Carl Gerhardt; John A. Doherty (1988). "Acoustic communication in the gray treefrog, 'Hyla versicolor': evolutionary and neurobiological implications". J. Comp. Physiol. A. 162 (2): 261–278. doi:10.1007/BF00606090. S2CID35561883.
H. Carl Gerhardt; Margaret B. Ptacek; Louise Barnett; Kenneth G. Torke (1994). "Hybridization in the Diploid-Tetraploid Treefrogs Hyla chrysoscelis and Hyla versicolor". Copeia. 1994 (1): 51–59. doi:10.2307/1446670. JSTOR1446670.
McCollum, S. (12 May 2017). "Costs and benefits of a predator-induced polyphenism in the gray treefrog Hyla chrysoscelis". Evolution. 50 (2): 583–593. doi:10.2307/2410833. JSTOR2410833. PMID28568914.
H. Carl Gerhardt; Margaret B. Ptacek; Louise Barnett; Kenneth G. Torke (1994). "Hybridization in the Diploid-Tetraploid Treefrogs Hyla chrysoscelis and Hyla versicolor". Copeia. 1994 (1): 51–59. doi:10.2307/1446670. JSTOR1446670.
McCollum, S. (12 May 2017). "Costs and benefits of a predator-induced polyphenism in the gray treefrog Hyla chrysoscelis". Evolution. 50 (2): 583–593. doi:10.2307/2410833. JSTOR2410833. PMID28568914.
McCollum, S. (12 May 2017). "Costs and benefits of a predator-induced polyphenism in the gray treefrog Hyla chrysoscelis". Evolution. 50 (2): 583–593. doi:10.2307/2410833. JSTOR2410833. PMID28568914.
Carl Gerhardt; John A. Doherty (1988). "Acoustic communication in the gray treefrog, 'Hyla versicolor': evolutionary and neurobiological implications". J. Comp. Physiol. A. 162 (2): 261–278. doi:10.1007/BF00606090. S2CID35561883.