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1956
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Highton, Richard. The relationships of the salamanders of the genus Plethodon. Dissertation. University of Florida, Gainesville. 224pp.
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1962
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Highton, Richard. Revision of North American salamanders of the genus Plethodon. Bulletin of the Florida State Museum, Biological Sciences 6(3):235-267
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1979
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Highton, Richard and A. Larson. The genetic relationships of salamanders of the genus Plethodon. Systematic Zoology 28(4):579-599
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1979
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Maxson, Linda R., Richard Highton, and David B. Wake. Albumin evolution and its phylogenetic implications in the plethodontid salamander genera Plethodon and Ensatina. Copeia 1979(3):502-508
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1991
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Highton, Richard H. Molecular phylogeny of Plethodonine salamanders and Hylid frogs: Statistical analysis of protein comparisons. Molecular Biology and Evolution 8(6):796-818
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1993
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Arnold, Steven J., Nancy L. Reagan, and Paul A. Verrell. Reproductive isolation and speciation in plethodontid salamanders. Herpetologica 49(2):216-228
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2005
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Mead, L. S., D. R. Clayton, R. S. Nauman, D. H. Olson, and M. E. Pfrender. Newly discovered populations of salamanders from Siskiyou County California represent a species distinct from Plethodon stormi. Herpetologica 61:158–177
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2006
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Kozak, Kenneth H., David W. Weisrock, and Allan Larson. Rapid lineage accumulation in a non-adaptive radiation: Phylogenetic analysis of diversification rates in eastern North American woodland salamanders (Plethodontidae: Plethodon). Proceedings of the Royal Society B 2006(273):539-546
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2010
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Kozak, Kenneth H. and John J. Wiens. Accelerated rates of climatic-niche evolution underlie rapid species diversification. Ecology Letters 13:1378-1389
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