Now that sufficient specimens are available from throughout the range it is possible to determine that the various named populations are conspecific.
"A Review of the Middle American Tree Frogs of the Genus Ptychohyla"
William E. Duellman
These species are closely related, possibly conspecific.
"A Review of the Frogs of the Hyla bistincta Group"
William E. Duellman
Throughout most of this region it occurs with another mouse, currently regarded as conspecific with Apodemus sylvaticus, and the two kinds have been confused by some previous authors.
"Comments on the Taxonomic Status of Apodemus peninsulae, with Description of a New Subspecies from North China"
J. Knox Jones, Jr.