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.
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
list.
This list is made possible through a database keyword search/filtering process which may not be 100% accurate. Therefore, all endangered species of Ecuador may not be listed here. For a complete list of endangered species in South America, browse the
endangered species list.
| | Species Name | Scientific Name | Group |
|---|
| 1. | Abarema ganymedea | Abarema ganymedea | Plants |
| 2. | Abarema killipii | Abarema killipii | Plants |
| 3. | Acalypha tunguraguae | Acalypha tunguraguae | Plants |
| 4. | Acalypha schimpffii | Acalypha schimpffii | Plants |
| 5. | Acalypha eggersii | Acalypha eggersii | Plants |
| 6. | Acalypha ecuadorica | Acalypha ecuadorica | Plants |
| 7. | Acalypha dictyoneura | Acalypha dictyoneura | Plants |
| 8. | Acalypha andina | Acalypha andina | Plants |
| 9. | Acanthosyris annonagustata | Acanthosyris annonagustata | Plants |
| 10. | Achyrocline mollis | Achyrocline mollis | Plants |
| 11. | Achyrocline hallii | Achyrocline hallii | Plants |
| 12. | Achyrocline glandulosa | Achyrocline glandulosa | Plants |
| 13. | Aciotis asplundii | Aciotis asplundii | Plants |
| 14. | Aciotis aristellata | Aciotis aristellata | Plants |
| 15. | Acmella leucantha | Acmella leucantha | Plants |
| 16. | Acrosorium papenfussii | Acrosorium papenfussii | Plants |
| 17. | Adenostemma harlingii | Adenostemma harlingii | Plants |
| 18. | Adenostemma zakii | Adenostemma zakii | Plants |
| 19. | Aechmea napoensis | Aechmea napoensis | Plants |
| 20. | Aechmea manzanaresiana | Aechmea manzanaresiana | Plants |
| 21. | Aechmea lugoi | Aechmea lugoi | Plants |
| 22. | Aechmea kentii | Aechmea kentii | Plants |
| 23. | Aechmea wuelfinghoffii | Aechmea wuelfinghoffii | Plants |
| 24. | Aechmea biflora | Aechmea biflora | Plants |
| 25. | Aechmea tayoensis | Aechmea tayoensis | Plants |
| 26. | Aechmea aculeatosepala | Aechmea aculeatosepala | Plants |
| 27. | Aechmea roeseliae | Aechmea roeseliae | Plants |
| 28. | Aechmea patriciae | Aechmea patriciae | Plants |
| 29. | Aegiphila lopez-palacii | Aegiphila lopez-palacii | Plants |
| 30. | Aegiphila glomerata | Aegiphila glomerata | Plants |
| 31. | Aegiphila ferruginea | Aegiphila ferruginea | Plants |
| 32. | Aegiphila schimpffii | Aegiphila schimpffii | Plants |
| 33. | Aegiphila rimbachii | Aegiphila rimbachii | Plants |
| 34. | Aegiphila purpurascens | Aegiphila purpurascens | Plants |
| 35. | Aegiphila monticola | Aegiphila monticola | Plants |
| 36. | Aequatorium lepidotum | Aequatorium lepidotum | Plants |
| 37. | Aequatorium jamesonii | Aequatorium jamesonii | Plants |
| 38. | Aequatorium asterotrichum | Aequatorium asterotrichum | Plants |
| 39. | Aequatorium repandiforme | Aequatorium repandiforme | Plants |
| 40. | Aequatorium limonense | Aequatorium limonense | Plants |
| 41. | Aetheolaena lingulata | Aetheolaena lingulata | Plants |
| 42. | Aetheolaena ledifolia | Aetheolaena ledifolia | Plants |
| 43. | Aetheolaena hypoleuca | Aetheolaena hypoleuca | Plants |
| 44. | Aetheolaena subinvolucrata | Aetheolaena subinvolucrata | Plants |
| 45. | Aetheolaena decipiens | Aetheolaena decipiens | Plants |
| 46. | Aetheolaena rosana | Aetheolaena rosana | Plants |
| 47. | Aetheolaena cuencana | Aetheolaena cuencana | Plants |
| 48. | Aetheolaena pichinchensis | Aetheolaena pichinchensis | Plants |
| 49. | Aetheolaena mojandensis | Aetheolaena mojandensis | Plants |
| 50. | Aetheolaena mochensis | Aetheolaena mochensis | Plants |
| 51. | Ageratina dendroides | Ageratina dendroides | Plants |
| 52. | Ageratina cuencana | Ageratina cuencana | Plants |
| 53. | Ageratina rhypodes | Ageratina rhypodes | Plants |
| 54. | Ageratum iltisii | Ageratum iltisii | Plants |
| 55. | Agua Rica Leaf Frog | Phyllomedusa ecuatoriana | Amphibians |
| 56. | Aiphanes verrucosa | Aiphanes verrucosa | Plants |
| 57. | Aiphanes grandis | Aiphanes grandis | Plants |
| 58. | Aiphanes chiribogensis | Aiphanes chiribogensis | Plants |
| 59. | Alchornea leptogyna | Alchornea leptogyna | Plants |
| 60. | Alchornea sodiroi | Alchornea sodiroi | Plants |
| 61. | Allobates kingsburyi | Allobates kingsburyi | Amphibians |
| 62. | Allomarkgrafia ecuatoriana | Allomarkgrafia ecuatoriana | Plants |
| 63. | Alloneuron ecuadorense | Alloneuron ecuadorense | Plants |
| 64. | Alloneuron dorrii | Alloneuron dorrii | Plants |
| 65. | Allophylus dodsonii | Allophylus dodsonii | Plants |
| 66. | Alloplectus martinianus | Alloplectus martinianus | Plants |
| 67. | Alloplectus penduliflorus | Alloplectus penduliflorus | Plants |
| 68. | Aloysia dodsoniorum | Aloysia dodsoniorum | Plants |
| 69. | Alseis lugonis | Alseis lugonis | Plants |
| 70. | Alsophila esmeraldensis | Alsophila esmeraldensis | Plants |
| 71. | Alternanthera galapagensis | Alternanthera galapagensis | Plants |
| 72. | Alternanthera flavicoma | Alternanthera flavicoma | Plants |
| 73. | Alternanthera corymbiformis | Alternanthera corymbiformis | Plants |
| 74. | Alternanthera areschougii | Alternanthera areschougii | Plants |
| 75. | Alternanthera snodgrassii | Alternanthera snodgrassii | Plants |
| 76. | Alternanthera nesiotes | Alternanthera nesiotes | Plants |
| 77. | Alternanthera helleri | Alternanthera helleri | Plants |
| 78. | Alternanthera grandis | Alternanthera grandis | Plants |
| 79. | Amanoa anomala | Amanoa anomala | Plants |
| 80. | Amazon Climbing Salamander | Bolitoglossa palmata | Amphibians |
| 81. | Amazon Giant Glass Frog | Centrolene pipilatum | Amphibians |
| 82. | American Crocodile | Crocodylus acutus | Reptiles |
| 83. | Ampelocera longissima | Ampelocera longissima | Plants |
| 84. | Amsinckia marginata | Amsinckia marginata | Plants |
| 85. | Anatipes Robber Frog | Strabomantis anatipes | Amphibians |
| 86. | Ancient Antwren | Herpsilochmus gentryi | Birds |
| 87. | Andean Bear | Tremarctos ornatus | Mammals |
| 88. | Andean Caenolestid | Caenolestes condorensis | Mammals |
| 89. | Andean Catfish | Astroblepus ubidiai | Fishes |
| 90. | Andean Condor | Vultur gryphus | Birds |
| 91. | Andean Wax Palm | Ceroxylon echinulatum | Plants |
| 92. | Andean Wax Palm | Ceroxylon amazonicum | Plants |
| 93. | Andean Wax Palm | Ceroxylon alpinum | Plants |
| 94. | Andes Marsupial Frog | Gastrotheca andaquiensis | Amphibians |
| 95. | Andropogon benthamianus | Andropogon benthamianus | Plants |
| 96. | Andropogon scabriglumis | Andropogon scabriglumis | Plants |
| 97. | Andropogon lanuginosus | Andropogon lanuginosus | Plants |
| 98. | Anemone jamesonii | Anemone jamesonii | Plants |
| 99. | Angostura alipes | Angostura alipes | Plants |
| 100. | Aniba vulcanicola | Aniba vulcanicola | Plants |
| 101. | Aniba rosaeodora | Aniba rosaeodora | Plants |
| 102. | Aniba pilosa | Aniba pilosa | Plants |
| 103. | Annona oligocarpa | Annona oligocarpa | Plants |
| 104. | Annona manabiensis | Annona manabiensis | Plants |
| 105. | Annona hystricoides | Annona hystricoides | Plants |
| 106. | Annona ecuadorensis | Annona ecuadorensis | Plants |
| 107. | Annona deceptrix | Annona deceptrix | Plants |
| 108. | Annona conica | Annona conica | Plants |
| 109. | Aphanactis antisanensis | Aphanactis antisanensis | Plants |
| 110. | Aphanactis barclayae | Aphanactis barclayae | Plants |
| 111. | Aphanes cotopaxiensis | Aphanes cotopaxiensis | Plants |
| 112. | Aphelandra chrysantha | Aphelandra chrysantha | Plants |
| 113. | Aphelandra loxensis | Aphelandra loxensis | Plants |
| 114. | Aphelandra azuayensis | Aphelandra azuayensis | Plants |
| 115. | Aphelandra harlingii | Aphelandra harlingii | Plants |
| 116. | Aphelandra attenuata | Aphelandra attenuata | Plants |
| 117. | Aphelandra gunnari | Aphelandra gunnari | Plants |
| 118. | Aphelandra anderssonii | Aphelandra anderssonii | Plants |
| 119. | Aphelandra guayasii | Aphelandra guayasii | Plants |
| 120. | Aphelandra albinotata | Aphelandra albinotata | Plants |
| 121. | Aphelandra galba | Aphelandra galba | Plants |
| 122. | Aphelandra zamorensis | Aphelandra zamorensis | Plants |
| 123. | Aphelandra dodsonii | Aphelandra dodsonii | Plants |
| 124. | Aphelandra sulphurea | Aphelandra sulphurea | Plants |
| 125. | Aphelandra cinnabarina | Aphelandra cinnabarina | Plants |
| 126. | Aphelandra phaina | Aphelandra phaina | Plants |
| 127. | Aquatic Rat | Anotomys leander | Mammals |
| 128. | Arachniodes squamulosa | Arachniodes squamulosa | Plants |
| 129. | Arachnothryx fosbergii | Arachnothryx fosbergii | Plants |
| 130. | Arachnothryx chimboracensis | Arachnothryx chimboracensis | Plants |
| 131. | Aristeguietia chimborazensis | Aristeguietia chimborazensis | Plants |
| 132. | Aristeguietia cacalioides | Aristeguietia cacalioides | Plants |
| 133. | Aristeguietia arborea | Aristeguietia arborea | Plants |
| 134. | Aristida guayllabambensis | Aristida guayllabambensis | Plants |
| 135. | Arthur's Stubfoot Toad | Atelopus arthuri | Amphibians |
| 136. | Ashy Storm-petrel | Oceanodroma homochroa | Birds |
| 137. | Asplenium virens | Asplenium virens | Plants |
| 138. | Asplenium ecuadorense | Asplenium ecuadorense | Plants |
| 139. | Asplundia lutea | Asplundia lutea | Plants |
| 140. | Asplundia lilacina | Asplundia lilacina | Plants |
| 141. | Asplundia truncata | Asplundia truncata | Plants |
| 142. | Asplundia fagerlindii | Asplundia fagerlindii | Plants |
| 143. | Asplundia sparrai | Asplundia sparrai | Plants |
| 144. | Asplundia domingensis | Asplundia domingensis | Plants |
| 145. | Asplundia quinindensis | Asplundia quinindensis | Plants |
| 146. | Asplundia cuspidata | Asplundia cuspidata | Plants |
| 147. | Asplundia pastazana | Asplundia pastazana | Plants |
| 148. | Asplundia clementinae | Asplundia clementinae | Plants |
| 149. | Asplundia nonoensis | Asplundia nonoensis | Plants |
| 150. | Asplundia cayapensis | Asplundia cayapensis | Plants |
| 151. | Asplundia meraensis | Asplundia meraensis | Plants |
| 152. | Aster quitensis | Aster quitensis | Plants |
| 153. | Astragalus bidentatus | Astragalus bidentatus | Plants |
| 154. | Astragalus sprucei | Astragalus sprucei | Plants |
| 155. | Atelopus exiguus | Atelopus exiguus | Amphibians |
| 156. | Atelopus nanay | Atelopus nanay | Amphibians |
| 157. | Atelopus onorei | Atelopus onorei | Amphibians |
| 158. | Atelopus petersi | Atelopus petersi | Amphibians |
| 159. | Aulonemia longiaristata | Aulonemia longiaristata | Plants |
| 160. | Austrofolium equatorianum | Austrofolium equatorianum | Plants |
| 161. | Axinaea sodiroi | Axinaea sodiroi | Plants |
| 162. | Axinaea sessilifolia | Axinaea sessilifolia | Plants |
| 163. | Axinaea sclerophylla | Axinaea sclerophylla | Plants |
| 164. | Axinaea quitensis | Axinaea quitensis | Plants |
| 165. | Axinaea pauciflora | Axinaea pauciflora | Plants |
| 166. | Ayampe Poison Frog | Epipedobates machalilla | Amphibians |
| 167. | Ayapana ecuadorensis | Ayapana ecuadorensis | Plants |
| 168. | Ayapanopsis luteynii | Ayapanopsis luteynii | Plants |
| 169. | Azuay Marsupial Frog | Gastrotheca litonedis | Amphibians |
| 170. | Azuay Stubfoot Toad | Atelopus bomolochos | Amphibians |
| 171. | Bactris setiflora | Bactris setiflora | Plants |
| 172. | Badilloa atrescens | Badilloa atrescens | Plants |
| 173. | Banara riparia | Banara riparia | Plants |
| 174. | Banara regia | Banara regia | Plants |
| 175. | Banded Ground-cuckoo | Neomorphus radiolosus | Birds |
| 176. | Banded Horned Treefrog | Hemiphractus fasciatus | Amphibians |
| 177. | Bar-winged Wood-wren | Henicorhina leucoptera | Birds |
| 178. | Barnadesia ciliata | Barnadesia ciliata | Plants |
| 179. | Barnadesia aculeata | Barnadesia aculeata | Plants |
| 180. | Barrington Land Iguana | Conolophus pallidus | Reptiles |
| 181. | Bartlettina campii | Bartlettina campii | Plants |
| 182. | Bartsia pumila | Bartsia pumila | Plants |
| 183. | Bartsia alba | Bartsia alba | Plants |
| 184. | Basking Shark | Cetorhinus maximus | Fishes |
| 185. | Baudo Guan | Penelope ortoni | Birds |
| 186. | Bauhinia pichinchensis | Bauhinia pichinchensis | Plants |
| 187. | Bauhinia haughtii | Bauhinia haughtii | Plants |
| 188. | Bauhinia flagelliflora | Bauhinia flagelliflora | Plants |
| 189. | Bauhinia stenantha | Bauhinia stenantha | Plants |
| 190. | Bauhinia seminarioi | Bauhinia seminarioi | Plants |
| 191. | Bearded Guan | Penelope barbata | Birds |
| 192. | Beautiful Jay | Cyanolyca pulchra | Birds |
| 193. | Bedstraw | Galium fosbergii | Plants |
| 194. | Bedstraw | Galium ecuadoricum | Plants |
| 195. | Begonia exalata | Begonia exalata | Plants |
| 196. | Begonia lugonis | Begonia lugonis | Plants |
| 197. | Begonia serotina | Begonia serotina | Plants |
| 198. | Begonia valvata | Begonia valvata | Plants |
| 199. | Begonia acerifolia | Begonia acerifolia | Plants |
| 200. | Begonia dodsonii | Begonia dodsonii | Plants |
| 201. | Begonia ludwigii | Begonia ludwigii | Plants |
| 202. | Begonia secunda | Begonia secunda | Plants |
| 203. | Begonia truncicola | Begonia truncicola | Plants |
| 204. | Begonia consobrina | Begonia consobrina | Plants |
| 205. | Begonia holmnielseniana | Begonia holmnielseniana | Plants |
| 206. | Begonia pectennervia | Begonia pectennervia | Plants |
| 207. | Begonia tropaeolifolia | Begonia tropaeolifolia | Plants |
| 208. | Begonia compacticaulis | Begonia compacticaulis | Plants |
| 209. | Begonia hitchcockii | Begonia hitchcockii | Plants |
| 210. | Begonia parcifolia | Begonia parcifolia | Plants |
| 211. | Begonia triramosa | Begonia triramosa | Plants |
| 212. | Begonia brandbygeana | Begonia brandbygeana | Plants |
| 213. | Begonia harlingii | Begonia harlingii | Plants |
| 214. | Begonia oellgaardii | Begonia oellgaardii | Plants |
| 215. | Begonia tetrandra | Begonia tetrandra | Plants |
| 216. | Begonia asympeltata | Begonia asympeltata | Plants |
| 217. | Begonia geminiflora | Begonia geminiflora | Plants |
| 218. | Begonia neoharlingii | Begonia neoharlingii | Plants |
| 219. | Begonia sparreana | Begonia sparreana | Plants |
| 220. | Begonia ynesiae | Begonia ynesiae | Plants |
| 221. | Begonia aeranthos | Begonia aeranthos | Plants |
| 222. | Begonia froebelii | Begonia froebelii | Plants |
| 223. | Begonia napoensis | Begonia napoensis | Plants |
| 224. | Begonia sodiroi | Begonia sodiroi | Plants |
| 225. | Begonia xerophyta | Begonia xerophyta | Plants |
| 226. | Begonia aequatorialis | Begonia aequatorialis | Plants |
| 227. | Bentfin Devil Ray | Mobula thurstoni | Fishes |
| 228. | Berberis pindilicensis | Berberis pindilicensis | Plants |
| 229. | Berberis minzaensis | Berberis minzaensis | Plants |
| 230. | Besleria quadrangulata | Besleria quadrangulata | Plants |
| 231. | Besleria modica | Besleria modica | Plants |
| 232. | Bicoloured Antvireo | Dysithamnus occidentalis | Birds |
| 233. | Bidens simplicifolia | Bidens simplicifolia | Plants |
| 234. | Bigeye Tuna | Thunnus obesus | Fishes |
| 235. | Biophytum heinrichsae | Biophytum heinrichsae | Plants |
| 236. | Black Caiman | Melanosuchus niger | Reptiles |
| 237. | Black Solitary Eagle | Harpyhaliaetus solitarius | Birds |
| 238. | Black Tinamou | Tinamus osgoodi | Birds |
| 239. | Black Water Frog | Telmatobius niger | Amphibians |
| 240. | Black-and-chestnut Eagle | Spizaetus isidori | Birds |
| 241. | Black-and-white Tanager | Conothraupis speculigera | Birds |
| 242. | Black-blotched Stingray | Taeniura meyeni | Fishes |
| 243. | Black-breasted Puffleg | Eriocnemis nigrivestis | Birds |
| 244. | Black-thighed Puffleg | Eriocnemis derbyi | Birds |
| 245. | Blackish Shrew Opossum | Caenolestes convelatus | Mammals |
| 246. | Blackish-headed Spinetail | Synallaxis tithys | Birds |
| 247. | Blakea harlingii | Blakea harlingii | Plants |
| 248. | Blakea oldemanii | Blakea oldemanii | Plants |
| 249. | Blakea glandulosa | Blakea glandulosa | Plants |
| 250. | Blakea madisonii | Blakea madisonii | Plants |
| 251. | Blakea formicaria | Blakea formicaria | Plants |
| 252. | Blakea languinosa | Blakea languinosa | Plants |
| 253. | Blakea eriocalyx | Blakea eriocalyx | Plants |
| 254. | Blakea jativae | Blakea jativae | Plants |
| 255. | Blakea campii | Blakea campii | Plants |
| 256. | Blakea involvens | Blakea involvens | Plants |
| 257. | Blakea acostae | Blakea acostae | Plants |
| 258. | Blakea incompta | Blakea incompta | Plants |
| 259. | Blakea rotundifolia | Blakea rotundifolia | Plants |
| 260. | Blakea hispida | Blakea hispida | Plants |
| 261. | Blakea pichinchensis | Blakea pichinchensis | Plants |
| 262. | Blechnum sodiroi | Blechnum sodiroi | Plants |
| 263. | Blechnum monomorphum | Blechnum monomorphum | Plants |
| 264. | Blechnum floresii | Blechnum floresii | Plants |
| 265. | Blue-whiskered Tanager | Tangara johannae | Birds |
| 266. | Bomarea brachysepala | Bomarea brachysepala | Plants |
| 267. | Bomarea graminifolia | Bomarea graminifolia | Plants |
| 268. | Bomarea angustifolia | Bomarea angustifolia | Plants |
| 269. | Bomarea gracilis | Bomarea gracilis | Plants |
| 270. | Bomarea goniocaulon | Bomarea goniocaulon | Plants |
| 271. | Bomarea uncifolia | Bomarea uncifolia | Plants |
| 272. | Bomarea glaucescens | Bomarea glaucescens | Plants |
| 273. | Bomarea lutea | Bomarea lutea | Plants |
| 274. | Bomarea elegans | Bomarea elegans | Plants |
| 275. | Bomarea longipes | Bomarea longipes | Plants |
| 276. | Bomarea chimborazensis | Bomarea chimborazensis | Plants |
| 277. | Bomarea lanata | Bomarea lanata | Plants |
| 278. | Bomarea ceratophora | Bomarea ceratophora | Plants |
| 279. | Bomarea hartwegii | Bomarea hartwegii | Plants |
| 280. | Bothriochloa campii | Bothriochloa campii | Plants |
| 281. | Boulenger's Rocket Frog | Hyloxalus vertebralis | Amphibians |
| 282. | Boulenger's Stubfoot Toad | Atelopus boulengeri | Amphibians |
| 283. | Brachyotum fraternum | Brachyotum fraternum | Plants |
| 284. | Brachyotum rotundifolium | Brachyotum rotundifolium | Plants |
| 285. | Brachyotum fictum | Brachyotum fictum | Plants |
| 286. | Brachyotum johannes-julii | Brachyotum johannes-julii | Plants |
| 287. | Brachyotum ecuadorense | Brachyotum ecuadorense | Plants |
| 288. | Brachyotum jamesonii | Brachyotum jamesonii | Plants |
| 289. | Brachyotum campii | Brachyotum campii | Plants |
| 290. | Brachyotum incrassatum | Brachyotum incrassatum | Plants |
| 291. | Brachyotum benthamianum | Brachyotum benthamianum | Plants |
| 292. | Brachyotum harlingii | Brachyotum harlingii | Plants |
| 293. | Brachyotum trichocalyx | Brachyotum trichocalyx | Plants |
| 294. | Brachyotum azuayense | Brachyotum azuayense | Plants |
| 295. | Brachyotum gracilescens | Brachyotum gracilescens | Plants |
| 296. | Brachyotum russatum | Brachyotum russatum | Plants |
| 297. | Brachyotum gleasonii | Brachyotum gleasonii | Plants |
| 298. | Brachyotum rugosum | Brachyotum rugosum | Plants |
| 299. | Brazilian Giant Tortoise | Geochelone denticulata | Reptiles |
| 300. | Brown Pelican | Pelecanus occidentalis | Birds |
| 301. | Brown Wood-rail | Aramides wolfi | Birds |
| 302. | Brown-headed Spider Monkey | Ateles fusciceps | Mammals |
| 303. | Browneopsis macrofoliolata | Browneopsis macrofoliolata | Plants |
| 304. | Browneopsis disepala | Browneopsis disepala | Plants |
| 305. | Brugmansia versicolor | Brugmansia versicolor | Plants |
| 306. | Brugmansia longifolia | Brugmansia longifolia | Plants |
| 307. | Brugmansia aurea | Brugmansia aurea | Plants |
| 308. | Brunellia cayambensis | Brunellia cayambensis | Plants |
| 309. | Brunellia acostae | Brunellia acostae | Plants |
| 310. | Brunellia zamorensis | Brunellia zamorensis | Plants |
| 311. | Brunellia pauciflora | Brunellia pauciflora | Plants |
| 312. | Brunellia ovalifolia | Brunellia ovalifolia | Plants |
| 313. | Brunellia ecuadoriensis | Brunellia ecuadoriensis | Plants |
| 314. | Buckley's Giant Glass Frog | Centrolene buckleyi | Amphibians |
| 315. | Bucquetia nigritella | Bucquetia nigritella | Plants |
| 316. | Buddleja ibarrensis | Buddleja ibarrensis | Plants |
| 317. | Buddleja lojensis | Buddleja lojensis | Plants |
| 318. | Buddleja lanata | Buddleja lanata | Plants |
| 319. | Buddleja jamesonii | Buddleja jamesonii | Plants |
| 320. | Buff-breasted Sandpiper | Tryngites subruficollis | Birds |
| 321. | Buff-throated Tody-tyrant | Hemitriccus rufigularis | Birds |
| 322. | Buller's Shearwater | Puffinus bulleri | Birds |
| 323. | Bullseye Electric Ray | Diplobatus ommata | Fishes |
| 324. | Bunchosia cauliflora | Bunchosia cauliflora | Plants |
| 325. | Burmeistera domingensis | Burmeistera domingensis | Plants |
| 326. | Burmeistera racemiflora | Burmeistera racemiflora | Plants |
| 327. | Burmeistera cylindrocarpa | Burmeistera cylindrocarpa | Plants |
| 328. | Burmeistera oyacachensis | Burmeistera oyacachensis | Plants |
| 329. | Burmeistera cuyujensis | Burmeistera cuyujensis | Plants |
| 330. | Burmeistera oblongifolia | Burmeistera oblongifolia | Plants |
| 331. | Burmeistera crispiloba | Burmeistera crispiloba | Plants |
| 332. | Burmeistera loejtnantii | Burmeistera loejtnantii | Plants |
| 333. | Burmeistera truncata | Burmeistera truncata | Plants |
| 334. | Burmeistera brachyandra | Burmeistera brachyandra | Plants |
| 335. | Burmeistera ignimontis | Burmeistera ignimontis | Plants |
| 336. | Burmeistera rubrosepala | Burmeistera rubrosepala | Plants |
| 337. | Burmeistera asplundii | Burmeistera asplundii | Plants |
| 338. | Burmeistera huacamayensis | Burmeistera huacamayensis | Plants |
| 339. | Burmeistera resupinata | Burmeistera resupinata | Plants |
| 340. | Burmeistera anderssonii | Burmeistera anderssonii | Plants |
| 341. | Burmeistera holm-nielsenii | Burmeistera holm-nielsenii | Plants |
| 342. | Burmeistera refracta | Burmeistera refracta | Plants |
| 343. | Burrowes' Giant Glass Frog | Centrolene ballux | Amphibians |
| 344. | Bursera malacophylla | Bursera malacophylla | Plants |
| 345. | Bush Dog | Speothos venaticus | Mammals |
| 346. | Bushmint | Hyptis argutifolia | Plants |
| 347. | Bushmint | Hyptis pseudoglauca | Plants |
| 348. | Bushmint | Hyptis florida | Plants |
| 349. | Bushmint | Hyptis diversifolia | Plants |
| 350. | Byttneria loxensis | Byttneria loxensis | Plants |
| 351. | Byttneria jaramilloana | Byttneria jaramilloana | Plants |
| 352. | Byttneria flexuosa | Byttneria flexuosa | Plants |
| 353. | Byttneria asplundii | Byttneria asplundii | Plants |
| 354. | Byttneria sparrei | Byttneria sparrei | Plants |
| 355. | Byttneria obtusata | Byttneria obtusata | Plants |
| 356. | Byttneria minytricha | Byttneria minytricha | Plants |
| 357. | Cacosmia hieronymi | Cacosmia hieronymi | Plants |
| 358. | Cacosmia harlingii | Cacosmia harlingii | Plants |
| 359. | Calamagrostis brevipaleata | Calamagrostis brevipaleata | Plants |
| 360. | Calamagrostis aurea | Calamagrostis aurea | Plants |
| 361. | Calamagrostis teretifolia | Calamagrostis teretifolia | Plants |
| 362. | Calamagrostis steyermarkii | Calamagrostis steyermarkii | Plants |
| 363. | Calamagrostis llanganatensis | Calamagrostis llanganatensis | Plants |
| 364. | Calamagrostis hirta | Calamagrostis hirta | Plants |
| 365. | Calamagrostis fulgida | Calamagrostis fulgida | Plants |
| 366. | Calamagrostis carchiensis | Calamagrostis carchiensis | Plants |
| 367. | Calathea anulque | Calathea anulque | Plants |
| 368. | Calathea hagbergii | Calathea hagbergii | Plants |
| 369. | Calathea paucifolia | Calathea paucifolia | Plants |
| 370. | Calathea gandersii | Calathea gandersii | Plants |
| 371. | Calathea pallidicosta | Calathea pallidicosta | Plants |
| 372. | Calathea veitchiana | Calathea veitchiana | Plants |
| 373. | Calathea ecuadoriana | Calathea ecuadoriana | Plants |
| 374. | Calathea multicinta | Calathea multicinta | Plants |
| 375. | Calathea utilis | Calathea utilis | Plants |
| 376. | Calathea dodsonii | Calathea dodsonii | Plants |
| 377. | Calathea libbyana | Calathea libbyana | Plants |
| 378. | Calathea roseobracteata | Calathea roseobracteata | Plants |
| 379. | Calathea curaraya | Calathea curaraya | Plants |
| 380. | Calathea latrinotecta | Calathea latrinotecta | Plants |
| 381. | Calathea plurispicata | Calathea plurispicata | Plants |
| 382. | Calathea congesta | Calathea congesta | Plants |
| 383. | Calathea lanicaulis | Calathea lanicaulis | Plants |
| 384. | Calathea pluriplicata | Calathea pluriplicata | Plants |
| 385. | Calathea chimboracensis | Calathea chimboracensis | Plants |
| 386. | Calathea ischnosiphonoides | Calathea ischnosiphonoides | Plants |
| 387. | Calathea petersenii | Calathea petersenii | Plants |
| 388. | Calea harlingii | Calea harlingii | Plants |
| 389. | Calea kingii | Calea kingii | Plants |
| 390. | Calea huigrensis | Calea huigrensis | Plants |
| 391. | Calliandra glyphoxylon | Calliandra glyphoxylon | Plants |
| 392. | Cannatella's Plump Toad | Osornophryne talipes | Amphibians |
| 393. | Caper Shrub | Capparis heterophylla | Plants |
| 394. | Carapa megistocarpa | Carapa megistocarpa | Plants |
| 395. | Carchi Andes Frog | Hypodactylus brunneus | Amphibians |
| 396. | Carchi Andes Toad | Andinophryne colomai | Amphibians |
| 397. | Carchi Rocket Frog | Hyloxalus delatorreae | Amphibians |
| 398. | Cardamine lojanensis | Cardamine lojanensis | Plants |
| 399. | Carex toreadora | Carex toreadora | Plants |
| 400. | Carex tessellata | Carex tessellata | Plants |
| 401. | Carex lepida | Carex lepida | Plants |
| 402. | Carex azuayae | Carex azuayae | Plants |
| 403. | Carica horovitziana | Carica horovitziana | Plants |
| 404. | Carica sprucei | Carica sprucei | Plants |
| 405. | Carica pulchra | Carica pulchra | Plants |
| 406. | Carica palandensis | Carica palandensis | Plants |
| 407. | Carica omnilingua | Carica omnilingua | Plants |
| 408. | Carlowrightia ecuadoriana | Carlowrightia ecuadoriana | Plants |
| 409. | Casearia mexiae | Casearia mexiae | Plants |
| 410. | Castilleja ecuadorensis | Castilleja ecuadorensis | Plants |
| 411. | Cauliflower Coral | Pocillopora inflata | Corals, Jellyfish, and Sea Anemones |
| 412. | Cauliflower Coral | Pocillopora eydouxi | Corals, Jellyfish, and Sea Anemones |
| 413. | Cauliflower Coral | Pocillopora elegans | Corals, Jellyfish, and Sea Anemones |
| 414. | Cecropia velutinella | Cecropia velutinella | Plants |
| 415. | Cecropia pastasana | Cecropia pastasana | Plants |
| 416. | Cecropia maxima | Cecropia maxima | Plants |
| 417. | Cedro Misionero | Cedrela fissilis | Plants |
| 418. | Central American Tapir | Tapirus bairdii | Mammals |
| 419. | Centrolene mariaelenae | Centrolene mariaelenae | Amphibians |
| 420. | Centropogon zamorensis | Centropogon zamorensis | Plants |
| 421. | Centropogon balslevii | Centropogon balslevii | Plants |
| 422. | Centropogon erythraeus | Centropogon erythraeus | Plants |
| 423. | Centropogon licayensis | Centropogon licayensis | Plants |
| 424. | Centropogon pilalensis | Centropogon pilalensis | Plants |
| 425. | Centropogon solisii | Centropogon solisii | Plants |
| 426. | Centropogon ursinus | Centropogon ursinus | Plants |
| 427. | Centropogon baezanus | Centropogon baezanus | Plants |
| 428. | Centropogon dissectus | Centropogon dissectus | Plants |
| 429. | Centropogon jeppesenii | Centropogon jeppesenii | Plants |
| 430. | Centropogon phoeniceus | Centropogon phoeniceus | Plants |
| 431. | Centropogon sodiroanus | Centropogon sodiroanus | Plants |
| 432. | Centropogon uncinatus | Centropogon uncinatus | Plants |
| 433. | Centropogon azuayensis | Centropogon azuayensis | Plants |
| 434. | Centropogon comosus | Centropogon comosus | Plants |
| 435. | Centropogon hirtiflorus | Centropogon hirtiflorus | Plants |
| 436. | Centropogon parviflorus | Centropogon parviflorus | Plants |
| 437. | Centropogon saltuum | Centropogon saltuum | Plants |
| 438. | Centropogon trichodes | Centropogon trichodes | Plants |
| 439. | Centropogon arcuatus | Centropogon arcuatus | Plants |
| 440. | Centropogon chontalensis | Centropogon chontalensis | Plants |
| 441. | Centropogon heteropilis | Centropogon heteropilis | Plants |
| 442. | Centropogon papillosus | Centropogon papillosus | Plants |
| 443. | Centropogon rubrodentatus | Centropogon rubrodentatus | Plants |
| 444. | Centropogon trachyanthus | Centropogon trachyanthus | Plants |
| 445. | Centropogon albostellatus | Centropogon albostellatus | Plants |
| 446. | Centropogon chiltasonensis | Centropogon chiltasonensis | Plants |
| 447. | Centropogon hartwegii | Centropogon hartwegii | Plants |
| 448. | Centropogon occultus | Centropogon occultus | Plants |
| 449. | Centropogon rubiginosus | Centropogon rubiginosus | Plants |
| 450. | Centropogon subandinus | Centropogon subandinus | Plants |
| 451. | Centropogon aequatorialis | Centropogon aequatorialis | Plants |
| 452. | Centropogon cazaletii | Centropogon cazaletii | Plants |
| 453. | Centropogon fimbriatulus | Centropogon fimbriatulus | Plants |
| 454. | Centropogon medusa | Centropogon medusa | Plants |
| 455. | Centropogon rimbachii | Centropogon rimbachii | Plants |
| 456. | Centropogon steyermarkii | Centropogon steyermarkii | Plants |
| 457. | Centropogon brachysiphoniatus | Centropogon brachysiphoniatus | Plants |
| 458. | Centropogon eurystomus | Centropogon eurystomus | Plants |
| 459. | Centropogon llanganatensis | Centropogon llanganatensis | Plants |
| 460. | Centropogon quebradanus | Centropogon quebradanus | Plants |
| 461. | Centropogon steinii | Centropogon steinii | Plants |
| 462. | Ceradenia semiadnata | Ceradenia semiadnata | Plants |
| 463. | Ceradenia melanopus | Ceradenia melanopus | Plants |
| 464. | Cerulean Warbler | Dendroica cerulea | Birds |
| 465. | Cestrum tipocochense | Cestrum tipocochense | Plants |
| 466. | Cestrum dielsii | Cestrum dielsii | Plants |
| 467. | Cestrum chimborazinum | Cestrum chimborazinum | Plants |
| 468. | Chestnut-bellied Cotinga | Doliornis remseni | Birds |
| 469. | Chestnut-throated Spinetail | Synallaxis cherriei | Birds |
| 470. | Chilean Flamingo | Phoenicopterus chilensis | Birds |
| 471. | Chimbo Rocket Frog | Hyloxalus infraguttatus | Amphibians |
| 472. | Chimborazoa lachnocarpa | Chimborazoa lachnocarpa | Plants |
| 473. | Chlorospatha cutucuensis | Chlorospatha cutucuensis | Plants |
| 474. | Chlorospatha castula | Chlorospatha castula | Plants |
| 475. | Chlorospatha besseae | Chlorospatha besseae | Plants |
| 476. | Chlorospatha ilensis | Chlorospatha ilensis | Plants |
| 477. | Choco Broad-nosed Bat | Platyrrhinus chocoensis | Mammals |
| 478. | Choco Poorwill | Nyctiphrynus rosenbergi | Birds |
| 479. | Choco Toad | Rhaebo hypomelas | Amphibians |
| 480. | Choco Woodpecker | Veniliornis chocoensis | Birds |
| 481. | Chuquiraga arcuata | Chuquiraga arcuata | Plants |
| 482. | Chusquea falcata | Chusquea falcata | Plants |
| 483. | Chusquea maclurei | Chusquea maclurei | Plants |
| 484. | Chusquea loxensis | Chusquea loxensis | Plants |
| 485. | Chusquea leonardiorum | Chusquea leonardiorum | Plants |
| 486. | Cigar-box Wood | Cedrela odorata | Plants |
| 487. | Cinchona mutisii | Cinchona mutisii | Plants |
| 488. | Cinchona lucumifolia | Cinchona lucumifolia | Plants |
| 489. | Cinchona capuli | Cinchona capuli | Plants |
| 490. | Cinchona rugosa | Cinchona rugosa | Plants |
| 491. | Cinnamon-breasted Tody-tyrant | Hemitriccus cinnamomeipectus | Birds |
| 492. | Citharexylum rimbachii | Citharexylum rimbachii | Plants |
| 493. | Citharexylum quitense | Citharexylum quitense | Plants |
| 494. | Citharexylum lojense | Citharexylum lojense | Plants |
| 495. | Citharexylum grandiflorum | Citharexylum grandiflorum | Plants |
| 496. | Citharexylum gentryi | Citharexylum gentryi | Plants |
| 497. | Citharexylum svensonii | Citharexylum svensonii | Plants |
| 498. | Clavija subandina | Clavija subandina | Plants |
| 499. | Clavija repanda | Clavija repanda | Plants |
| 500. | Clavija pungens | Clavija pungens | Plants |
| 501. | Clavija parvula | Clavija parvula | Plants |
| 502. | Clethra parallelinervia | Clethra parallelinervia | Plants |
| 503. | Clethra crispa | Clethra crispa | Plants |
| 504. | Clibadium rhytidophyllum | Clibadium rhytidophyllum | Plants |
| 505. | Clibadium pastazense | Clibadium pastazense | Plants |
| 506. | Clibadium napoense | Clibadium napoense | Plants |
| 507. | Clibadium mexiae | Clibadium mexiae | Plants |
| 508. | Clibadium manabiense | Clibadium manabiense | Plants |
| 509. | Clibadium zakii | Clibadium zakii | Plants |
| 510. | Clibadium harlingii | Clibadium harlingii | Plants |
| 511. | Clibadium websteri | Clibadium websteri | Plants |
| 512. | Clibadium alatum | Clibadium alatum | Plants |
| 513. | Clibadium sprucei | Clibadium sprucei | Plants |
| 514. | Clidemia campii | Clidemia campii | Plants |
| 515. | Clidemia asplundii | Clidemia asplundii | Plants |
| 516. | Clidemia purpurea | Clidemia purpurea | Plants |
| 517. | Clidemia acostae | Clidemia acostae | Plants |
| 518. | Clidemia longipedunculata | Clidemia longipedunculata | Plants |
| 519. | Clidemia ablusa | Clidemia ablusa | Plants |
| 520. | Clidemia imparilis | Clidemia imparilis | Plants |
| 521. | Clidemia ecuadorensis | Clidemia ecuadorensis | Plants |
| 522. | Clidemia cutucuensis | Clidemia cutucuensis | Plants |
| 523. | Clidemia caudata | Clidemia caudata | Plants |
| 524. | Clinopodium mutabile | Clinopodium mutabile | Plants |
| 525. | Clitoria andrei | Clitoria andrei | Plants |
| 526. | Clitoria brachystegia | Clitoria brachystegia | Plants |
| 527. | Cloud-forest Pygmy-owl | Glaucidium nubicola | Birds |
| 528. | Clubmoss | Huperzia loxensis | Plants |
| 529. | Clubmoss | Huperzia hastata | Plants |
| 530. | Clusia skotaster | Clusia skotaster | Plants |
| 531. | Clusia polystigma | Clusia polystigma | Plants |
| 532. | Clusia plurivalvis | Clusia plurivalvis | Plants |
| 533. | Cnidoscolus rangel | Cnidoscolus rangel | Plants |
| 534. | Cnidoscolus matosii | Cnidoscolus matosii | Plants |
| 535. | Coastal Ecuador Smoky Jungle Frog | Leptodactylus peritoaktites | Amphibians |
| 536. | Cobaea campanulata | Cobaea campanulata | Plants |
| 537. | Cobaea aequatoriensis | Cobaea aequatoriensis | Plants |
| 538. | Cocha Antshrike | Thamnophilus praecox | Birds |
| 539. | Cochran Frog | Nymphargus anomalus | Amphibians |
| 540. | Cochran Frog | Nymphargus siren | Amphibians |
| 541. | Cochran Frog | Nymphargus posadae | Amphibians |
| 542. | Cochran Frog | Nymphargus megacheirus | Amphibians |
| 543. | Cochran Frog | Nymphargus laurae | Amphibians |
| 544. | Cochran Frog | Nymphargus griffithsi | Amphibians |
| 545. | Cochran Frog | Nymphargus cochranae | Amphibians |
| 546. | Colignonia pentoptera | Colignonia pentoptera | Plants |
| 547. | Collins' Poison Frog | Ranitomeya abdita | Amphibians |
| 548. | Colombian Giant Toad | Rhaebo blombergi | Amphibians |
| 549. | Colombian Night Monkey | Aotus lemurinus | Mammals |
| 550. | Colombian Screech-owl | Megascops colombianus | Birds |
| 551. | Colombian Walnut | Juglans neotropica | Plants |
| 552. | Colombian Weasel | Mustela felipei | Mammals |
| 553. | Colorado Grouper | Mycteroperca olfax | Fishes |
| 554. | Colostethus awa | Hyloxalus awa | Amphibians |
| 555. | Common Sawfish | Pristis pristis | Fishes |
| 556. | Common Woolly Monkey | Lagothrix lagotricha | Mammals |
| 557. | Connarus ecuadorensis | Connarus ecuadorensis | Plants |
| 558. | Coppery-chested Jacamar | Galbula pastazae | Birds |
| 559. | Coralberry | Ardisia flavida | Plants |
| 560. | Coralberry | Ardisia carchiana | Plants |
| 561. | Coralberry | Ardisia zakii | Plants |
| 562. | Coralberry | Ardisia websterii | Plants |
| 563. | Coralberry | Ardisia premontana | Plants |
| 564. | Cordia scouleri | Cordia scouleri | Plants |
| 565. | Cordia rosei | Cordia rosei | Plants |
| 566. | Cordillera Central Treefrog | Hyloscirtus larinopygion | Amphibians |
| 567. | Corytoplectus cutucuensis | Corytoplectus cutucuensis | Plants |
| 568. | Costus zamoranus | Costus zamoranus | Plants |
| 569. | Costus geothyrsus | Costus geothyrsus | Plants |
| 570. | Cotopaxia asplundii | Cotopaxia asplundii | Plants |
| 571. | Couepia recurva | Couepia recurva | Plants |
| 572. | Cougar  | Puma concolor | Mammals |
| 573. | Coursetia gracilis | Coursetia gracilis | Plants |
| 574. | Coursetia dubia | Coursetia dubia | Plants |
| 575. | Coussapoa jatun-sachensis | Coussapoa jatun-sachensis | Plants |
| 576. | Coussarea spiciformis | Coussarea spiciformis | Plants |
| 577. | Coussarea pilosiflora | Coussarea pilosiflora | Plants |
| 578. | Coussarea ecuadorensis | Coussarea ecuadorensis | Plants |
| 579. | Coussarea dulcifolia | Coussarea dulcifolia | Plants |
| 580. | Coussarea cephaeloides | Coussarea cephaeloides | Plants |
| 581. | Coyote Bush | Baccharis arbutifolia | Plants |
| 582. | Coyote Bush | Baccharis klattii | Plants |
| 583. | Coyote Bush | Baccharis huairacajensis | Plants |
| 584. | Coyote Bush | Baccharis hieronymi | Plants |
| 585. | Coyote Bush | Baccharis hambatensis | Plants |
| 586. | Coyote Bush | Baccharis fusca | Plants |
| 587. | Coyote Bush | Baccharis aretioides | Plants |
| 588. | Crab-eating Rat | Ichthyomys hydrobates | Mammals |
| 589. | Cremosperma auriculatum | Cremosperma auriculatum | Plants |
| 590. | Cremosperma reldioides | Cremosperma reldioides | Plants |
| 591. | Cremosperma ecudoranum | Cremosperma ecudoranum | Plants |
| 592. | Crescent-faced Antpitta | Grallaricula lineifrons | Birds |
| 593. | Critonia eggersii | Critonia eggersii | Plants |
| 594. | Critoniopsis harlingii | Critoniopsis harlingii | Plants |
| 595. | Critoniopsis dorrii | Critoniopsis dorrii | Plants |
| 596. | Critoniopsis yamboyensis | Critoniopsis yamboyensis | Plants |
| 597. | Critoniopsis cotopaxensis | Critoniopsis cotopaxensis | Plants |
| 598. | Critoniopsis tungurahuae | Critoniopsis tungurahuae | Plants |
| 599. | Critoniopsis sodiroi | Critoniopsis sodiroi | Plants |
| 600. | Critoniopsis sevillana | Critoniopsis sevillana | Plants |
| 601. | Critoniopsis palaciosii | Critoniopsis palaciosii | Plants |
| 602. | Critoniopsis jaramilloi | Critoniopsis jaramilloi | Plants |
| 603. | Cronquistianthus bulliferus | Cronquistianthus bulliferus | Plants |
| 604. | Cronquistianthus rosei | Cronquistianthus rosei | Plants |
| 605. | Cronquistianthus origanoides | Cronquistianthus origanoides | Plants |
| 606. | Cronquistianthus niveus | Cronquistianthus niveus | Plants |
| 607. | Cronquistianthus loxensis | Cronquistianthus loxensis | Plants |
| 608. | Crossothamnus gentryi | Crossothamnus gentryi | Plants |
| 609. | Crown Shark | Sphyrna corona | Fishes |
| 610. | Ctenitis pallatangana | Ctenitis pallatangana | Plants |
| 611. | Cuatrecasanthus flexipappus | Cuatrecasanthus flexipappus | Plants |
| 612. | Cuatresia harlingiana | Cuatresia harlingiana | Plants |
| 613. | Cucurbita ecuadorensis | Cucurbita ecuadorensis | Plants |
| 614. | Cupania riopalenquensis | Cupania riopalenquensis | Plants |
| 615. | Cuscuta prismatica | Cuscuta prismatica | Plants |
| 616. | Cuyuja Robber Frog | Hypodactylus elassodiscus | Amphibians |
| 617. | Cyathea bipinnata | Cyathea bipinnata | Plants |
| 618. | Cyathea punctata | Cyathea punctata | Plants |
| 619. | Cyathea palaciosii | Cyathea palaciosii | Plants |
| 620. | Cyathea hemiepiphytica | Cyathea hemiepiphytica | Plants |
| 621. | Cyathea heliophila | Cyathea heliophila | Plants |
| 622. | Cyathea halonata | Cyathea halonata | Plants |
| 623. | Cyathea corallifera | Cyathea corallifera | Plants |
| 624. | Cynanchum anderssonii | Cynanchum anderssonii | Plants |
| 625. | Cynanchum erikseniae | Cynanchum erikseniae | Plants |
| 626. | Cynanchum quitense | Cynanchum quitense | Plants |
| 627. | Cynanchum ellemannii | Cynanchum ellemannii | Plants |
| 628. | Cynanchum nielsenii | Cynanchum nielsenii | Plants |
| 629. | Cynanchum densiflorum | Cynanchum densiflorum | Plants |
| 630. | Cynanchum longecalicinum | Cynanchum longecalicinum | Plants |
| 631. | Cynanchum chimboracense | Cynanchum chimboracense | Plants |
| 632. | Cynanchum jaramilloi | Cynanchum jaramilloi | Plants |
| 633. | Cynanchum velutinum | Cynanchum velutinum | Plants |
| 634. | Cynanchum chanchanense | Cynanchum chanchanense | Plants |
| 635. | Cynanchum intricatum | Cynanchum intricatum | Plants |
| 636. | Cynanchum stenospira | Cynanchum stenospira | Plants |
| 637. | Cynanchum campii | Cynanchum campii | Plants |
| 638. | Cynanchum harlingii | Cynanchum harlingii | Plants |
| 639. | Cynanchum spruceanum | Cynanchum spruceanum | Plants |
| 640. | Cynanchum bifidum | Cynanchum bifidum | Plants |
| 641. | Cynanchum fasciculiflorum | Cynanchum fasciculiflorum | Plants |
| 642. | Cynanchum serpyllifolium | Cynanchum serpyllifolium | Plants |
| 643. | Cyperus multifolius | Cyperus multifolius | Plants |
| 644. | Dalea humifosa | Dalea humifosa | Plants |
| 645. | Dalea chrysophylla | Dalea chrysophylla | Plants |
| 646. | Dalea jamesonii | Dalea jamesonii | Plants |
| 647. | Daniellia oblonga | Daniellia oblonga | Plants |
| 648. | Danthonia holm-nielsenii | Danthonia holm-nielsenii | Plants |
| 649. | Daphnopsis occulta | Daphnopsis occulta | Plants |
| 650. | Daphnopsis macrophylla | Daphnopsis macrophylla | Plants |
| 651. | Daphnopsis grandis | Daphnopsis grandis | Plants |
| 652. | Daphnopsis equatorialsis | Daphnopsis equatorialsis | Plants |
| 653. | Dark-backed Wood-quail | Odontophorus melanonotus | Birds |
| 654. | Darwiniothamnus alternifolius | Darwiniothamnus alternifolius | Plants |
| 655. | Dasphyllum lehmannii | Dasphyllum lehmannii | Plants |
| 656. | Dasphyllum argenteum | Dasphyllum argenteum | Plants |
| 657. | Dendrophorbium gesnerifolium | Dendrophorbium gesnerifolium | Plants |
| 658. | Dendrophorbium tipocochensis | Dendrophorbium tipocochensis | Plants |
| 659. | Dendrophorbium dodsonii | Dendrophorbium dodsonii | Plants |
| 660. | Dendrophorbium solisii | Dendrophorbium solisii | Plants |
| 661. | Dendrophorbium balsapampae | Dendrophorbium balsapampae | Plants |
| 662. | Dendrophorbium scytophyllum | Dendrophorbium scytophyllum | Plants |
| 663. | Dendrophorbium angelense | Dendrophorbium angelense | Plants |
| 664. | Dendrophorbium pururu | Dendrophorbium pururu | Plants |
| 665. | Dendrophorbium amplexicaule | Dendrophorbium amplexicaule | Plants |
| 666. | Dendrophorbium pericaule | Dendrophorbium pericaule | Plants |
| 667. | Dendrophorbium onae | Dendrophorbium onae | Plants |
| 668. | Dendrophorbium ingens | Dendrophorbium ingens | Plants |
| 669. | Dendrophthora sumacoi | Dendrophthora sumacoi | Plants |
| 670. | Dendrophthora polyantha | Dendrophthora polyantha | Plants |
| 671. | Dendrophthora ovata | Dendrophthora ovata | Plants |
| 672. | Dendrophthora fastigiata | Dendrophthora fastigiata | Plants |
| 673. | Dendrophthora dalstroemii | Dendrophthora dalstroemii | Plants |
| 674. | Dendrophthora variabilis | Dendrophthora variabilis | Plants |
| 675. | Dendrophthora capillaris | Dendrophthora capillaris | Plants |
| 676. | Dendrophthora thomasii | Dendrophthora thomasii | Plants |
| 677. | Dendrophthora bulbifera | Dendrophthora bulbifera | Plants |
| 678. | Dendrophthora tenuifolia | Dendrophthora tenuifolia | Plants |
| 679. | Dendropsophus gryllatus | Dendropsophus gryllatus | Amphibians |
| 680. | Dennstaedtia tryoniana | Dennstaedtia tryoniana | Plants |
| 681. | Dennstaedtia paucirrhiza | Dennstaedtia paucirrhiza | Plants |
| 682. | Dennstaedtia macrosora | Dennstaedtia macrosora | Plants |
| 683. | Deprea ecuatoriana | Deprea ecuatoriana | Plants |
| 684. | Devil Fish | Manta birostris | Fishes |
| 685. | Diastema incisum | Diastema incisum | Plants |
| 686. | Diastema gymnoleuca | Diastema gymnoleuca | Plants |
| 687. | Dichapetalum asplundeanum | Dichapetalum asplundeanum | Plants |
| 688. | Dicliptera pilosa | Dicliptera pilosa | Plants |
| 689. | Dicliptera dodsonii | Dicliptera dodsonii | Plants |
| 690. | Dicranopygium euryphyllum | Dicranopygium euryphyllum | Plants |
| 691. | Dicranopygium coma-pyrrhae | Dicranopygium coma-pyrrhae | Plants |
| 692. | Dicranopygium campii | Dicranopygium campii | Plants |
| 693. | Dictyota galapagensis | Dictyota galapagensis | Plants |
| 694. | Dioscorea rosei | Dioscorea rosei | Plants |
| 695. | Dioscorea rimbachii | Dioscorea rimbachii | Plants |
| 696. | Dioscorea choriandra | Dioscorea choriandra | Plants |
| 697. | Dioscorea chimborazensis | Dioscorea chimborazensis | Plants |
| 698. | Diospyros tero | Diospyros tero | Plants |
| 699. | Diospyros esmereg | Diospyros esmereg | Plants |
| 700. | Diplazium vesiculosum | Diplazium vesiculosum | Plants |
| 701. | Diplazium hieronymi | Diplazium hieronymi | Plants |
| 702. | Diplazium avitaguense | Diplazium avitaguense | Plants |
| 703. | Diplostephium juniperinum | Diplostephium juniperinum | Plants |
| 704. | Diplostephium crypteriophyllum | Diplostephium crypteriophyllum | Plants |
| 705. | Diplostephium ramiglabrum | Diplostephium ramiglabrum | Plants |
| 706. | Disciphania inversa | Disciphania inversa | Plants |
| 707. | Ditaxis macrantha | Ditaxis macrantha | Plants |
| 708. | Draba violacea | Draba violacea | Plants |
| 709. | Draba extensa | Draba extensa | Plants |
| 710. | Draba ecuadoriana | Draba ecuadoriana | Plants |
| 711. | Draba aretioides | Draba aretioides | Plants |
| 712. | Dracontium croatii | Dracontium croatii | Plants |
| 713. | Drymaria stellarioides | Drymaria stellarioides | Plants |
| 714. | Drymonia utuanensis | Drymonia utuanensis | Plants |
| 715. | Drymonia rhodoloma | Drymonia rhodoloma | Plants |
| 716. | Drymonia laciniosa | Drymonia laciniosa | Plants |
| 717. | Drymonia ecuadorensis | Drymonia ecuadorensis | Plants |
| 718. | Duguetia peruviana | Duguetia peruviana | Plants |
| 719. | Dwarf Gentian | Gentianella androsacea | Plants |
| 720. | Dwarf Gentian | Gentianella polyantha | Plants |
| 721. | Dwarf Gentian | Gentianella longibarbata | Plants |
| 722. | Dwarf Gentian | Gentianella jamesonii | Plants |
| 723. | Dwarf Gentian | Gentianella hirculus | Plants |
| 724. | Dwarf Gentian | Gentianella gracilis | Plants |
| 725. | Dwarf Gentian | Gentianella fuscicaulis | Plants |
| 726. | Dwarf Gentian | Gentianella flaviflora | Plants |
| 727. | Dwarf Red Brocket Deer | Mazama rufina | Mammals |
| 728. | Ecnomiohyla phantasmagoria | Ecnomiohyla phantasmagoria | Amphibians |
| 729. | Ecuadendron acosta-solisianum | Ecuadendron acosta-solisianum | Plants |
| 730. | Ecuador Horned Treefrog | Hemiphractus bubalus | Amphibians |
| 731. | Ecuador Leaf Frog | Noblella lochites | Amphibians |
| 732. | Ecuadoran Spiny Pocket Mouse | Heteromys teleus | Mammals |
| 733. | Ecuadorean Grass Mouse | Akodon latebricola | Mammals |
| 734. | Ecuadorian Blue Glass Frog | Cochranella mache | Amphibians |
| 735. | Ecuadorian Piedtail | Phlogophilus hemileucurus | Birds |
| 736. | Ecuadorian Sac-winged Bat | Balantiopteryx infusca | Mammals |
| 737. | Ecuadorian Tapaculo | Scytalopus robbinsi | Birds |
| 738. | Egletes humifusa | Egletes humifusa | Plants |
| 739. | El Oro Parakeet | Pyrrhura orcesi | Birds |
| 740. | El Pepino Treefrog | Hyloscirtus torrenticola | Amphibians |
| 741. | Elaphandra retroflexa | Elaphandra retroflexa | Plants |
| 742. | Elaphandra paucipunctata | Elaphandra paucipunctata | Plants |
| 743. | Elegant Stubfoot Toad | Atelopus elegans | Amphibians |
| 744. | Elegant Tern | Sterna elegans | Birds |
| 745. | Equatorial Dog-faced Bat | Molossops aequatorianus | Mammals |
| 746. | Equatorial Graytail | Xenerpestes singularis | Birds |
| 747. | Erigeron adscendens | Erigeron adscendens | Plants |
| 748. | Erigeron pauper | Erigeron pauper | Plants |
| 749. | Erythrochiton giganteus | Erythrochiton giganteus | Plants |
| 750. | Erythroxylum ruizii | Erythroxylum ruizii | Plants |
| 751. | Esmeraldas Woodstar | Chaetocercus berlepschi | Birds |
| 752. | Espada's Rocket Frog | Hyloxalus pulchellus | Amphibians |
| 753. | Espanola Mockingbird | Mimus macdonaldi | Birds |
| 754. | Eucharis astrophiala | Eucharis astrophiala | Plants |
| 755. | Eucrosia aurantiaca | Eucrosia aurantiaca | Plants |
| 756. | Eudema nubigena | Eudema nubigena | Plants |
| 757. | Eugenia pustulescens | Eugenia pustulescens | Plants |
| 758. | Eugenia guayaquilensis | Eugenia guayaquilensis | Plants |
| 759. | Eugenia albida | Eugenia albida | Plants |
| 760. | Euphorbia quitensis | Euphorbia quitensis | Plants |
| 761. | Fernandina Galapagos Mouse | Nesoryzomys fernandinae | Mammals |
| 762. | Fernandina Island Galapagos Mouse | Nesoryzomys narboroughi | Mammals |
| 763. | Festuca densipaniculata | Festuca densipaniculata | Plants |
| 764. | Fiddlefish | Rhinobatos leucorhynchus | Fishes |
| 765. | Fiery-throated Fruiteater | Pipreola chlorolepidota | Birds |
| 766. | Filmy Fern | Hymenophyllum tenerum | Plants |
| 767. | Filmy Fern | Hymenophyllum nanum | Plants |
| 768. | Filmy Fern | Hymenophyllum megistocarpum | Plants |
| 769. | Filmy Fern | Hymenophyllum helicoideum | Plants |
| 770. | Filmy Fern | Hymenophyllum contractile | Plants |
| 771. | Fissidens hydropogon | Fissidens hydropogon | Plants |
| 772. | Flamingo Flower | Anthurium cutucuense | Plants |
| 773. | Flamingo Flower | Anthurium grex-avium | Plants |
| 774. | Flamingo Flower | Anthurium lennartii | Plants |
| 775. | Flamingo Flower | Anthurium miniatum | Plants |
| 776. | Flamingo Flower | Anthurium polystictum | Plants |
| 777. | Flamingo Flower | Anthurium subcoerulescens | Plants |
| 778. | Flamingo Flower | Anthurium bucayanum | Plants |
| 779. | Flamingo Flower | Anthurium curtispadix | Plants |
| 780. | Flamingo Flower | Anthurium furcatum | Plants |
| 781. | Flamingo Flower | Anthurium jimenae | Plants |
| 782. | Flamingo Flower | Anthurium manabianum | Plants |
| 783. | Flamingo Flower | Anthurium pichinchae | Plants |
| 784. | Flamingo Flower | Anthurium sparreorum | Plants |
| 785. | Flamingo Flower | Anthurium balslevii | Plants |
| 786. | Flamingo Flower | Anthurium coerulescens | Plants |
| 787. | Flamingo Flower | Anthurium falcatum | Plants |
| 788. | Flamingo Flower | Anthurium jaramilloi | Plants |
| 789. | Flamingo Flower | Anthurium magnifolium | Plants |
| 790. | Flamingo Flower | Anthurium pedunculare | Plants |
| 791. | Flamingo Flower | Anthurium silanchense | Plants |
| 792. | Flamingo Flower | Anthurium auritum | Plants |
| 793. | Flamingo Flower | Anthurium ceratiinum | Plants |
| 794. | Flamingo Flower | Anthurium esmeraldense | Plants |
| 795. | Flamingo Flower | Anthurium holm-nielsenii | Plants |
| 796. | Flamingo Flower | Anthurium maculosum | Plants |
| 797. | Flamingo Flower | Anthurium pallatangense | Plants |
| 798. | Flamingo Flower | Anthurium scaberulum | Plants |
| 799. | Flamingo Flower | Anthurium tenuifolium | Plants |
| 800. | Flamingo Flower | Anthurium aristatum | Plants |
| 801. | Flamingo Flower | Anthurium campii | Plants |
| 802. | Flamingo Flower | Anthurium eggersii | Plants |
| 803. | Flamingo Flower | Anthurium hieronymi | Plants |
| 804. | Flamingo Flower | Anthurium linguifolium | Plants |
| 805. | Flamingo Flower | Anthurium oxyphyllum | Plants |
| 806. | Flamingo Flower | Anthurium saccardoi | Plants |
| 807. | Flamingo Flower | Anthurium tenuicaule | Plants |
| 808. | Flamingo Flower | Anthurium angustilaminatum | Plants |
| 809. | Flamingo Flower | Anthurium cabuyalense | Plants |
| 810. | Flamingo Flower | Anthurium ecuadorense | Plants |
| 811. | Flamingo Flower | Anthurium hebetatilaminum | Plants |
| 812. | Flamingo Flower | Anthurium lingua | Plants |
| 813. | Flamingo Flower | Anthurium nigropunctatum | Plants |
| 814. | Flamingo Flower | Anthurium rimbachii | Plants |
| 815. | Flamingo Flower | Anthurium tenaense | Plants |
| 816. | Flamingo Flower | Anthurium albovirescens | Plants |
| 817. | Flamingo Flower | Anthurium bushii | Plants |
| 818. | Flamingo Flower | Anthurium dolichophyllum | Plants |
| 819. | Flamingo Flower | Anthurium gualeanum | Plants |
| 820. | Flamingo Flower | Anthurium leonianum | Plants |
| 821. | Flamingo Flower | Anthurium nemorale | Plants |
| 822. | Flamingo Flower | Anthurium punctatum | Plants |
| 823. | Flamingo Flower | Anthurium superbum | Plants |
| 824. | Flamingo Flower | Anthurium bullosum | Plants |
| 825. | Flightless Cormorant | Phalacrocorax harrisi | Birds |
| 826. | Floreana Coral | Tubastraea floreana | Corals, Jellyfish, and Sea Anemones |
| 827. | Floreana Mockingbird | Mimus trifasciatus | Birds |
| 828. | Flueggea elliptica | Flueggea elliptica | Plants |
| 829. | Flying Goldfish | Columnea elongatifolia | Plants |
| 830. | Flying Goldfish | Columnea poortmannii | Plants |
| 831. | Flying Goldfish | Columnea capillosa | Plants |
| 832. | Flying Goldfish | Columnea ovatifolia | Plants |
| 833. | Flying Goldfish | Columnea brenneri | Plants |
| 834. | Flying Goldfish | Columnea mastersonii | Plants |
| 835. | Flying Goldfish | Columnea atahualpae | Plants |
| 836. | Flying Goldfish | Columnea manabiana | Plants |
| 837. | Flying Goldfish | Columnea asteroloma | Plants |
| 838. | Flying Goldfish | Columnea katzensteinii | Plants |
| 839. | Flying Goldfish | Columnea schimpffii | Plants |
| 840. | Flying Goldfish | Columnea albiflora | Plants |
| 841. | Flying Goldfish | Columnea flexiflora | Plants |
| 842. | Flying Goldfish | Columnea rubribracteata | Plants |
| 843. | Flying Goldfish | Columnea eubracteata | Plants |
| 844. | Flying Goldfish | Columnea rileyi | Plants |
| 845. | Foothill Elaenia | Myiopagis olallai | Birds |
| 846. | Francisco | Priogymnanthus apertus | Plants |
| 847. | Fuchsia scherffiana | Fuchsia scherffiana | Plants |
| 848. | Fuchsia hypoleuca | Fuchsia hypoleuca | Plants |
| 849. | Fulvous-dotted Treerunner | Margarornis stellatus | Birds |
| 850. | Fungia curvata | Fungia curvata | Corals, Jellyfish, and Sea Anemones |
| 851. | Galapagos Coral | Polycyathus isabela | Corals, Jellyfish, and Sea Anemones |
| 852. | Galapagos Hawk | Buteo galapagoensis | Birds |
| 853. | Galapagos Islands Fur Seal | Arctocephalus galapagoensis | Mammals |
| 854. | Galapagos Land Iguana | Conolophus subcristatus | Reptiles |
| 855. | Galapagos Land Snail | Bulimulus akamatus | Snails |
| 856. | Galapagos Land Snail | Bulimulus cinerarius | Snails |
| 857. | Galapagos Land Snail | Bulimulus eschariferus | Snails |
| 858. | Galapagos Land Snail | Bulimulus jervisensis | Snails |
| 859. | Galapagos Land Snail | Bulimulus perspectivus | Snails |
| 860. | Galapagos Land Snail | Bulimulus sp. nov. 'josevillani' | Snails |
| 861. | Galapagos Land Snail | Bulimulus unifasciatus | Snails |
| 862. | Galapagos Land Snail | Bulimulus adserseni | Snails |
| 863. | Galapagos Land Snail | Bulimulus chemitzioides | Snails |
| 864. | Galapagos Land Snail | Bulimulus eos | Snails |
| 865. | Galapagos Land Snail | Bulimulus jacobi | Snails |
| 866. | Galapagos Land Snail | Bulimulus perrus | Snails |
| 867. | Galapagos Land Snail | Bulimulus sculpturatus | Snails |
| 868. | Galapagos Land Snail | Bulimulus tortuganus | Snails |
| 869. | Galapagos Land Snail | Bulimulus adelphus | Snails |
| 870. | Galapagos Land Snail | Bulimulus cavagnaroi | Snails |
| 871. | Galapagos Land Snail | Bulimulus duncanus | Snails |
| 872. | Galapagos Land Snail | Bulimulus indefatigabilis | Snails |
| 873. | Galapagos Land Snail | Bulimulus olla | Snails |
| 874. | Galapagos Land Snail | Bulimulus saeronius | Snails |
| 875. | Galapagos Land Snail | Bulimulus tanneri | Snails |
| 876. | Galapagos Land Snail | Bulimulus achatellinus | Snails |
| 877. | Galapagos Land Snail | Bulimulus calvus | Snails |
| 878. | Galapagos Land Snail | Bulimulus deridderi | Snails |
| 879. | Galapagos Land Snail | Bulimulus hoodensis | Snails |
| 880. | Galapagos Land Snail | Bulimulus ochsneri | Snails |
| 881. | Galapagos Land Snail | Bulimulus rugulosus | Snails |
| 882. | Galapagos Land Snail | Bulimulus sp. nov. 'vanmoli' | Snails |
| 883. | Galapagos Land Snail | Bulimulus blombergi | Snails |
| 884. | Galapagos Land Snail | Bulimulus darwini | Snails |
| 885. | Galapagos Land Snail | Bulimulus hirsutus | Snails |
| 886. | Galapagos Land Snail | Bulimulus nux | Snails |
| 887. | Galapagos Land Snail | Bulimulus reibischi | Snails |
| 888. | Galapagos Land Snail | Bulimulus sp. nov. 'tuideroyi' | Snails |
| 889. | Galapagos Land Snail | Bulimulus amastroides | Snails |
| 890. | Galapagos Land Snail | Bulimulus curtus | Snails |
| 891. | Galapagos Land Snail | Bulimulus habeli | Snails |
| 892. | Galapagos Land Snail | Bulimulus nesioticus | Snails |
| 893. | Galapagos Land Snail | Bulimulus rabidensis | Snails |
| 894. | Galapagos Land Snail | Bulimulus sp. nov. 'nilsodhneri' | Snails |
| 895. | Galapagos Land Snail | Bulimulus wolfi | Snails |
| 896. | Galapagos Land Snail | Bulimulus alethorhytidus | Snails |
| 897. | Galapagos Land Snail | Bulimulus cucullinus | Snails |
| 898. | Galapagos Land Snail | Bulimulus galapaganus | Snails |
| 899. | Galapagos Land Snail | Bulimulus lycodus | Snails |
| 900. | Galapagos Land Snail | Bulimulus planospira | Snails |
| 901. | Galapagos Land Snail | Bulimulus sp. nov. 'krameri' | Snails |
| 902. | Galapagos Land Snail | Bulimulus ustulatus | Snails |
| 903. | Galapagos Marine Iguana | Amblyrhynchus cristatus | Reptiles |
| 904. | Galapagos Martin | Progne modesta | Birds |
| 905. | Galapagos Penguin | Spheniscus mendiculus | Birds |
| 906. | Galapagos Petrel | Pterodroma phaeopygia | Birds |
| 907. | Galapagos Rail | Laterallus spilonotus | Birds |
| 908. | Galapagos Rice Rat | Aegialomys galapagoensis | Mammals |
| 909. | Galapagos Sea Lion | Zalophus wollebaeki | Mammals |
| 910. | Galapagos Shark | Carcharhinus galapagensis | Fishes |
| 911. | Galapagos Stringweed | Bifurcaria galapagensis | Plants |
| 912. | Galapagos Tortoise | Geochelone elephantopus | Reptiles |
| 913. | Galaxaura barbata | Galaxaura barbata | Plants |
| 914. | Gasteranthus extinctus | Gasteranthus extinctus | Plants |
| 915. | Gasteranthus timidus | Gasteranthus timidus | Plants |
| 916. | Gasteranthus crispus | Gasteranthus crispus | Plants |
| 917. | Gasteranthus ternatus | Gasteranthus ternatus | Plants |
| 918. | Gasteranthus carinatus | Gasteranthus carinatus | Plants |
| 919. | Gasteranthus tenellus | Gasteranthus tenellus | Plants |
| 920. | Gasteranthus bilsaensis | Gasteranthus bilsaensis | Plants |
| 921. | Gasteranthus perennis | Gasteranthus perennis | Plants |
| 922. | Gasteranthus atratus | Gasteranthus atratus | Plants |
| 923. | Gasteranthus orientandinus | Gasteranthus orientandinus | Plants |
| 924. | Gasteranthus mutabilis | Gasteranthus mutabilis | Plants |
| 925. | Gasteranthus macrocalyx | Gasteranthus macrocalyx | Plants |
| 926. | Geissanthus pinchinchana | Geissanthus pinchinchana | Plants |
| 927. | Geissanthus fallenae | Geissanthus fallenae | Plants |
| 928. | Geonoma irena | Geonoma irena | Plants |
| 929. | Geranium exallum | Geranium exallum | Plants |
| 930. | Geranium antisanae | Geranium antisanae | Plants |
| 931. | Giant Anteater | Myrmecophaga tridactyla | Mammals |
| 932. | Giant Antpitta | Grallaria gigantea | Birds |
| 933. | Giant Armadillo | Priodontes maximus | Mammals |
| 934. | Giant Conebill | Oreomanes fraseri | Birds |
| 935. | Giant Otter | Pteronura brasiliensis | Mammals |
| 936. | Gnaphalium sodiroi | Gnaphalium sodiroi | Plants |
| 937. | Gnaphalium sepositum | Gnaphalium sepositum | Plants |
| 938. | Gnaphalium ecuadorense | Gnaphalium ecuadorense | Plants |
| 939. | Goeldi's Marmoset | Callimico goeldii | Mammals |
| 940. | Golden Cownose Ray | Rhinoptera steindachneri | Fishes |
| 941. | Golden-mantle Saddleback Tamarin | Saguinus tripartitus | Mammals |
| 942. | Golden-plumed Parakeet | Leptosittaca branickii | Birds |
| 943. | Golden-winged Warbler | Vermivora chrysoptera | Birds |
| 944. | Goliath Grouper | Epinephelus itajara | Fishes |
| 945. | Gonolobus campii | Gonolobus campii | Plants |
| 946. | Gonzalagunia bifida | Gonzalagunia bifida | Plants |
| 947. | Gonzalagunia mollis | Gonzalagunia mollis | Plants |
| 948. | Gonzalagunia dodsonii | Gonzalagunia dodsonii | Plants |
| 949. | Gracilaria skottsbergii | Gracilaria skottsbergii | Plants |
| 950. | Grammitis basalis | Grammitis basalis | Plants |
| 951. | Gray-backed Hawk | Leucopternis occidentalis | Birds |
| 952. | Gray-bellied Shrew Opossum | Caenolestes caniventer | Mammals |
| 953. | Gray-breasted Flycatcher | Lathrotriccus griseipectus | Birds |
| 954. | Gray-breasted Mountain-toucan | Andigena hypoglauca | Birds |
| 955. | Gray-cheeked Parakeet | Brotogeris pyrrhoptera | Birds |
| 956. | Gray-headed Antbird | Myrmeciza griseiceps | Birds |
| 957. | Great Curassow | Crax rubra | Birds |
| 958. | Great Green Macaw | Ara ambiguus | Birds |
| 959. | Great White Shark | Carcharodon carcharias | Fishes |
| 960. | Great-billed Seed-finch | Oryzoborus maximiliani | Birds |
| 961. | Greater Long-tailed Bat | Choeroniscus periosus | Mammals |
| 962. | Greater Scythebill | Campylorhamphus pucherani | Birds |
| 963. | Grias longirachis | Grias longirachis | Plants |
| 964. | Grosvenoria campii | Grosvenoria campii | Plants |
| 965. | Guacamayo Plump Toad | Osornophryne guacamayo | Amphibians |
| 966. | Gualecenita Stubfoot Toad | Atelopus nepiozomus | Amphibians |
| 967. | Guanay Cormorant | Phalacrocorax bougainvillii | Birds |
| 968. | Guanujo Stubfoot Toad | Atelopus guanujo | Amphibians |
| 969. | Guatteria sodiroi | Guatteria sodiroi | Plants |
| 970. | Guatteria pastazae | Guatteria pastazae | Plants |
| 971. | Guatteria occidentalis | Guatteria occidentalis | Plants |
| 972. | Guatteria microcarpa | Guatteria microcarpa | Plants |
| 973. | Guayaquil Woodpecker | Campephilus gayaquilensis | Birds |
| 974. | Guevaria loxensis | Guevaria loxensis | Plants |
| 975. | Guianan Crested Eagle | Morphnus guianensis | Birds |
| 976. | Gunther's Marsupial Frog | Gastrotheca guentheri | Amphibians |
| 977. | Gustavia serrata | Gustavia serrata | Plants |
| 978. | Gustavia dodsonii | Gustavia dodsonii | Plants |
| 979. | Guzmania ecuadorensis | Guzmania ecuadorensis | Plants |
| 980. | Guzmania roseiflora | Guzmania roseiflora | Plants |
| 981. | Guzmania condorensis | Guzmania condorensis | Plants |
| 982. | Guzmania poortmanii | Guzmania poortmanii | Plants |
| 983. | Guzmania alcantareoides | Guzmania alcantareoides | Plants |
| 984. | Guzmania osyana | Guzmania osyana | Plants |
| 985. | Guzmania albescens | Guzmania albescens | Plants |
| 986. | Guzmania lepidota | Guzmania lepidota | Plants |
| 987. | Guzmania henniae | Guzmania henniae | Plants |
| 988. | Guzmania fuquae | Guzmania fuquae | Plants |
| 989. | Guzmania striata | Guzmania striata | Plants |
| 990. | Guzmania fuerstenbergiana | Guzmania fuerstenbergiana | Plants |
| 991. | Guzmania rubrolutea | Guzmania rubrolutea | Plants |
| 992. | Gynoxys validifolia | Gynoxys validifolia | Plants |
| 993. | Gynoxys ignaciana | Gynoxys ignaciana | Plants |
| 994. | Gynoxys chagalensis | Gynoxys chagalensis | Plants |
| 995. | Gynoxys campii | Gynoxys campii | Plants |
| 996. | Hairy Little Fruit Bat | Rhinophylla alethina | Mammals |
| 997. | Halenia serpyllifolia | Halenia serpyllifolia | Plants |
| 998. | Hammerhead Shark | Sphyrna mokarran | Fishes |
| 999. | Hammond's Rice Rat | Mindomys hammondi | Mammals |
| 1000. | Handley's Tailless Bat | Anoura cultrata | Mammals |
| 1001. | Haplopappus albicans | Haplopappus albicans | Plants |
| 1002. | Harmles Serotine | Eptesicus innoxius | Mammals |
| 1003. | Harpy Eagle | Harpia harpyja | Birds |
| 1004. | Heisteria cyathiformis | Heisteria cyathiformis | Plants |
| 1005. | Henna-hooded Foliage-gleaner | Hylocryptus erythrocephalus | Birds |
| 1006. | Hernandia lychnifera | Hernandia lychnifera | Plants |
| 1007. | Herrania balaensis | Herrania balaensis | Plants |
| 1008. | Hieracium debile | Hieracium debile | Plants |
| 1009. | Hirtella pauciflora | Hirtella pauciflora | Plants |
| 1010. | Hoary Puffleg | Haplophaedia lugens | Birds |
| 1011. | Hoffmannia ecuatoriana | Hoffmannia ecuatoriana | Plants |
| 1012. | Horned Marsupial Frog | Gastrotheca cornuta | Amphibians |
| 1013. | Hotel Zaracay Salamander | Bolitoglossa chica | Amphibians |
| 1014. | Humboldt Penguin | Spheniscus humboldti | Birds |
| 1015. | Hyalinobatrachium pellucidum | Hyalinobatrachium pellucidum | Amphibians |
| 1016. | Hypericum prietoi | Hypericum prietoi | Plants |
| 1017. | Hypericum hartwegii | Hypericum hartwegii | Plants |
| 1018. | Hypericum asplundii | Hypericum asplundii | Plants |
| 1019. | Hypolobocera rathbuni | Hypolobocera rathbuni | Crustaceans |
| 1020. | Hypolobocera gracilignatha | Hypolobocera gracilignatha | Crustaceans |
| 1021. | Hypolobocera exuca | Hypolobocera exuca | Crustaceans |
| 1022. | Idiopappus saloyensis | Idiopappus saloyensis | Plants |
| 1023. | Imperial Snipe | Gallinago imperialis | Birds |
| 1024. | Inca Tern | Larosterna inca | Birds |
| 1025. | Indo-pacific Hump-backed Dolphin | Sousa chinensis | Mammals |
| 1026. | Inga multicaulis | Inga multicaulis | Plants |
| 1027. | Inga jaunechensis | Inga jaunechensis | Plants |
| 1028. | Inga carinata | Inga carinata | Plants |
| 1029. | Irenella chrysotricha | Irenella chrysotricha | Plants |
| 1030. | Jaguar | Panthera onca | Mammals |
| 1031. | Japanese Devilray | Mobula japanica | Fishes |
| 1032. | Jatropha nudicaulis | Jatropha nudicaulis | Plants |
| 1033. | Jocotoco Antpitta | Grallaria ridgelyi | Birds |
| 1034. | Jondachi Treefrog | Hyloscirtus staufferorum | Amphibians |
| 1035. | Joosia standleyana | Joosia standleyana | Plants |
| 1036. | Joosia aequatoria | Joosia aequatoria | Plants |
| 1037. | Joseanthus cuatrecasasii | Joseanthus cuatrecasasii | Plants |
| 1038. | Joseanthus chimborazensis | Joseanthus chimborazensis | Plants |
| 1039. | Jungia crenatifolia | Jungia crenatifolia | Plants |
| 1040. | Jungia glandulifera | Jungia glandulifera | Plants |
| 1041. | Kaunia pachanoi | Kaunia pachanoi | Plants |
| 1042. | Kingianthus paradoxus | Kingianthus paradoxus | Plants |
| 1043. | Klarobelia megalocarpa | Klarobelia megalocarpa | Plants |
| 1044. | Klarobelia lucida | Klarobelia lucida | Plants |
| 1045. | Ladenbergia rubiginosa | Ladenbergia rubiginosa | Plants |
| 1046. | Larnax steyermarkii | Larnax steyermarkii | Plants |
| 1047. | Laurencia oppositocladia | Laurencia oppositocladia | Plants |
| 1048. | Lava Cactus | Brachycereus nesioticus | Plants |
| 1049. | Lava Gull | Larus fuliginosus | Birds |
| 1050. | Leafflower | Phyllanthus sponiaefolius | Plants |
| 1051. | Leafflower | Phyllanthus millei | Plants |
| 1052. | Leafflower | Phyllanthus haughtii | Plants |
| 1053. | Least Tern | Sterna antillarum | Birds |
| 1054. | Lehmann's Rocket Frog | Hyloxalus lehmanni | Amphibians |
| 1055. | Lemna ecuadoriensis | Lemna ecuadoriensis | Plants |
| 1056. | Lepidaploa violiceps | Lepidaploa violiceps | Plants |
| 1057. | Lepidopilum grevilleanum | Lepidopilum grevilleanum | Plants |
| 1058. | Licania megalophylla | Licania megalophylla | Plants |
| 1059. | Licania longicuspidata | Licania longicuspidata | Plants |
| 1060. | Linda's Treefrog | Hyloscirtus lindae | Amphibians |
| 1061. | Lindacatalina sumacensis | Lindacatalina sumacensis | Crustaceans |
| 1062. | Linum cratericola | Linum cratericola | Plants |
| 1063. | Little Spotted Cat | Leopardus tigrinus | Mammals |
| 1064. | Little Woodstar | Chaetocercus bombus | Birds |
| 1065. | Little Woolly Mouse Opossum | Micoureus phaeus | Mammals |
| 1066. | Liver-oil Shark | Galeorhinus galeus | Fishes |
| 1067. | Llerasia fuliginea | Llerasia fuliginea | Plants |
| 1068. | Lobelia subpubera | Lobelia subpubera | Plants |
| 1069. | Lobelia collina | Lobelia collina | Plants |
| 1070. | Loja Rocket Frog | Hyloxalus elachyhistus | Amphibians |
| 1071. | Loja Water Frog | Telmatobius cirrhacelis | Amphibians |
| 1072. | Lonchophylla concava | Lonchophylla concava | Mammals |
| 1073. | Long-haired Spider Monkey | Ateles belzebuth | Mammals |
| 1074. | Long-tailed Otter | Lontra longicaudis | Mammals |
| 1075. | Long-wattled Umbrellabird | Cephalopterus penduliger | Birds |
| 1076. | Longnose Eagle Ray | Myliobatis longirostris | Fishes |
| 1077. | Loricaria azuayensis | Loricaria azuayensis | Plants |
| 1078. | Lupinus nubigenus | Lupinus nubigenus | Plants |
| 1079. | Lycianthes rimbachii | Lycianthes rimbachii | Plants |
| 1080. | Lycoseris eggersii | Lycoseris eggersii | Plants |
| 1081. | Lynch's Giant Glass Frog | Centrolene lynchi | Amphibians |
| 1082. | Lynch's Stubfoot Toad | Atelopus lynchi | Amphibians |
| 1083. | Lysipomia crassomarginata | Lysipomia crassomarginata | Plants |
| 1084. | Lysipomia speciosa | Lysipomia speciosa | Plants |
| 1085. | Lysipomia bilineata | Lysipomia bilineata | Plants |
| 1086. | Lysipomia sparrei | Lysipomia sparrei | Plants |
| 1087. | Lysipomia aretioides | Lysipomia aretioides | Plants |
| 1088. | Lysipomia rhizomata | Lysipomia rhizomata | Plants |
| 1089. | Lysipomia lehmannii | Lysipomia lehmannii | Plants |
| 1090. | Lysipomia laricina | Lysipomia laricina | Plants |
| 1091. | Lysipomia cylindrocarpa | Lysipomia cylindrocarpa | Plants |
| 1092. | Lysipomia vitreola | Lysipomia vitreola | Plants |
| 1093. | Lysipomia cuspidata | Lysipomia cuspidata | Plants |
| 1094. | Lysipomia tubulosa | Lysipomia tubulosa | Plants |
| 1095. | Maiden Fern | Thelypteris macra | Plants |
| 1096. | Maiden Fern | Thelypteris bonapartii | Plants |
| 1097. | Mandevilla jamesonii | Mandevilla jamesonii | Plants |
| 1098. | Mandevilla equatorialis | Mandevilla equatorialis | Plants |
| 1099. | Mandevilla dodsonii | Mandevilla dodsonii | Plants |
| 1100. | Manettia teresitae | Manettia teresitae | Plants |
| 1101. | Manettia skutchii | Manettia skutchii | Plants |
| 1102. | Manettia nebulosa | Manettia nebulosa | Plants |
| 1103. | Manettia holwayi | Manettia holwayi | Plants |
| 1104. | Manettia canescens | Manettia canescens | Plants |
| 1105. | Manettia angamarcensis | Manettia angamarcensis | Plants |
| 1106. | Mangrove Finch | Camarhynchus heliobates | Birds |
| 1107. | Mantled Howler Monkey | Alouatta palliata | Mammals |
| 1108. | Maranon Crescentchest | Melanopareia maranonica | Birds |
| 1109. | Maranon Spinetail | Synallaxis maranonica | Birds |
| 1110. | Marcgravia grandifolia | Marcgravia grandifolia | Plants |
| 1111. | Marcgraviastrum sodiroi | Marcgraviastrum sodiroi | Plants |
| 1112. | Margay | Leopardus wiedii | Mammals |
| 1113. | Markea fosbergii | Markea fosbergii | Plants |
| 1114. | Mascagnia haenkeana | Mascagnia haenkeana | Plants |
| 1115. | Masked Mountain-tanager | Buthraupis wetmorei | Birds |
| 1116. | Masked Saltator | Saltator cinctus | Birds |
| 1117. | Matisia palenquiana | Matisia palenquiana | Plants |
| 1118. | Matisia grandifolia | Matisia grandifolia | Plants |
| 1119. | Matisia coloradorum | Matisia coloradorum | Plants |
| 1120. | Matisia alata | Matisia alata | Plants |
| 1121. | Mauria membranifolia | Mauria membranifolia | Plants |
| 1122. | Maytenus manabiensis | Maytenus manabiensis | Plants |
| 1123. | Maytenus jamesonii | Maytenus jamesonii | Plants |
| 1124. | Maytenus eggersii | Maytenus eggersii | Plants |
| 1125. | Medium Tree-finch | Camarhynchus pauper | Birds |
| 1126. | Meliosma littlei | Meliosma littlei | Plants |
| 1127. | Melissa's Yellow-eared Bat | Vampyressa melissa | Mammals |
| 1128. | Melpomene brevipes | Melpomene brevipes | Plants |
| 1129. | Meriania stellata | Meriania stellata | Plants |
| 1130. | Meriania maguirei | Meriania maguirei | Plants |
| 1131. | Meriania loxensis | Meriania loxensis | Plants |
| 1132. | Meriania costata | Meriania costata | Plants |
| 1133. | Meriania campii | Meriania campii | Plants |
| 1134. | Meriania ampla | Meriania ampla | Plants |
| 1135. | Meriania acostae | Meriania acostae | Plants |
| 1136. | Metalepis haughtii | Metalepis haughtii | Plants |
| 1137. | Metalepis gentryi | Metalepis gentryi | Plants |
| 1138. | Metastelma purpurascens | Metastelma purpurascens | Plants |
| 1139. | Mezobromelia fulgens | Mezobromelia fulgens | Plants |
| 1140. | Miconia aspratilis | Miconia aspratilis | Plants |
| 1141. | Miconia cuprea | Miconia cuprea | Plants |
| 1142. | Miconia guayaquilensis | Miconia guayaquilensis | Plants |
| 1143. | Miconia macbrydeana | Miconia macbrydeana | Plants |
| 1144. | Miconia pausana | Miconia pausana | Plants |
| 1145. | Miconia asplundii | Miconia asplundii | Plants |
| 1146. | Miconia corazonica | Miconia corazonica | Plants |
| 1147. | Miconia glyptophylla | Miconia glyptophylla | Plants |
| 1148. | Miconia longisetosa | Miconia longisetosa | Plants |
| 1149. | Miconia pailasana | Miconia pailasana | Plants |
| 1150. | Miconia villonacensis | Miconia villonacensis | Plants |
| 1151. | Miconia ascendens | Miconia ascendens | Plants |
| 1152. | Miconia collayensis | Miconia collayensis | Plants |
| 1153. | Miconia fuliginosa | Miconia fuliginosa | Plants |
| 1154. | Miconia littlei | Miconia littlei | Plants |
| 1155. | Miconia onaensis | Miconia onaensis | Plants |
| 1156. | Miconia vesca | Miconia vesca | Plants |
| 1157. | Miconia castrensis | Miconia castrensis | Plants |
| 1158. | Miconia fosbergii | Miconia fosbergii | Plants |
| 1159. | Miconia ledifolia | Miconia ledifolia | Plants |
| 1160. | Miconia ombrophila | Miconia ombrophila | Plants |
| 1161. | Miconia scabra | Miconia scabra | Plants |
| 1162. | Miconia benoistii | Miconia benoistii | Plants |
| 1163. | Miconia espinosae | Miconia espinosae | Plants |
| 1164. | Miconia leandroides | Miconia leandroides | Plants |
| 1165. | Miconia oligantha | Miconia oligantha | Plants |
| 1166. | Miconia prominens | Miconia prominens | Plants |
| 1167. | Miconia beneolens | Miconia beneolens | Plants |
| 1168. | Miconia dodsonii | Miconia dodsonii | Plants |
| 1169. | Miconia inanis | Miconia inanis | Plants |
| 1170. | Miconia nasella | Miconia nasella | Plants |
| 1171. | Miconia prietoi | Miconia prietoi | Plants |
| 1172. | Miconia barbipilis | Miconia barbipilis | Plants |
| 1173. | Miconia cutucuensis | Miconia cutucuensis | Plants |
| 1174. | Miconia hirsutivena | Miconia hirsutivena | Plants |
| 1175. | Miconia medusa | Miconia medusa | Plants |
| 1176. | Miconia pilaloensis | Miconia pilaloensis | Plants |
| 1177. | Mikania iserniana | Mikania iserniana | Plants |
| 1178. | Mikania andrei | Mikania andrei | Plants |
| 1179. | Mikania tafallana | Mikania tafallana | Plants |
| 1180. | Mikania stereolepis | Mikania stereolepis | Plants |
| 1181. | Mikania seemannii | Mikania seemannii | Plants |
| 1182. | Mikania pulverulenta | Mikania pulverulenta | Plants |
| 1183. | Mikania millei | Mikania millei | Plants |
| 1184. | Mikania jamesonii | Mikania jamesonii | Plants |
| 1185. | Military Macaw | Ara militaris | Birds |
| 1186. | Milkvine | Matelea sprucei | Plants |
| 1187. | Milkvine | Matelea orthoneura | Plants |
| 1188. | Milkvine | Matelea honorana | Plants |
| 1189. | Milkvine | Matelea fimbriatiflora | Plants |
| 1190. | Milkvine | Matelea ecuadorensis | Plants |
| 1191. | Milkvine | Matelea chimboracensis | Plants |
| 1192. | Milkwort | Polygala quitensis | Plants |
| 1193. | Mimosa townsendii | Mimosa townsendii | Plants |
| 1194. | Mimosa loxensis | Mimosa loxensis | Plants |
| 1195. | Mimosa disperma | Mimosa disperma | Plants |
| 1196. | Mindo Cochran Frog | Centrolene balionotum | Amphibians |
| 1197. | Mindo Robber Frog | Strabomantis necerus | Amphibians |
| 1198. | Mindo Stubfoot Toad | Atelopus mindoensis | Amphibians |
| 1199. | Monactis anderssonii | Monactis anderssonii | Plants |
| 1200. | Monactis dubia | Monactis dubia | Plants |
| 1201. | Monnina sodiroana | Monnina sodiroana | Plants |
| 1202. | Monnina haughtii | Monnina haughtii | Plants |
| 1203. | Monopyle stenoloba | Monopyle stenoloba | Plants |
| 1204. | Monopyle sodiroana | Monopyle sodiroana | Plants |
| 1205. | Monopyle paniculata | Monopyle paniculata | Plants |
| 1206. | Monotagma rudanii | Monotagma rudanii | Plants |
| 1207. | Monticalia angustifolia | Monticalia angustifolia | Plants |
| 1208. | Moritschus ecuadorensis | Moritschus ecuadorensis | Crustaceans |
| 1209. | Morona-Santiago Stubfoot Toad | Atelopus halihelos | Amphibians |
| 1210. | Mosannona pacifica | Mosannona pacifica | Plants |
| 1211. | Mottled Petrel | Pterodroma inexpectata | Birds |
| 1212. | Mountain Paca | Cuniculus taczanowskii | Mammals |
| 1213. | Mountain Tapir | Tapirus pinchaque | Mammals |
| 1214. | Moustached Antpitta | Grallaria alleni | Birds |
| 1215. | Muhlenbergia palmirensis | Muhlenbergia palmirensis | Plants |
| 1216. | Munnozia canarensis | Munnozia canarensis | Plants |
| 1217. | Mutisia microneura | Mutisia microneura | Plants |
| 1218. | Mutisia lehmannii | Mutisia lehmannii | Plants |
| 1219. | Mutisia hieronymi | Mutisia hieronymi | Plants |
| 1220. | Myrcia fasciata | Myrcia fasciata | Plants |
| 1221. | Myrcianthes irregularis | Myrcianthes irregularis | Plants |
| 1222. | Myriocolea irrorata | Myriocolea irrorata | Plants |
| 1223. | Myriogramme kylinii | Myriogramme kylinii | Plants |
| 1224. | Napo Giant Glass Frog | Centrolene audax | Amphibians |
| 1225. | Napo Plump Toad | Osornophryne antisana | Amphibians |
| 1226. | Napo Sabrewing | Campylopterus villaviscensio | Birds |
| 1227. | Napo Stubfoot Toad | Atelopus planispina | Amphibians |
| 1228. | Nasa connectans | Nasa connectans | Plants |
| 1229. | Nasa aequatoriana | Nasa aequatoriana | Plants |
| 1230. | Nasa profundilobata | Nasa profundilobata | Plants |
| 1231. | Nasa peltata | Nasa peltata | Plants |
| 1232. | Nasa ferox | Nasa ferox | Plants |
| 1233. | Neblina Metaltail | Metallura odomae | Birds |
| 1234. | Nectandra fragrans | Nectandra fragrans | Plants |
| 1235. | Nectandra cerifolia | Nectandra cerifolia | Plants |
| 1236. | Neurolepis elata | Neurolepis elata | Plants |
| 1237. | Nierembergia espinosae | Nierembergia espinosae | Plants |
| 1238. | Niphogeton sprucei | Niphogeton sprucei | Plants |
| 1239. | North Andean Huemul | Hippocamelus antisensis | Mammals |
| 1240. | North Shore Marsupial Frog | Gastrotheca espeletia | Amphibians |
| 1241. | Northern Pudu | Pudu mephistophiles | Mammals |
| 1242. | Northwestern Climbing Salamander | Bolitoglossa sima | Amphibians |
| 1243. | Oceanic Whitetip Shark | Carcharhinus longimanus | Fishes |
| 1244. | Ocelot | Leopardus pardalis | Mammals |
| 1245. | Ochraceous Attila | Attila torridus | Birds |
| 1246. | Ochre-bellied Dove | Leptotila ochraceiventris | Birds |
| 1247. | Ocotea pachypoda | Ocotea pachypoda | Plants |
| 1248. | Odontocarya perforata | Odontocarya perforata | Plants |
| 1249. | Odontonema laxum | Odontonema laxum | Plants |
| 1250. | Olive Grouper | Epinephelus cifuentesi | Fishes |
| 1251. | Orange-banded Flycatcher | Myiophobus lintoni | Birds |
| 1252. | Orange-fronted Barbet | Capito squamatus | Birds |
| 1253. | Orange-throated Tanager | Wetmorethraupis sterrhopteron | Birds |
| 1254. | Oreobates simmonsi | Oreobates simmonsi | Amphibians |
| 1255. | Oreopanax lehmannii | Oreopanax lehmannii | Plants |
| 1256. | Oreopanax impolitus | Oreopanax impolitus | Plants |
| 1257. | Oreopanax corazonensis | Oreopanax corazonensis | Plants |
| 1258. | Orinoco Goose | Neochen jubata | Birds |
| 1259. | Oritrophium tergoalbum | Oritrophium tergoalbum | Plants |
| 1260. | Oro Phantasmal Poison Frog | Epipedobates anthonyi | Amphibians |
| 1261. | Osornophryne sumacoensis | Osornophryne sumacoensis | Amphibians |
| 1262. | Ossaea palenquensis | Ossaea palenquensis | Plants |
| 1263. | Ossaea incerta | Ossaea incerta | Plants |
| 1264. | Otholobium holosericeum | Otholobium holosericeum | Plants |
| 1265. | Pacarana | Dinomys branickii | Mammals |
| 1266. | Pacific Giant Glass Frog | Centrolene geckoideum | Amphibians |
| 1267. | Pacific Horned Frog | Ceratophrys stolzmanni | Amphibians |
| 1268. | Pacific Marsupial Frog | Gastrotheca angustifrons | Amphibians |
| 1269. | Pacific Royal Flycatcher | Onychorhynchus occidentalis | Birds |
| 1270. | Pacific Seahorse | Hippocampus ingens | Fishes |
| 1271. | Pacific Spiny Rat | Proechimys decumanus | Mammals |
| 1272. | Palanda Rocket Frog | Hyloxalus cevallosi | Amphibians |
| 1273. | Pale-browed Tinamou | Crypturellus transfasciatus | Birds |
| 1274. | Pale-headed Brush-finch | Atlapetes pallidiceps | Birds |
| 1275. | Palicourea heilbornii | Palicourea heilbornii | Plants |
| 1276. | Palicourea fuchsioides | Palicourea fuchsioides | Plants |
| 1277. | Pampas Cat | Leopardus colocolo | Mammals |
| 1278. | Pampas Giant Glass Frog | Centrolene gemmatum | Amphibians |
| 1279. | Panicum acostia | Panicum acostia | Plants |
| 1280. | Papallacta Marsupial Frog | Gastrotheca orophylax | Amphibians |
| 1281. | Papallacta Treefrog | Hyloscirtus psarolaimus | Amphibians |
| 1282. | Pappobolus argenteus | Pappobolus argenteus | Plants |
| 1283. | Paradrymonia lacera | Paradrymonia lacera | Plants |
| 1284. | Paradrymonia hypocyrta | Paradrymonia hypocyrta | Plants |
| 1285. | Paradrymonia binata | Paradrymonia binata | Plants |
| 1286. | Parathesis eggersiana | Parathesis eggersiana | Plants |
| 1287. | Parkinson's Petrel | Procellaria parkinsoni | Birds |
| 1288. | Paspalum soboliferum | Paspalum soboliferum | Plants |
| 1289. | Paspalum azuayense | Paspalum azuayense | Plants |
| 1290. | Passionflower | Passiflora discophora | Plants |
| 1291. | Passionflower | Passiflora zamorana | Plants |
| 1292. | Passionflower | Passiflora brachyantha | Plants |
| 1293. | Passionflower | Passiflora subpurpurea | Plants |
| 1294. | Passionflower | Passiflora anfracta | Plants |
| 1295. | Passionflower | Passiflora montana | Plants |
| 1296. | Passionflower | Passiflora andina | Plants |
| 1297. | Passionflower | Passiflora luzmarina | Plants |
| 1298. | Passionflower | Passiflora loxensis | Plants |
| 1299. | Passionflower | Passiflora linda | Plants |
| 1300. | Passionflower | Passiflora harlingii | Plants |
| 1301. | Pearcea intermedia | Pearcea intermedia | Plants |
| 1302. | Pearcea gracilis | Pearcea gracilis | Plants |
| 1303. | Pearcea bilabiata | Pearcea bilabiata | Plants |
| 1304. | Pebas Stubfoot Toad | Atelopus spumarius | Amphibians |
| 1305. | Pentacalia riotintis | Pentacalia riotintis | Plants |
| 1306. | Pentacalia pailasensis | Pentacalia pailasensis | Plants |
| 1307. | Pentacalia gibbiflora | Pentacalia gibbiflora | Plants |
| 1308. | Pentacalia cazaletii | Pentacalia cazaletii | Plants |
| 1309. | Pentagonia peruviana | Pentagonia peruviana | Plants |
| 1310. | Pentagonia orthoneura | Pentagonia orthoneura | Plants |
| 1311. | Pentagonia involucrata | Pentagonia involucrata | Plants |
| 1312. | Pepinia hooveri | Pepinia hooveri | Plants |
| 1313. | Pepinia alexanderi | Pepinia alexanderi | Plants |
| 1314. | Pepper Vine | Piper angamarcanum | Plants |
| 1315. | Pepper Vine | Piper bullatifolium | Plants |
| 1316. | Pepper Vine | Piper diffundum | Plants |
| 1317. | Pepper Vine | Piper gualeanum | Plants |
| 1318. | Pepper Vine | Piper mexiae | Plants |
| 1319. | Pepper Vine | Piper productispicum | Plants |
| 1320. | Pepper Vine | Piper trachyphyllum | Plants |
| 1321. | Pepper Vine | Piper achupallasense | Plants |
| 1322. | Pepper Vine | Piper brachystylum | Plants |
| 1323. | Pepper Vine | Piper densiciliatum | Plants |
| 1324. | Pepper Vine | Piper fallenii | Plants |
| 1325. | Pepper Vine | Piper mendezense | Plants |
| 1326. | Pepper Vine | Piper prietoi | Plants |
| 1327. | Pepper Vine | Piper subnitidifolium | Plants |
| 1328. | Pepper Vine | Piper brachipilum | Plants |
| 1329. | Pepper Vine | Piper cutucuense | Plants |
| 1330. | Pepper Vine | Piper eustylum | Plants |
| 1331. | Pepper Vine | Piper manabinum | Plants |
| 1332. | Pepper Vine | Piper poscitum | Plants |
| 1333. | Pepper Vine | Piper stipulosum | Plants |
| 1334. | Pepper Vine | Piper begoniiforme | Plants |
| 1335. | Pepper Vine | Piper coeloneurum | Plants |
| 1336. | Pepper Vine | Piper eriocladum | Plants |
| 1337. | Pepper Vine | Piper longicaudatum | Plants |
| 1338. | Pepper Vine | Piper platylobum | Plants |
| 1339. | Pepper Vine | Piper skutchii | Plants |
| 1340. | Pepper Vine | Piper baezense | Plants |
| 1341. | Pepper Vine | Piper clathratum | Plants |
| 1342. | Pepper Vine | Piper entradense | Plants |
| 1343. | Pepper Vine | Piper hydrolapathum | Plants |
| 1344. | Pepper Vine | Piper perstrigosum | Plants |
| 1345. | Pepper Vine | Piper saloyanum | Plants |
| 1346. | Pepper Vine | Piper zarumanum | Plants |
| 1347. | Pepper Vine | Piper baezanum | Plants |
| 1348. | Pepper Vine | Piper chimborazoense | Plants |
| 1349. | Pepper Vine | Piper dodsonii | Plants |
| 1350. | Pepper Vine | Piper huigranum | Plants |
| 1351. | Pepper Vine | Piper nanegalense | Plants |
| 1352. | Pepper Vine | Piper regale | Plants |
| 1353. | Pepper Vine | Piper wibomii | Plants |
| 1354. | Pepper Vine | Piper azuaiense | Plants |
| 1355. | Pepper Vine | Piper campii | Plants |
| 1356. | Pepper Vine | Piper disparipilum | Plants |
| 1357. | Pepper Vine | Piper guayasanum | Plants |
| 1358. | Pepper Vine | Piper molliusculum | Plants |
| 1359. | Pepper Vine | Piper puyoense | Plants |
| 1360. | Pepper Vine | Piper valladolidense | Plants |
| 1361. | Peracca's Plump Toad | Osornophryne bufoniformis | Amphibians |
| 1362. | Persea conferta | Persea conferta | Plants |
| 1363. | Peruvian Antpitta | Grallaricula peruviana | Birds |
| 1364. | Peruvian Pelican | Pelecanus thagus | Birds |
| 1365. | Peruvian Pigeon | Patagioenas oenops | Birds |
| 1366. | Peruvian Tern | Sterna lorata | Birds |
| 1367. | Phaedranassa viridiflora | Phaedranassa viridiflora | Plants |
| 1368. | Phaedranassa tunguraguae | Phaedranassa tunguraguae | Plants |
| 1369. | Phaedranassa glauciflora | Phaedranassa glauciflora | Plants |
| 1370. | Phaedranassa brevifolia | Phaedranassa brevifolia | Plants |
| 1371. | Phantasmal Poison Frog | Epipedobates tricolor | Amphibians |
| 1372. | Pharus ecuadoricus | Pharus ecuadoricus | Plants |
| 1373. | Phaseolus rosei | Phaseolus rosei | Plants |
| 1374. | Phaseolus rimbachii | Phaseolus rimbachii | Plants |
| 1375. | Philodendron quitense | Philodendron quitense | Plants |
| 1376. | Philodendron pogonocaule | Philodendron pogonocaule | Plants |
| 1377. | Philodendron nanegalense | Philodendron nanegalense | Plants |
| 1378. | Philodendron cruentospathum | Philodendron cruentospathum | Plants |
| 1379. | Philodendron balaoanum | Philodendron balaoanum | Plants |
| 1380. | Philodendron ventricosum | Philodendron ventricosum | Plants |
| 1381. | Phoradendron wiensii | Phoradendron wiensii | Plants |
| 1382. | Phoradendron madisonii | Phoradendron madisonii | Plants |
| 1383. | Phoradendron aequatoris | Phoradendron aequatoris | Plants |
| 1384. | Phycodrina elegans | Phycodrina elegans | Plants |
| 1385. | Pichincha Giant Glass Frog | Centrolene heloderma | Amphibians |
| 1386. | Pichincha Poison Frog | Oophaga sylvatica | Amphibians |
| 1387. | Pichincha Rocket Frog | Hyloxalus toachi | Amphibians |
| 1388. | Pilalo Treefrog | Hyloscirtus ptychodactylus | Amphibians |
| 1389. | Pilea tungurahuae | Pilea tungurahuae | Plants |
| 1390. | Pilea selbyanorum | Pilea selbyanorum | Plants |
| 1391. | Pilea riopalenquensis | Pilea riopalenquensis | Plants |
| 1392. | Pink-footed Shearwater | Puffinus creatopus | Birds |
| 1393. | Pink-sided Treefrog | Agalychnis litodryas | Amphibians |
| 1394. | Pink-throated Brilliant | Heliodoxa gularis | Birds |
| 1395. | Pitcairnia lutescens | Pitcairnia lutescens | Plants |
| 1396. | Pitcairnia elliptica | Pitcairnia elliptica | Plants |
| 1397. | Pitcairnia clarkii | Pitcairnia clarkii | Plants |
| 1398. | Pitcairnia caduciflora | Pitcairnia caduciflora | Plants |
| 1399. | Pitcairnia bergii | Pitcairnia bergii | Plants |
| 1400. | Pitcairnia alata | Pitcairnia alata | Plants |
| 1401. | Pitcairnia reflexiflora | Pitcairnia reflexiflora | Plants |
| 1402. | Pitcairnia aequatorialis | Pitcairnia aequatorialis | Plants |
| 1403. | Pitcairnia oblongifolia | Pitcairnia oblongifolia | Plants |
| 1404. | Plate-billed Mountain-toucan | Andigena laminirostris | Birds |
| 1405. | Platyrrhinus ismaeli | Platyrrhinus ismaeli | Mammals |
| 1406. | Platyrrhinus matapalensis | Platyrrhinus matapalensis | Mammals |
| 1407. | Pleurothyrium obovatum | Pleurothyrium obovatum | Plants |
| 1408. | Pleurothyrium giganthum | Pleurothyrium giganthum | Plants |
| 1409. | Plumbeous Forest-falcon | Micrastur plumbeus | Birds |
| 1410. | Plumbeous Hawk | Leucopternis plumbeus | Birds |
| 1411. | Pocketbook Flower | Calceolaria commutata | Plants |
| 1412. | Pocketbook Flower | Calceolaria helianthemoides | Plants |
| 1413. | Pocketbook Flower | Calceolaria pedunculata | Plants |
| 1414. | Pocketbook Flower | Calceolaria brachiata | Plants |
| 1415. | Pocketbook Flower | Calceolaria harlingii | Plants |
| 1416. | Pocketbook Flower | Calceolaria oxyphylla | Plants |
| 1417. | Pocketbook Flower | Calceolaria zamorana | Plants |
| 1418. | Pocketbook Flower | Calceolaria bentae | Plants |
| 1419. | Pocketbook Flower | Calceolaria grandiflora | Plants |
| 1420. | Pocketbook Flower | Calceolaria odontophylla | Plants |
| 1421. | Pocketbook Flower | Calceolaria stricta | Plants |
| 1422. | Pocketbook Flower | Calceolaria australis | Plants |
| 1423. | Pocketbook Flower | Calceolaria gossypina | Plants |
| 1424. | Pocketbook Flower | Calceolaria obtusa | Plants |
| 1425. | Pocketbook Flower | Calceolaria spruceana | Plants |
| 1426. | Pocketbook Flower | Calceolaria adenanthera | Plants |
| 1427. | Pocketbook Flower | Calceolaria frondosa | Plants |
| 1428. | Pocketbook Flower | Calceolaria martinezii | Plants |
| 1429. | Pocketbook Flower | Calceolaria serrata | Plants |
| 1430. | Pocketbook Flower | Calceolaria ferruginea | Plants |
| 1431. | Pocketbook Flower | Calceolaria lavandulifolia | Plants |
| 1432. | Pocketbook Flower | Calceolaria semiconnata | Plants |
| 1433. | Pocketbook Flower | Calceolaria dilatata | Plants |
| 1434. | Pocketbook Flower | Calceolaria lanata | Plants |
| 1435. | Pocketbook Flower | Calceolaria platyzyga | Plants |
| 1436. | Podandrogyne jamesonii | Podandrogyne jamesonii | Plants |
| 1437. | Podandrogyne brevipedunculata | Podandrogyne brevipedunculata | Plants |
| 1438. | Podandrogyne trichopus | Podandrogyne trichopus | Plants |
| 1439. | Poeppig's Woolly Monkey | Lagothrix poeppigii | Mammals |
| 1440. | Polypodium abitaguae | Polypodium abitaguae | Plants |
| 1441. | Polystichum bulbiferum | Polystichum bulbiferum | Plants |
| 1442. | Porites lobata | Porites lobata | Corals, Jellyfish, and Sea Anemones |
| 1443. | Pouteria Tree | Pouteria capacifolia | Plants |
| 1444. | Pouteria Tree | Pouteria brevipetiolata | Plants |
| 1445. | Pouteria Tree | Pouteria gigantea | Plants |
| 1446. | Prestonia schumanniana | Prestonia schumanniana | Plants |
| 1447. | Prestonia rotundifolia | Prestonia rotundifolia | Plants |
| 1448. | Prestonia peregrina | Prestonia peregrina | Plants |
| 1449. | Prestonia parvifolia | Prestonia parvifolia | Plants |
| 1450. | Prickly Pear | Opuntia insularis | Plants |
| 1451. | Prickly Pear | Opuntia galapageia | Plants |
| 1452. | Prickly Pear | Opuntia saxicola | Plants |
| 1453. | Pristimantis Rain Frog | Pristimantis pataikos | Amphibians |
| 1454. | Pristimantis Rain Frog | Pristimantis pycnodermis | Amphibians |
| 1455. | Pristimantis Rain Frog | Pristimantis rubicundus | Amphibians |
| 1456. | Pristimantis Rain Frog | Pristimantis bromeliaceus | Amphibians |
| 1457. | Pristimantis Rain Frog | Pristimantis supernatis | Amphibians |
| 1458. | Pristimantis Rain Frog | Pristimantis crenunguis | Amphibians |
| 1459. | Pristimantis Rain Frog | Pristimantis vertebralis | Amphibians |
| 1460. | Pristimantis Rain Frog | Pristimantis duellmani | Amphibians |
| 1461. | Pristimantis Rain Frog | Pristimantis galdi | Amphibians |
| 1462. | Pristimantis Rain Frog | Pristimantis incanus | Amphibians |
| 1463. | Pristimantis Rain Frog | Pristimantis modipeplus | Amphibians |
| 1464. | Pristimantis Rain Frog | Pristimantis pastazensis | Amphibians |
| 1465. | Pristimantis Rain Frog | Pristimantis pugnax | Amphibians |
| 1466. | Pristimantis Rain Frog | Pristimantis rosadoi | Amphibians |
| 1467. | Pristimantis Rain Frog | Pristimantis baryecuus | Amphibians |
| 1468. | Pristimantis Rain Frog | Pristimantis spinosus | Amphibians |
| 1469. | Pristimantis Rain Frog | Pristimantis cremnobates | Amphibians |
| 1470. | Pristimantis Rain Frog | Pristimantis versicolor | Amphibians |
| 1471. | Pristimantis Rain Frog | Pristimantis dissimulatus | Amphibians |
| 1472. | Pristimantis Rain Frog | Pristimantis floridus | Amphibians |
| 1473. | Pristimantis Rain Frog | Pristimantis illotus | Amphibians |
| 1474. | Pristimantis Rain Frog | Pristimantis luteolateralis | Amphibians |
| 1475. | Pristimantis Rain Frog | Pristimantis ornatissimus | Amphibians |
| 1476. | Pristimantis Rain Frog | Pristimantis pteridophilus | Amphibians |
| 1477. | Pristimantis Rain Frog | Pristimantis riveti | Amphibians |
| 1478. | Pristimantis Rain Frog | Pristimantis balionotus | Amphibians |
| 1479. | Pristimantis Rain Frog | Pristimantis sobetes | Amphibians |
| 1480. | Pristimantis Rain Frog | Pristimantis condor | Amphibians |
| 1481. | Pristimantis Rain Frog | Pristimantis verecundus | Amphibians |
| 1482. | Pristimantis Rain Frog | Pristimantis devillei | Amphibians |
| 1483. | Pristimantis Rain Frog | Pristimantis festae | Amphibians |
| 1484. | Pristimantis Rain Frog | Pristimantis ignicolor | Amphibians |
| 1485. | Pristimantis Rain Frog | Pristimantis loustes | Amphibians |
| 1486. | Pristimantis Rain Frog | Pristimantis orestes | Amphibians |
| 1487. | Pristimantis Rain Frog | Pristimantis proserpens | Amphibians |
| 1488. | Pristimantis Rain Frog | Pristimantis rhodostichus | Amphibians |
| 1489. | Pristimantis Rain Frog | Pristimantis atratus | Amphibians |
| 1490. | Pristimantis Rain Frog | Pristimantis simonbolivari | Amphibians |
| 1491. | Pristimantis Rain Frog | Pristimantis colomai | Amphibians |
| 1492. | Pristimantis Rain Frog | Pristimantis truebae | Amphibians |
| 1493. | Pristimantis Rain Frog | Pristimantis degener | Amphibians |
| 1494. | Pristimantis Rain Frog | Pristimantis eugeniae | Amphibians |
| 1495. | Pristimantis Rain Frog | Pristimantis hamiotae | Amphibians |
| 1496. | Pristimantis Rain Frog | Pristimantis lividus | Amphibians |
| 1497. | Pristimantis Rain Frog | Pristimantis nyctophylax | Amphibians |
| 1498. | Pristimantis Rain Frog | Pristimantis prolatus | Amphibians |
| 1499. | Pristimantis Rain Frog | Pristimantis rhodoplichus | Amphibians |
| 1500. | Pristimantis Rain Frog | Pristimantis actites | Amphibians |
| 1501. | Pristimantis Rain Frog | Pristimantis serendipitus | Amphibians |
| 1502. | Pristimantis Rain Frog | Pristimantis colodactylus | Amphibians |
| 1503. | Pristimantis Rain Frog | Pristimantis thymalopsoides | Amphibians |
| 1504. | Pristimantis Rain Frog | Pristimantis cryptomelas | Amphibians |
| 1505. | Pristimantis Rain Frog | Pristimantis ernesti | Amphibians |
| 1506. | Pristimantis Rain Frog | Pristimantis glandulosus | Amphibians |
| 1507. | Pristimantis Rain Frog | Pristimantis katoptroides | Amphibians |
| 1508. | Pristimantis Rain Frog | Pristimantis nigrogriseus | Amphibians |
| 1509. | Pristimantis Rain Frog | Pristimantis petersorum | Amphibians |
| 1510. | Pristimantis Rain Frog | Pristimantis quinquagesimus | Amphibians |
| 1511. | Pristimantis Rain Frog | Pristimantis scolodiscus | Amphibians |
| 1512. | Pristimantis Rain Frog | Pristimantis acerus | Amphibians |
| 1513. | Pristimantis Rain Frog | Pristimantis celator | Amphibians |
| 1514. | Pristimantis Rain Frog | Pristimantis tenebrionis | Amphibians |
| 1515. | Pristimantis Rain Frog | Pristimantis cryophilius | Amphibians |
| 1516. | Pristimantis Rain Frog | Pristimantis eriphus | Amphibians |
| 1517. | Pristimantis Rain Frog | Pristimantis gladiator | Amphibians |
| 1518. | Pristimantis Rain Frog | Pristimantis inusitatus | Amphibians |
| 1519. | Pristimantis Rain Frog | Pristimantis nephophilus | Amphibians |
| 1520. | Pristimantis Rain Frog | Pristimantis percultus | Amphibians |
| 1521. | Pristimantis Rain Frog | Pristimantis pyrrhomerus | Amphibians |
| 1522. | Pristimantis Rain Frog | Pristimantis schultei | Amphibians |
| 1523. | Pristimantis Rain Frog | Pristimantis calcarulatus | Amphibians |
| 1524. | Pristimantis Rain Frog | Pristimantis surdus | Amphibians |
| 1525. | Pristimantis Rain Frog | Pristimantis crucifer | Amphibians |
| 1526. | Pristimantis Rain Frog | Pristimantis vidua | Amphibians |
| 1527. | Pristimantis Rain Frog | Pristimantis eremitus | Amphibians |
| 1528. | Pristimantis Rain Frog | Pristimantis gentryi | Amphibians |
| 1529. | Pristimantis Rain Frog | Pristimantis incomptus | Amphibians |
| 1530. | Pristimantis Rain Frog | Pristimantis muricatus | Amphibians |
| 1531. | Psammocora stellata | Psammocora stellata | Corals, Jellyfish, and Sea Anemones |
| 1532. | Pseudogynoxys engleri | Pseudogynoxys engleri | Plants |
| 1533. | Pseudolmedia manabiensis | Pseudolmedia manabiensis | Plants |
| 1534. | Psidium pedicellatum | Psidium pedicellatum | Plants |
| 1535. | Psilanthele eggersii | Psilanthele eggersii | Plants |
| 1536. | Psychotria angustata | Psychotria angustata | Plants |
| 1537. | Psychotria sodiroi | Psychotria sodiroi | Plants |
| 1538. | Psychotria rimbachii | Psychotria rimbachii | Plants |
| 1539. | Psychotria madida | Psychotria madida | Plants |
| 1540. | Pteromonnina fosbergii | Pteromonnina fosbergii | Plants |
| 1541. | Purplish-mantled Tanager | Iridosornis porphyrocephalus | Birds |
| 1542. | Putumayo Robber Frog | Hypodactylus dolops | Amphibians |
| 1543. | Puya angelensis | Puya angelensis | Plants |
| 1544. | Puya roseana | Puya roseana | Plants |
| 1545. | Puya parviflora | Puya parviflora | Plants |
| 1546. | Puya exigua | Puya exigua | Plants |
| 1547. | Puya compacta | Puya compacta | Plants |
| 1548. | Puyo Giant Glass Frog | Cochranella puyoensis | Amphibians |
| 1549. | Racinaea tripinnata | Racinaea tripinnata | Plants |
| 1550. | Racinaea inconspicua | Racinaea inconspicua | Plants |
| 1551. | Radiator Plant | Peperomia micromerioides | Plants |
| 1552. | Radiator Plant | Peperomia petraea | Plants |
| 1553. | Radiator Plant | Peperomia tablahuasiana | Plants |
| 1554. | Radiator Plant | Peperomia espinosae | Plants |
| 1555. | Radiator Plant | Peperomia litana | Plants |
| 1556. | Radiator Plant | Peperomia persuculenta | Plants |
| 1557. | Radiator Plant | Peperomia subdiscoidea | Plants |
| 1558. | Radiator Plant | Peperomia disjunctiflora | Plants |
| 1559. | Radiator Plant | Peperomia leucorrhachis | Plants |
| 1560. | Radiator Plant | Peperomia peploides | Plants |
| 1561. | Radiator Plant | Peperomia stenostachya | Plants |
| 1562. | Radiator Plant | Peperomia dauleana | Plants |
| 1563. | Radiator Plant | Peperomia leucanthera | Plants |
| 1564. | Radiator Plant | Peperomia parvilimba | Plants |
| 1565. | Radiator Plant | Peperomia salangonis | Plants |
| 1566. | Radiator Plant | Peperomia wibomii | Plants |
| 1567. | Radiator Plant | Peperomia cordilimba | Plants |
| 1568. | Radiator Plant | Peperomia lehmannii | Plants |
| 1569. | Radiator Plant | Peperomia paradoxa | Plants |
| 1570. | Radiator Plant | Peperomia rubropunctulata | Plants |
| 1571. | Radiator Plant | Peperomia valladolidana | Plants |
| 1572. | Radiator Plant | Peperomia clivigaudens | Plants |
| 1573. | Radiator Plant | Peperomia guayaquilensis | Plants |
| 1574. | Radiator Plant | Peperomia pachystachya | Plants |
| 1575. | Radiator Plant | Peperomia pululaguana | Plants |
| 1576. | Radiator Plant | Peperomia udimontana | Plants |
| 1577. | Radiator Plant | Peperomia arenillasensis | Plants |
| 1578. | Radiator Plant | Peperomia glandulosa | Plants |
| 1579. | Radiator Plant | Peperomia mitchelioides | Plants |
| 1580. | Radiator Plant | Peperomia pichinchae | Plants |
| 1581. | Radiator Plant | Peperomia tuberculata | Plants |
| 1582. | Radiator Plant | Peperomia albovittata | Plants |
| 1583. | Radiator Plant | Peperomia fagerlindii | Plants |
| 1584. | Randia carlosiana | Randia carlosiana | Plants |
| 1585. | Red-faced Parrot | Hapalopsittaca pyrrhops | Birds |
| 1586. | Red-masked Parakeet | Aratinga erythrogenys | Birds |
| 1587. | Reldia calcarata | Reldia calcarata | Plants |
| 1588. | Rhaebo caeruleostictus | Rhaebo caeruleostictus | Amphibians |
| 1589. | Rhinella amabilis | Rhinella amabilis | Amphibians |
| 1590. | Ridge Marsupial Frog | Gastrotheca psychrophila | Amphibians |
| 1591. | Rinorea deflexa | Rinorea deflexa | Plants |
| 1592. | Rio Calima Marsupial Frog | Gastrotheca dendronastes | Amphibians |
| 1593. | Rio Chingual Valley Treefrog | Hyloscirtus pantostictus | Amphibians |
| 1594. | Rio Chipillico Frog | Lithobates bwana | Amphibians |
| 1595. | Rio Faisanes Stubfoot Toad | Atelopus coynei | Amphibians |
| 1596. | Rio Pescado Stubfoot Toad | Atelopus balios | Amphibians |
| 1597. | Rio Pitzara Robber Frog | Strabomantis helonotus | Amphibians |
| 1598. | Rio Suno Robber Frog | Strabomantis cornutus | Amphibians |
| 1599. | Riobamba Marsupial Frog | Gastrotheca riobambae | Amphibians |
| 1600. | Rollinia helosioides | Rollinia helosioides | Plants |
| 1601. | Ronnbergia campanulata | Ronnbergia campanulata | Plants |
| 1602. | Roupala brachybotrys | Roupala brachybotrys | Plants |
| 1603. | Ruagea microphylla | Ruagea microphylla | Plants |
| 1604. | Rufous-crowned Antpitta | Pittasoma rufopileatum | Birds |
| 1605. | Rufous-headed Chachalaca | Ortalis erythroptera | Birds |
| 1606. | Rufous-necked Foliage-gleaner | Syndactyla ruficollis | Birds |
| 1607. | Rushfoil | Croton coriaceus | Plants |
| 1608. | Rushfoil | Croton pycnanthus | Plants |
| 1609. | Rushfoil | Croton pavonis | Plants |
| 1610. | Rushfoil | Croton menthodorus | Plants |
| 1611. | Rushfoil | Croton lehmannii | Plants |
| 1612. | Rushfoil | Croton fraseri | Plants |
| 1613. | Rushfoil | Croton wagneri | Plants |
| 1614. | Rushfoil | Croton elegans | Plants |
| 1615. | Rushfoil | Croton sordidus | Plants |
| 1616. | Rushfoil | Croton eggersii | Plants |
| 1617. | Rushfoil | Croton rivinifolius | Plants |
| 1618. | Rustia bilsana | Rustia bilsana | Plants |
| 1619. | Saccoloma squamosum | Saccoloma squamosum | Plants |
| 1620. | Saccoloma laxum | Saccoloma laxum | Plants |
| 1621. | Saffron Siskin | Carduelis siemiradzkii | Birds |
| 1622. | Sage | Salvia unguella | Plants |
| 1623. | Sage | Salvia peregrina | Plants |
| 1624. | Sage | Salvia loxensis | Plants |
| 1625. | Sage | Salvia ecuadorensis | Plants |
| 1626. | San Cristobal Mockingbird | Mimus melanotis | Birds |
| 1627. | San Lucas Marsupial Frog | Gastrotheca pseustes | Amphibians |
| 1628. | Sanchezia lampra | Sanchezia lampra | Plants |
| 1629. | Sandwort | Arenaria radians | Plants |
| 1630. | Santiago Galapagos Mouse | Nesoryzomys swarthi | Mammals |
| 1631. | Santiago Rocket Frog | Hyloxalus shuar | Amphibians |
| 1632. | Saurauia tambensis | Saurauia tambensis | Plants |
| 1633. | Saurauia striata | Saurauia striata | Plants |
| 1634. | Saurauia mexiae | Saurauia mexiae | Plants |
| 1635. | Saurauia aguaricana | Saurauia aguaricana | Plants |
| 1636. | Scalesia cordata | Scalesia cordata | Plants |
| 1637. | Scalesia atractyloides | Scalesia atractyloides | Plants |
| 1638. | Scalesia microcephala | Scalesia microcephala | Plants |
| 1639. | Scalesia gordilloi | Scalesia gordilloi | Plants |
| 1640. | Scalesia divisa | Scalesia divisa | Plants |
| 1641. | Scarlet-breasted Dacnis | Dacnis berlepschi | Birds |
| 1642. | Schizymenia ecuadoreana | Schizymenia ecuadoreana | Plants |
| 1643. | Schmidt's Stubfoot Toad | Atelopus pachydermus | Amphibians |
| 1644. | Sechura Desert Fox | Pseudalopex sechurae | Mammals |
| 1645. | Semicollared Hawk | Accipiter collaris | Birds |
| 1646. | Senna scandens | Senna scandens | Plants |
| 1647. | Serjania brevipes | Serjania brevipes | Plants |
| 1648. | Sharpfin Houndshark | Triakis acutipinna | Fishes |
| 1649. | Short-eared Dog | Atelocynus microtis | Mammals |
| 1650. | Silver Marsupial Frog | Gastrotheca plumbea | Amphibians |
| 1651. | Simira standleyi | Simira standleyi | Plants |
| 1652. | Siparuna palenquensis | Siparuna palenquensis | Plants |
| 1653. | Siparuna eggersii | Siparuna eggersii | Plants |
| 1654. | Siparuna campii | Siparuna campii | Plants |
| 1655. | Siphocampylus furax | Siphocampylus furax | Plants |
| 1656. | Siphocampylus fruticosus | Siphocampylus fruticosus | Plants |
| 1657. | Siphocampylus ecuadoriensis | Siphocampylus ecuadoriensis | Plants |
| 1658. | Siphocampylus uncipes | Siphocampylus uncipes | Plants |
| 1659. | Siphocampylus asplundii | Siphocampylus asplundii | Plants |
| 1660. | Siphocampylus rupestris | Siphocampylus rupestris | Plants |
| 1661. | Siphocampylus rostratus | Siphocampylus rostratus | Plants |
| 1662. | Siphocampylus lucidus | Siphocampylus lucidus | Plants |
| 1663. | Siphocampylus loxensis | Siphocampylus loxensis | Plants |
| 1664. | Slaty Becard | Pachyramphus spodiurus | Birds |
| 1665. | Smokey Bat | Amorphochilus schnablii | Mammals |
| 1666. | Solanopteris tuberosum | Solanopteris tuberosum | Plants |
| 1667. | Solanum semicoalitum | Solanum semicoalitum | Plants |
| 1668. | Solanum lanuginosum | Solanum lanuginosum | Plants |
| 1669. | Solanum dolichorhachis | Solanum dolichorhachis | Plants |
| 1670. | Solanum chimborazense | Solanum chimborazense | Plants |
| 1671. | Solanum carchiense | Solanum carchiense | Plants |
| 1672. | Solanum albornozii | Solanum albornozii | Plants |
| 1673. | Sooty Shearwater | Puffinus griseus | Birds |
| 1674. | Sorocea sarcocarpa | Sorocea sarcocarpa | Plants |
| 1675. | South American Rocket Frog | Hyloxalus anthracinus | Amphibians |
| 1676. | South American Tapir | Tapirus terrestris | Mammals |
| 1677. | Spanish Moss | Tillandsia demissa | Plants |
| 1678. | Spanish Moss | Tillandsia rubroviolacea | Plants |
| 1679. | Spanish Moss | Tillandsia cernua | Plants |
| 1680. | Spanish Moss | Tillandsia portillae | Plants |
| 1681. | Spanish Moss | Tillandsia acosta-solisii | Plants |
| 1682. | Spanish Moss | Tillandsia polyantha | Plants |
| 1683. | Spanish Moss | Tillandsia pachyaxon | Plants |
| 1684. | Spanish Moss | Tillandsia nervisepala | Plants |
| 1685. | Spanish Moss | Tillandsia indigofera | Plants |
| 1686. | Spanish Moss | Tillandsia zarumensis | Plants |
| 1687. | Spanish Moss | Tillandsia dyeriana | Plants |
| 1688. | Spanish Moss | Tillandsia umbellata | Plants |
| 1689. | Spatoglossum schmittii | Spatoglossum schmittii | Plants |
| 1690. | Speckled Smoothhound | Mustelus mento | Fishes |
| 1691. | Spectral Bat | Vampyrum spectrum | Mammals |
| 1692. | Spot-winged Parrotlet | Touit stictopterus | Birds |
| 1693. | Spotted Eagle Ray | Aetobatus narinari | Fishes |
| 1694. | Spruceanthus theobromae | Spruceanthus theobromae | Plants |
| 1695. | Stachytarpheta svensonii | Stachytarpheta svensonii | Plants |
| 1696. | Stenopadus andicola | Stenopadus andicola | Plants |
| 1697. | Stenospermation arborescens | Stenospermation arborescens | Plants |
| 1698. | Stenostephanus laxus | Stenostephanus laxus | Plants |
| 1699. | Stenostephanus harlingii | Stenostephanus harlingii | Plants |
| 1700. | Stenostephanus asplundii | Stenostephanus asplundii | Plants |
| 1701. | Steriphoma urbani | Steriphoma urbani | Plants |
| 1702. | Stevia anisostemma | Stevia anisostemma | Plants |
| 1703. | Stigmaphyllon nudiflorum | Stigmaphyllon nudiflorum | Plants |
| 1704. | Stigmaphyllon eggersii | Stigmaphyllon eggersii | Plants |
| 1705. | Stigmaphyllon ecudorense | Stigmaphyllon ecudorense | Plants |
| 1706. | Stilpnophyllum grandifolium | Stilpnophyllum grandifolium | Plants |
| 1707. | Stipa tulcanensis | Stipa tulcanensis | Plants |
| 1708. | String Sargassum | Sargassum setifolium | Plants |
| 1709. | Struthanthus lojae | Struthanthus lojae | Plants |
| 1710. | Styloceras kunthianum | Styloceras kunthianum | Plants |
| 1711. | Swartzia littlei | Swartzia littlei | Plants |
| 1712. | Swartzia aureosericea | Swartzia aureosericea | Plants |
| 1713. | Symplocos pluribracteata | Symplocos pluribracteata | Plants |
| 1714. | Symplocos globosa | Symplocos globosa | Plants |
| 1715. | Symplocos carmencitae | Symplocos carmencitae | Plants |
| 1716. | Symplocos blancae | Symplocos blancae | Plants |
| 1717. | Symplocos badia | Symplocos badia | Plants |
| 1718. | Symplocos truncata | Symplocos truncata | Plants |
| 1719. | Syngonium dodsonianum | Syngonium dodsonianum | Plants |
| 1720. | Tadapi Treefrog | Hyloscirtus alytolylax | Amphibians |
| 1721. | Talamancalia putcalensis | Talamancalia putcalensis | Plants |
| 1722. | Talamancalia fosbergii | Talamancalia fosbergii | Plants |
| 1723. | Talauma dixonii | Talauma dixonii | Plants |
| 1724. | Talisia bullata | Talisia bullata | Plants |
| 1725. | Talisia setigera | Talisia setigera | Plants |
| 1726. | Tanager Finch | Oreothraupis arremonops | Birds |
| 1727. | Tandapi Giant Glass Frog | Centrolene peristictum | Amphibians |
| 1728. | Tapirira rubrinervis | Tapirira rubrinervis | Plants |
| 1729. | Tartaruga | Podocnemis expansa | Reptiles |
| 1730. | Ternstroemia cleistogama | Ternstroemia cleistogama | Plants |
| 1731. | Thomas's Oldfield Mouse | Thomasomys pyrrhonotus | Mammals |
| 1732. | Tibouchina anderssonii | Tibouchina anderssonii | Plants |
| 1733. | Tonguefern | Elaphoglossum cladotrichium | Plants |
| 1734. | Tonguefern | Elaphoglossum jamesonii | Plants |
| 1735. | Tonguefern | Elaphoglossum sprucei | Plants |
| 1736. | Tonguefern | Elaphoglossum christii | Plants |
| 1737. | Tonguefern | Elaphoglossum isophyllum | Plants |
| 1738. | Tonguefern | Elaphoglossum spectabile | Plants |
| 1739. | Tonguefern | Elaphoglossum chodatii | Plants |
| 1740. | Tonguefern | Elaphoglossum herpestes | Plants |
| 1741. | Tonguefern | Elaphoglossum sodiroi | Plants |
| 1742. | Tonguefern | Elaphoglossum bonapartii | Plants |
| 1743. | Tonguefern | Elaphoglossum gracilipes | Plants |
| 1744. | Tonguefern | Elaphoglossum pteropodum | Plants |
| 1745. | Tonguefern | Elaphoglossum angamarcanum | Plants |
| 1746. | Tonguefern | Elaphoglossum gossypinum | Plants |
| 1747. | Tonguefern | Elaphoglossum polytrichum | Plants |
| 1748. | Tonguefern | Elaphoglossum actinolepis | Plants |
| 1749. | Tonguefern | Elaphoglossum engleri | Plants |
| 1750. | Tonguefern | Elaphoglossum pellucidum | Plants |
| 1751. | Tonguefern | Elaphoglossum corazonense | Plants |
| 1752. | Tonguefern | Elaphoglossum longissimum | Plants |
| 1753. | Tonguefern | Elaphoglossum trichophorum | Plants |
| 1754. | Topobea verrucosa | Topobea verrucosa | Plants |
| 1755. | Topobea toachiensis | Topobea toachiensis | Plants |
| 1756. | Topobea maguirei | Topobea maguirei | Plants |
| 1757. | Topobea macbrydei | Topobea macbrydei | Plants |
| 1758. | Topobea eplingii | Topobea eplingii | Plants |
| 1759. | Topobea cutucuensis | Topobea cutucuensis | Plants |
| 1760. | Toucan Barbet | Semnornis ramphastinus | Birds |
| 1761. | Tournefortia obtusiflora | Tournefortia obtusiflora | Plants |
| 1762. | Tovomita aequatoriensis | Tovomita aequatoriensis | Plants |
| 1763. | Tracaja | Podocnemis unifilis | Reptiles |
| 1764. | Triolena campii | Triolena campii | Plants |
| 1765. | Triolena asplundii | Triolena asplundii | Plants |
| 1766. | Tropaeolum umbellatum | Tropaeolum umbellatum | Plants |
| 1767. | Tropaeolum carchense | Tropaeolum carchense | Plants |
| 1768. | Tropical Acidweed | Desmarestia tropica | Plants |
| 1769. | Tschudi's Yellow-shouldered Bat | Sturnira oporaphilum | Mammals |
| 1770. | Turnera hindsiana | Turnera hindsiana | Plants |
| 1771. | Turquoise-throated Puffleg | Eriocnemis godini | Birds |
| 1772. | Tzunantza Giant Glass Frog | Centrolene durrellorum | Amphibians |
| 1773. | Ucucha Thomasomys | Thomasomys ucucha | Mammals |
| 1774. | Uncinia lacustris | Uncinia lacustris | Plants |
| 1775. | Unexpected Cotton Rat | Sigmodon inopinatus | Mammals |
| 1776. | Uniola condensata | Uniola condensata | Plants |
| 1777. | Valeriana secunda | Valeriana secunda | Plants |
| 1778. | Valle Santiago Beaked Toad | Rhinella festae | Amphibians |
| 1779. | Vellard's Water Frog | Telmatobius vellardi | Amphibians |
| 1780. | Verbesina harlingii | Verbesina harlingii | Plants |
| 1781. | Verbesina ecuatoriana | Verbesina ecuatoriana | Plants |
| 1782. | Verbesina barclayae | Verbesina barclayae | Plants |
| 1783. | Verbesina villonacoensis | Verbesina villonacoensis | Plants |
| 1784. | Verbesina minuticeps | Verbesina minuticeps | Plants |
| 1785. | Vernonia nonoensis | Vernonia nonoensis | Plants |
| 1786. | Viburnum divaricatum | Viburnum divaricatum | Plants |
| 1787. | Viguiera media | Viguiera media | Plants |
| 1788. | Violet | Viola cuicochensis | Plants |
| 1789. | Violet-throated Metaltail | Metallura baroni | Birds |
| 1790. | Virola surinamensis | Virola surinamensis | Plants |
| 1791. | Vriesea strobeliae | Vriesea strobeliae | Plants |
| 1792. | Vriesea petraea | Vriesea petraea | Plants |
| 1793. | Vriesea drewii | Vriesea drewii | Plants |
| 1794. | Vriesea appendiculata | Vriesea appendiculata | Plants |
| 1795. | Waterfall Rocket Frog | Colostethus jacobuspetersi | Amphibians |
| 1796. | Wattled Guan | Aburria aburri | Birds |
| 1797. | Waved Albatross | Phoebastria irrorata | Birds |
| 1798. | Wedelia oxylepis | Wedelia oxylepis | Plants |
| 1799. | Weinmannia costulata | Weinmannia costulata | Plants |
| 1800. | Wellington's Solitary Coral | Rhizopsammia wellingtoni | Corals, Jellyfish, and Sea Anemones |
| 1801. | Werauhia diantha | Werauhia diantha | Plants |
| 1802. | Western Nectar Bat | Lonchophylla hesperia | Mammals |
| 1803. | Wettinia minima | Wettinia minima | Plants |
| 1804. | Whale Shark | Rhincodon typus | Fishes |
| 1805. | White-chinned Petrel | Procellaria aequinoctialis | Birds |
| 1806. | White-lipped Peccary | Tayassu pecari | Mammals |
| 1807. | White-necked Parakeet | Pyrrhura albipectus | Birds |
| 1808. | Wissadula divergens | Wissadula divergens | Plants |
| 1809. | Wissadula diffusa | Wissadula diffusa | Plants |
| 1810. | Wood-sorrel | Oxalis ecuadorensis | Plants |
| 1811. | Wood-sorrel | Oxalis pennelliana | Plants |
| 1812. | Wood-sorrel | Oxalis norlindiana | Plants |
| 1813. | Xanthosoma eggersii | Xanthosoma eggersii | Plants |
| 1814. | Xenophyllum acerosum | Xenophyllum acerosum | Plants |
| 1815. | Xyris andina | Xyris andina | Plants |
| 1816. | Yellow-eared Parrot | Ognorhynchus icterotis | Birds |
| 1817. | Yellow-green Bush-tanager | Chlorospingus flavovirens | Birds |
| 1818. | Yellow-headed Manakin | Xenopipo flavicapilla | Birds |
| 1819. | Yellow-spotted Andes Frog | Lynchius flavomaculatus | Amphibians |
| 1820. | Zapoteca aculeata | Zapoteca aculeata | Plants |
| 1821. | Zygia steyermarkii | Zygia steyermarkii | Plants |
| 1822. | Zygophlebia eminens | Zygophlebia eminens | Plants |
