Collinses' Mountain Chorus Frog
Pseudacris collinsorum
Ospina, Tieu, Apodaca, and Lemmon, 2020
SOO-day-kriss — kal-in-SOR-um
SSAR 9th Edition Comments:
Ospina et al. (2020, Copeia 108: 778–795) split P. brachyphona into two species by designating the name P. collinsorum to the southern populations and maintaining the name P. brachyphona for the northern populations, citing male call differences, nDNA and mtDNA genetic differences and reciprocal monophyly, ecological niche divergence, and geographic separation between the two species.
(Mendelson, Joseph R., III, Darrel R. Frost, Emily Moriarty Lemmon, and Maureen A. Donnelly. 2025. Anura – Frogs. Pages 1-9 in Kirsten E. Nicholson (Editor), Scientific and Standard English Names of Amphibians and Reptiles of North America North of Mexico, with Comments Regarding Confidence in Our Understanding, 9th Edition. Society for the Study of Amphibians and Reptiles, Lawrence, Kansas. 87 pp.)
Range maps are based on curated specimens and provided gratis by CNAH.
(Created by Travis W. Taggart; Version: 2025.08.16.14.29.26)
Download GeoJSON polygon range file: - 0.11 MB
Taxonomic Etymology:
Named for two prominent herpetologists.
Pseudacris — From Greek pseudes (ψευδής), “false,” and akris (ἀκρίς), “locust.” Likely refers to their insect-like trilling calls—“false locusts.”
collinsorum — A plural patronym honoring Joseph T. Collins and Suzanne L. Collins, American herpetologists and conservationists known for their work on taxonomy and field research in the southeastern U.S.
First instance(s) of published English names:
Mountain Chorus Frog (Pseudacris brachyphona: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Chorus Frog (Pseudacris brachyphona: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Collinses' Mountain Chorus Frog (Pseudacris collinsorum: Ospina, Oscar E., Lynee Tieu, Joseph J. Apodaca, and Emily Moriarty Lemmon. 2020. Hidden diversity in the Mountain Chorus Frog (Pseudacris brachyphona) and the diagnosis of a new species of chorus frog in the southeastern United States. Copeia 2020(4):778-795);
Catalog of American Amphibians and Reptiles
Amphibian Species of the World
GenBank
USGS - Nonindigenous Aquatic Species Database
Selected References:
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1923
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Noble, G. Kingsley. The generic and genetic relations of Pseudacris, the swamp tree frogs. American Museum Novitates (70):1-6
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1980
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Hoffman, R. L. Pseudacris brachyphona. Catalogue of American Amphibians and Reptiles (234):1–2
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2004
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Moriarty, Emily C. and David C. Cannatella. Phylogenetic relationships of the North American Chorus Frogs (Pseudacris: Hylidae) Molecular Phylogenetics and Evolution 30:409-420
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2005
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Faivovich, J., C. F. B. Haddad, P. C. de A. Garcia, D. R. Frost, J. A. Campbell, and W. C. Wheeler. Systematic review of the frog family Hylidae, with special reference to Hylinae: A phylogenetic analysis and taxonomic revision. Bulletin of the American Museum of Natural History (294):1–240
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2007
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Moriarty-Lemmon, Emily. Patterns and Processes of Speciation in North American Chorus Frogs (Pseudacris). Dissertation. University of Texas, Austin. 304pp.
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2020
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Ospina, Oscar E., Lynee Tieu, Joseph J. Apodaca, and Emily Moriarty Lemmon. Hidden diversity in the Mountain Chorus Frog (Pseudacris brachyphona) and the diagnosis of a new species of chorus frog in the southeastern United States. Copeia 2020(4):778-795
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2023
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Dodd, C. Kenneth. Frogs of the United States and Canada. Second Edition. John Hopkins University Press, Baltimore, Maryland. 1032pp.
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