"IUCN3.1" . . . "*Bufo nelsoni" . . "Amargosa toad"@en . "The Amargosa toad (Anaxyrus nelsoni), previously known as Bufo nelsoni, is a species of toad in the Bufonidae family. It was at one time considered to be a subspecies of the Western toad. It is threatened by habitat loss and is classified by the IUCN as being \"endangered\"."@en . "EN" . . . . . . . "*Bufo boreas ssp. nelsoni Stejneger, 1893" .