Distinguishing the Treefrogs "Hyla versicolor" and "Hyla chrysoscelis" in Iowa, and Their Distributions
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Issue Date
1997-05
Authors
Oberfoell, Catherine E.C.
Keywords
Hyla versicolor. , Hyla chrysoscelis. , Frogs--Iowa.
Description
[iv], 36 leaves. Advisor: James L. Christiansen.