sentences:  However, the nominal taxon includes two species, and true "Dryaderces pearsoni" is only known with certainty from Bolivia.The specific name "pearsoni" honors Nathan E. Pearson, an American ichthyologist who made a "splendid collection of amphibians" during an expedition to Bolivia, including the holotype of this species.Common name Pearson's slender-legged treefrog has been coined for the species.