This article is brought to you by our exclusive subscriber partnership with our sister title USA Today, and has been written by our American colleagues. It does not necessarily reflect the view of The ...
Savage, Jay M. and Heyer, W. Ronald. 1967. "Variation and distribution in the tree-frog genus Phyllomedusa in Costa Rica, central America." Beiträge zur Neotropischen Fauna, 5 111–131.