Oregon Spotted Frog Rana pretiosa  Baird & Girard, 1853

Taxonomic Comments:

Frost, Grant, Faivovich, Bain, Haas, Haddad, De Sá, Channing, Wilkinson, Donnellan, Raxworthy, Campbell, Blotto, Moler, Drewes, Nussbaum, Lynch, Green & Wheeler (2006. The Amphibian Tree of Life. Bulletin of the American Museum of Natural History 297: 1-370) retained this frog in the genus Rana. W. Chris Funk, Christopher A. Pearl, Hope M. Draheim, Michael J. Adams, Thomas D. Mullins & Susan M. Haig (2008. Range-wide phylogeographic analysis of the Spotted Frog complex (Rana luteiventris and Rana pretiosa) in northwestern North America. Molecular Phylogenetics and Evolution 49: 198-210), using mtDNA, corroborated earlier research that concluded this taxon was a distinct species.