The Dixie Valley toad is the smallest toad within the A. boreas species complex. This specie's dorsum has a broken cream stripe and irregularly distributed rust-colored tubercles with black margins. Its dorsal ground color contains hues of olive with small irregular black specks. The face is heavily specked and the parotoid glands are tan. The throat is immaculate white while the white venter is heavily mottled with black. It is distinguished from other species in the A. boreas species complex by its unique coloration, narrower head with longer relative snout length, shorter parotoids, shorter hind legs, large closely set eyes, and large tympanum. 

You can see more of this endangered toad by viewing our Dixie Valley toad imagery.