea kaalae	Plants	Hawaii
1341.	Schiedea kauaiensis	Schiedea kauaiensis	Plants	Hawaii
1342.	Schiedea kealiae	Schiedea kealiae	Plants	Hawaii
1343.	Schiedea lydgatei	Schiedea lydgatei	Plants	Hawaii
1344.	Schiedea membranacea	Schiedea membranacea	Plants	Hawaii
1345.	Schiedea nuttallii	Schiedea nuttallii	Plants	Hawaii
1346.	Schiedea sarmentosa	Schiedea sarmentosa	Plants	Hawaii
1347.	Schiedea spergulina var. leiopoda	Schiedea spergulina var. leiopoda	Plants	Hawaii
1348.	Schiedea stellarioides	Schiedea stellarioides	Plants	Hawaii
1349.	Schiedea verticillata	Schiedea verticillata	Plants	Hawaii
1350.	Schwartz's Robber Frog	Eleutherodactylus schwartzi	Amphibians	Virgin Islands (British and US)
1351.	Schweinitz's Sunflower	Helianthus schweinitzii	Plants	North Carolina, South Carolina
1352.	Scioto Madtom	Noturus trautmani	Fishes	Ohio
1353.	Scotts Valley Polygonum	Polygonum hickmanii	Plants	California
1354.	Scrub Blazingstar	Liatris ohlingerae	Plants	Florida
1355.	Scrub Lupine	Lupinus aridorum	Plants	Florida
1356.	Scrub Mint	Dicerandra frutescens	Plants	Florida
1357.	Sea Otter	Enhydra lutris	Mammals	Canada, Japan, Mexico, Russia, United States
1358.	Sebastopol Meadowfoam	Limnanthes vinculans	Plants	California
1359.	Sebucan	Leptocereus grantianus	Plants	Puerto Rico
1360.	Sebucan	Leptocereus quadricostatus	Plants	British Virgin Islands, Puerto Rico
1361.	Seepage Salamander	Desmognathus aeneus	Amphibians	Alabama, Georgia, North Carolina, Tennessee
1362.	Sentry Milk-vetch	Astragalus cremnophylax var. cremnophylax	Plants	Arizona
1363.	Shale Barren Rock-cress	Arabis serotina	Plants	Virginia, West Virginia
1364.	Shasta Crayfish	Pacifastacus fortis	Crustaceans	California
1365.	Shenandoah Salamander	Plethodon shenandoah	Amphibians	Virginia
1366.	Shiny Pigtoe	Fusconaia cor	Clams	Tennessee, Virginia
1367.	Shinyrayed Pocketbook	Lampsilis subangulata	Clams	Alabama, Florida, Georgia
1368.	Shivwits Milk-vetch	Astragalus ampullarioides	Plants	Utah
1369.	Short's Goldenrod	Solidago shortii	Plants	Kentucky
1370.	Short-leaved Rosemary	Conradina brevifolia	Plants	Florida
1371.	Short-tailed Albatross	Phoebastria albatrus	Birds	Arkansas, Bering Sea, California, Canada, China, Hawaii, Japan, Mexico, North Pacific Ocean, Oregon, Russia, Taiwan, Washington
1372.	Shortnose Cisco	Coregonus reighardi	Fishes	Canada, United States
1373.	Shortnose Sturgeon	Acipenser brevirostrum	Fishes	USA and Canada (Atlantic Coast)
1374.	Shortnose Sucker	Chasmistes brevirostris	Fishes	California, Oregon
1375.	Shortspine Thornyhead	Sebastolobus alascanus	Fishes	Canada, Russia, United States
1376.	Showy Indian Clover	Trifolium amoenum	Plants	California
1377.	Showy Stickseed	Hackelia venusta	Plants	Washington
1378.	Shrubby Reed-mustard	Schoenocrambe suffrutescens	Plants	Utah
1379.	Sierra Nevada Yellow-legged Frog	Rana sierrae	Amphibians	California
1380.	Silene alexandri	Silene alexandri	Plants	Hawaii
1381.	Silene lanceolata	Silene lanceolata	Plants	Hawaii
1382.	Silene perlmanii	Silene perlmanii	Plants	Hawaii
1383.	Silene polypetala	Silene polypetala	Plants	Florida, Georgia
1384.	Silver Glen Springs Cave Crayfish	Procambarus attiguus	Crustaceans	Florida
1385.	Silver Rice Rat	Oryzomys palustris natator	Mammals	Florida
1386.	Siskiyou Mountains Salamander	Plethodon stormi	Amphibians	California, Oregon
1387.	Slackwater Darter	Etheostoma boschungi	Fishes	Alabama, Tennessee
1388.	Slender Campeloma	Campeloma decampi	Snails	Alabama
1389.	Slender Rush-pea	Hoffmannseggia tenella	Plants	Texas
1390.	Slender-horned Spineflower	Dodecahema leptoceras	Plants	California
1391.	Slender-petaled Mustard	Thelypodium stenopetalum	Plants	California
1392.	Slenderwrist Burrowing Crayfish	Fallicambarus petilicarpus	Crustaceans	Arkansas
1393.	Small Kauai Thrush	Myadestes palmeri	Birds	Hawaii
1394.	Small's Milkpea	Galactia smallii	Plants	Florida
1395.	Small-anthered Bittercress	Cardamine micranthera	Plants	North Carolina, Virginia
1396.	Small-head Dubautia	Dubautia microcephala	Plants	Hawaii
1397.	Smalltooth Sawfish	Pristis pectinata	Fishes	Gulf of Mexico, Texas through Florida (USA), USA - Atlantic: North Carolina through Florida
1398.	Smith's Blue Butterfly	Euphilotes enoptes smithi	Insects	California
1399.	Smoky Madtom	Noturus baileyi	Fishes	Tennessee
1400.	Smooth Coneflower	Echinacea laevigata	Plants	Georgia, Maryland, North Carolina, Pennsylvania, South Carolina, Virginia
1401.	Snake River Physa Snail	Physa natricina	Snails	Idaho
1402.	Snakeroot	Eryngium cuneifolium	Plants	Florida
1403.	Sockeye Salmon	Oncorhynchus nerka	Fishes	USA - Snake River, Idaho
1404.	Socorro Isopod	Thermosphaeroma thermophilum	Crustaceans	New Mexico
1405.	Socorro Springsnail	Pyrgulopsis neomexicana	Snails	New Mexico
1406.	Soft Bird's-Beak	Cordylanthus mollis ssp. mollis	Plants	California
1407.	Soft-leaved Paintbrush	Castilleja mollis	Plants	California
1408.	Solano Grass	Tuctoria mucronata	Plants	California
1409.	Solanum drymophilum	Solanum drymophilum	Plants	Puerto Rico
1410.	Solanum incompletum	Solanum incompletum	Plants	Hawaii
1411.	Solanum sandwicense	Solanum sandwicense	Plants	Hawaii
1412.	Sonoma Alopecurus	Alopecurus aequalis var. sonomensis	Plants	California
1413.	Sonoma Spineflower	Chorizanthe valida	Plants	California
1414.	Sonoma Sunshine	Blennosperma bakeri	Plants	California
1415.	Sonora Tiger Salamander	Ambystoma tigrinum stebbinsi	Amphibians	Arizona, Mexico
1416.	Sooty Crayfish	Pacifastacus nigrescens	Crustaceans	California
1417.	South Texas Ambrosia	Ambrosia cheiranthifolia	Plants	Texas
1418.	Southern Acornshell	Epioblasma othcaloogensis	Clams	Alabama, Georgia, Tennessee
1419.	Southern Clubshell	Pleurobema decisum	Clams	Alabama, Georgia, Mississippi, Tennessee
1420.	Southern Combshell	Epioblasma penita	Clams	Alabama, Mississippi
1421.	Southern Kidneyshell	Ptychobranchus jonesi	Clams	Alabama, Florida
1422.	Southern Pigtoe	Pleurobema georgianum	Clams	Alabama, Georgia, Tennessee
1423.	Southern Snaketail	Ophiogomphus australis	Insects	Louisiana, Mississippi
1424.	Southwestern Willow Flycatcher	Empidonax traillii extimus	Birds	Arizona, California, Colorado, Mexico, New Mexico, Texas, Utah
1425.	Speckled Dace	Rhinichthys osculus	Fishes	Nevada, Wyoming
1426.	Speckled Pocketbook	Lampsilis streckeri	Clams	Arkansas
1427.	Sphaerocarpos drewei	Sphaerocarpos drewei	Plants	California
1428.	Spiny River Snail	Io fluvialis	Snails	Alabama, Tennessee, Virginia
1429.	Spoon-billed Sandpiper	Eurynorhynchus pygmeus	Birds	Bangladesh, Canada, China, India, Japan, Korea, Malaysia, Myanmar, Philippines, Russia, Singapore, Sri Lanka, Taiwan, Thailand, United States (Alaska), Vietnam
1430.	Spot-tailed Earless Lizard	Holbrookia lacerata	Reptiles	Mexico, Texas
1431.	Spotted Eagle Ray	Aetobatus narinari	Fishes	Africa, Asia, Australia, Central America, Middle East, North America (including United States and US Island Territory and Hawaii), Oceans, South America
1432.	Sprague's Pipit	Anthus spragueii	Birds	Canada, Mexico, United States
1433.	Spreading Avens	Geum radiatum	Plants	North Carolina, Tennessee
1434.	Spreading Nehe	Lipochaeta venosa	Plants	Hawaii
1435.	Spring Creek Bladderpod	Lesquerella perforata	Plants	Tennessee
1436.	Springfish	Crenichthys baileyi	Fishes	Nevada
1437.	Spruce-fir Moss Spider	Microhexura montivaga	Arachnids	North Carolina, Tennessee
1438.	St. Croix Ground Lizard	Ameiva polops	Reptiles	Virgin Islands
1439.	Star Cactus	Astrophytum asterias	Plants	Mexico, Texas
1440.	Starry Cup Coral	Acanthastrea bowerbanki	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceans
1441.	Starry Cup Coral	Acanthastrea hillae	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceans
1442.	Starry Cup Coral	Acanthastrea ishigakiensis	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceans
1443.	Starry Cup Coral	Acanthastrea subechinata	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Middle East, North America (United States Territory), Oceans
1444.	Stebbins' Morning-glory	Calystegia stebbinsii	Plants	California
1445.	Steelhead	Oncorhynchus mykiss	Fishes	(endangered population southern California Coast), North Pacific Ocean from the Kamchatka Peninsula in Asia to the northern Baja Peninsula
1446.	Steller Sea-lion	Eumetopias jubatus	Mammals	Alaska, California, Canada, North Pacific Ocean, Oregon, Russia, Washington
1447.	Stephen's Kangaroo Rat	Dipodomys cascus	Mammals	California
1448.	Stephen's Kangaroo Rat	Dipodomys stephensi	Mammals	California
1449.	Stirrupshell	Quadrula stapes	Clams	Alabama, Mississippi
1450.	Stocky Pebblesnail	Somatogyrus crassus	Snails	Alabama
1451.	Stone-leaf Coral	Lithophyllon undulatum	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, Oceanic
1452.	Streamside Salamander	Ambystoma barbouri	Amphibians	United States
1453.	Streptocephalus woottoni	Streptocephalus woottoni	Crustaceans	California
1454.	Sturgeon Chub	Macrhybopsis gelida	Fishes	United States
1455.	Succinea piratarum	Succinea piratarum	Snails	Guam
1456.	Succinea quadrasi	Succinea quadrasi	Snails	Guam
1457.	Sugarfoot Moth Fly	Nemapalpus nearcticus	Insects	Florida
1458.	Suisun Thistle	Cirsium hydrophilum var. hydrophilum	Plants	California
1459.	Suwannee Moccasinshell	Medionidus walkeri	Clams	Florida
1460.	Swampforest Clermontia	Clermontia waimeae	Plants	Hawaii
1461.	Tar River Spinymussel	Elliptio steinstansana	Clams	North Carolina
1462.	Tectaria estremerana	Tectaria estremerana	Plants	Puerto Rico
1463.	Tennessee Pebblesnail	Somatogyrus currierianus	Snails	Alabama
1464.	Tennessee Purple Coneflower	Echinacea tennesseensis	Plants	Tennessee
1465.	Tennessee Yellow-eyed Grass	Xyris tennesseensis	Plants	Alabama, Georgia, Tennessee
1466.	Terlingua Creek Cat's-eye	Cryptantha crassipes	Plants	Texas
1467.	Ternstroemia luquillensis	Ternstroemia luquillensis	Plants	Puerto Rico
1468.	Ternstroemia subsessilis	Ternstroemia subsessilis	Plants	Puerto Rico
1469.	Texas Ayenia	Ayenia limitaris	Plants	Mexico, Texas
1470.	Texas Blind Salamander	Typhlomolge rathbuni	Amphibians	Texas
1471.	Texas Heelsplitter	Potamilus amphichaenus	Clams	Louisiana, Oklahoma, Texas
1472.	Texas Hornshell	Popenaias popeii	Clams	Mexico (Coahuila), Texas
1473.	Texas Poppy-mallow	Callirhoe scabriuscula	Plants	Texas
1474.	Texas Prairie Dawn-flower	Hymenoxys texana	Plants	Texas
1475.	Texas Snowbells	Styrax texanus	Plants	Texas
1476.	Texas Trailing Phlox	Phlox nivalis ssp. texensis	Plants	Texas
1477.	Texas Wild-rice	Zizania texana	Plants	Texas
1478.	Thick-billed Parrot	Rhynchopsitta pachyrhyncha	Birds	Arizona, Mexico, New Mexico
1479.	Thickshell Pondsnail	Stagnicola utahensis	Snails	Utah
1480.	Thin Leaf Lettuce Coral	Agaricia tenuifolia	Corals, Jellyfish, and Sea Anemones	Central America (including United States Territories), South America
1481.	Thread-Leaved Loosestrife	Lysimachia filifolia	Plants	Hawaii
1482.	Tiburon Jewelflower	Streptanthus niger	Plants	California
1483.	Tiburon Paintbrush	Castilleja affinis ssp. neglecta	Plants	California
1484.	Tidewater Goby	Eucyclogobius newberryi	Fishes	California
1485.	Tight Coin	Ammonitella yatesii	Snails	California
1486.	Tobusch Fishhook Cactus	Ancistrocactus tobuschii	Plants	Texas
1487.	Todsen's Pennyroyal	Hedeoma todsenii	Plants	New Mexico
1488.	Tongue Coral	Ctenactis albitentaculata	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
1489.	Tonguefern	Elaphoglossum serpens	Plants	Puerto Rico
1490.	Tooth Cave Ground Beetle	Rhadine persephone	Insects	Texas
1491.	Tooth Cave Pseudoscorpion	Tartarocreagris texana	Arachnids	Texas
1492.	Tooth Cave Spider	Neoleptoneta myopica	Arachnids	Texas
1493.	Topeka Shiner	Notropis topeka tristis	Fishes	Iowa, Kansas, Minnesota, Missouri, Nebraska, South Dakota
1494.	Torreya Pygmy Grasshopper	Tettigidea empedonepia	Insects	Florida
1495.	Townsend's Big-eared Bat	Corynorhinus townsendii	Mammals	Arkansas, Kentucky, Missouri, North Carolina, Oklahoma, Virginia, West Virginia
1496.	Townsend's Shearwater	Puffinus auricularis	Birds	Guam, Mexico, Northern Mariana Islands, United States Minor Outlying Islands (Hawaii)
1497.	Transverse Grand Pyrg	Pyrgulopsis cruciglans	Snails	Nevada
1498.	Tree Dubautia	Dubautia arborea	Plants	Hawaii
1499.	Triangular Kidneyshell	Ptychobranchus greenii	Clams	Alabama, Georgia, Tennessee
1500.	Trichilia triacantha	Trichilia triacantha	Plants	Puerto Rico
1501.	Tricolored Blackbird	Agelaius tricolor	Birds	Mexico, United States (California)
1502.	Triple-ribbed Milk-vetch	Astragalus tricarinatus	Plants	California
1503.	Trochomorpha apia	Trochomorpha apia	Snails	American Samoa
1504.	Tropical Lilythorn	Catesbaea melanocarpa	Plants	Puerto Rico, Virgin Islands
1505.	Tropidoptera heliciformis	Tropidoptera heliciformis	Snails	Hawaii
1506.	Tubercled Blossom Pearlymussel	Epioblasma torulosa	Clams	Alabama, Canada (Ontario), Illinois, Indiana, Kentucky, Michigan, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia
1507.	Tulotoma Snail	Tulotoma magnifica	Snails	Alabama
1508.	Turgid Blossom Pearlymussel	Epioblasma turgidula	Clams	Tennessee
1509.	Turtlefat	Auerodendron pauciflorum	Plants	Puerto Rico
1510.	Twin-striped Clubtail	Gomphus geminatus	Insects	Alabama, Florida, Georgia
1511.	Twocleft Stenogyne	Stenogyne bifida	Plants	Hawaii
1512.	Uhiuhi	Caesalpinia kavaiense	Plants	Hawaii
1513.	Unarmored Threespine Stickleback	Gasterosteus aculeatus williamsoni	Fishes	California
1514.	Uncompahgre Fritillary Butterfly	Boloria acrocnema	Insects	Colorado
1515.	Upland Combshell	Epioblasma metastriata	Clams	Alabama, Georgia, Tennessee
1516.	Utah Prairie Dog	Cynomys parvidens	Mammals	Utah
1517.	Utah Valvata Snail	Valvata utahensis	Snails	Idaho
1518.	Valley Flame Crayfish	Cambarus deweesae	Crustaceans	Kentucky, Tennessee
1519.	Varicose Rocksnail	Lithasia verrucosa	Snails	United States
1520.	Ventura Marsh Milk-vetch	Astragalus pycnostachyus var. lanosissimus	Plants	California
1521.	Vermilion Darter	Etheostoma chermocki	Fishes	Alabama
1522.	Vernal Pool Tadpole Shrimp	Lepidurus packardi	Crustaceans	California
1523.	Vernonia proctorii	Vernonia proctorii	Plants	Puerto Rico
1524.	Vigna o-wahuensis	Vigna o-wahuensis	Plants	Hawaii
1525.	Villalba Robber Frog	Eleutherodactylus eneidae	Amphibians	Puerto Rico
1526.	Vine Hill Clarkia	Clarkia imbricata	Plants	California
1527.	Violet	Viola chamissoniana ssp. chamissoniana	Plants	Hawaii
1528.	Violet	Viola helenae	Plants	Hawaii
1529.	Violet	Viola kauaiensis var. wahiawaensis	Plants	Hawaii
1530.	Violet	Viola lanaiensis	Plants	Hawaii
1531.	Violet	Viola oahuensis	Plants	Hawaii
1532.	Virgin Islands Robber Frog	Eleutherodactylus lentus	Amphibians	Virgin Islands
1533.	Virgin Islands Tree Boa	Epicrates monensis granti	Reptiles	Puerto Rico, Virgin Islands (British and US)
1534.	Virgin River Chub	Gila seminuda robusta	Fishes	Arizona, Nevada, Utah
1535.	Virginia Fringed Mountain Snail	Polygyriscus virginianus	Snails	Virginia
1536.	Virginia Pigtoe	Lexingtonia subplana	Clams	North Carolina, Tennessee, Virginia
1537.	Virginia Round-leaf Birch	Betula uber	Plants	Virginia
1538.	Waianae Range Blacksnakeroot	Sanicula mariversa	Plants	Hawaii
1539.	Waianae Range Hala Pepe	Pleomele forbesii	Plants	Hawaii
1540.	Waianae Range Starviolet	Hedyotis degeneri	Plants	Hawaii
1541.	Waianae Range Tetramolopium	Tetramolopium lepidotum ssp. lepidotum	Plants	Hawaii
1542.	Waikane Valley Cyrtandra	Cyrtandra kaulantha	Plants	Hawaii
1543.	Waioli Valley Maidenfern	Christella wailele	Plants	Hawaii
1544.	Walker's Manioc	Manihot walkerae	Plants	Mexico, Texas
1545.	Wandering Salamander	Aneides vagrans	Amphibians	California, Canada (British Columbia)
1546.	Water-willow	Justicia cooleyi	Plants	Florida
1547.	Watercress Darter	Etheostoma nuchale	Fishes	Alabama
1548.	Wattle-necked Softshell Turtle	Palea steindachneri	Reptiles	China, Hawaii, Mauritius, Vietnam
1549.	Wawae'iole	Lycopodium nutans	Plants	Hawaii
1550.	Wekiwa Hydrobe	Aphaostracon monas	Snails	Florida
1551.	Weller's Salamander	Plethodon welleri	Amphibians	North Carolina, Tennessee, Virginia
1552.	West Indian Manatee	Trichechus manatus	Mammals	Caribbean Sea, South America, Southeastern USA
1553.	West Indian Walnut	Juglans jamaicensis	Plants	Cuba, Hispaniola, Puerto Rico
1554.	West Virginia Spring Salamander	Gyrinophilus subterraneus	Amphibians	West Virginia
1555.	Western Fanshell Mussel	Cyprogenia aberti	Clams	Arkansas, Kansas, Missouri
1556.	Western Lily	Lilium occidentale	Plants	California, Oregon
1557.	Western Prairie Fringed Orchid	Platanthera praeclara	Plants	Canada, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota
1558.	White Abalone	Haliotis sorenseni	Snails	North America (West Coast from Point Conception, CA, USA, to Punta Abreojos, Baja Californa, Mexico)
1559.	White Bladderpod	Lesquerella pallida	Plants	Texas
1560.	White Irisette	Sisyrinchium dichotomum	Plants	North Carolina
1561.	White River Spinedace	Lepidomeda albivallis	Fishes	Nevada
1562.	White Sturgeon	Acipenser transmontanus	Fishes	Canada (British Columbia), Idaho, Montana
1563.	White Wartyback Pearlymussel	Plethobasus cicatricosus	Clams	Alabama, Illinois, Indiana, Kentucky, Tennessee
1564.	White-eared Pocket Mouse	Perognathus alticolus	Mammals	California
1565.	White-necked Crow	Corvus leucognaphalus	Birds	Dominican Republic, Haiti, Puerto Rico
1566.	White-rayed Pentachaeta	Pentachaeta bellidiflora	Plants	California
1567.	White-tailed Deer	Odocoileus virginianus	Mammals	Florida, Oregon and Washington (along the Columbian River)
1568.	White-throated Ground-dove	Gallicolumba xanthonura	Birds	Federated States of Micronesia, Guam, Northern Mariana Islands
1569.	Whooping Crane	Grus americana	Birds	Canada, Mexico, USA (Rocky Mountains east to Carolinas)
1570.	Wide-leaf Warea	Warea amplexifolia	Plants	Florida
1571.	Wiebke's Beggarticks	Bidens wiebkei	Plants	Hawaii
1572.	Wightman's Robber Frog	Eleutherodactylus wightmanae	Amphibians	Puerto Rico
1573.	Willowy Monardella	Monardella linoides ssp. viminea	Plants	California, Mexico
1574.	Winged Mapleleaf	Quadrula fragosa	Clams	Illinois, Indiana, Iowa, Kentucky, Minnesota, Missouri, Nebraska, Ohio
1575.	Wireweed	Polygonella basiramia	Plants	Florida
1576.	Wolverine	Gulo gulo	Mammals	Canada, China, Estonia, Finland, Mongolia, Norway, Russia, Sweden, United States
1577.	Wood Stork	Mycteria americana	Birds	Alabama, Florida, Georgia, South Carolina
1578.	Woodland Caribou	Rangifer tarandus caribou	Mammals	British Columbia, Idaho, Washington
1579.	Woodland Ma'oloa	Neraudia sericea	Plants	Hawaii
1580.	Woolly Meadowfoam	Limnanthes floccosa	Plants	California
1581.	Woundfin	Plagopterus argentissimus	Fishes	Nevada, Utah
1582.	Wright Fishhook Cactus	Sclerocactus wrightiae	Plants	Utah
1583.	Wyoming Toad	Bufo baxteri hemiophrys	Amphibians	Wyoming
1584.	Yadon's Piperia	Piperia yadonii	Plants	California
1585.	Yaqui Chub	Gila purpurea	Fishes	Arizona, New Mexico
1586.	Yellow Blossom Pearlymussel	Epioblasma florentina	Clams	Alabama, Arkansas, Kentucky, Missouri, North Carolina, Tennessee, Virginia
1587.	Yellow Blotched Sawback	Graptemys flavimaculata	Reptiles	Mississippi
1588.	Yellow Lampmussel	Lampsilis cariosa	Clams	Canada (New Brunswick, Nova Scotia), United States
1589.	Yellow Larkspur	Delphinium luteum	Plants	California
1590.	Yellow-shouldered Blackbird	Agelaius xanthomus	Birds	Puerto Rico
1591.	Yosemite Toad	Anaxyrus canorus	Amphibians	California
1592.	Yreka Phlox	Phlox hirsuta	Plants	California
1593.	Zamia portoricensis	Zamia portoricensis	Plants	Puerto Rico
1594.	Zanthoxylum dipetalum var. tomentosum	Zanthoxylum dipetalum var. tomentosum	Plants	Hawaii
1595.	Zanthoxylum hawaiiense	Zanthoxylum hawaiiense	Plants	Hawaii
1596.	Zanthoxylum thomasianum	Zanthoxylum thomasianum	Plants	Puerto Rico, Virgin Islands
1597.	Zapata Bladderpod	Lesquerella thamnophila	Plants	Texas
1598.	Zayante Band-winged Grasshopper	Trimerotropis infantilis	Insects	California
1599.	Zerene Fritillary	Speyeria zerene	Insects	California