is a small species of frog, ranging from .75 of an inch to 1.25 inches in total length. A characteristic 'X' mark can usually be seen on the back of the frog. While P. crucifer
displays no distinct color patterns on its surface, its observed color may be yellow, brown, gray or olive. This species may be distinguished from other members of the genus by its lack in distinct stripes, mottling, spotting, and the characteristic 'X' mark. P. c. bartramiana
. and P. c. crucifer
There are two described subspecies, the Northern Spring Peeper and the Southern Spring Peeper. The Northern subspecies has a virtually plain stomach while the southern one has prominent dark spots on the belly.
This species account was based on the account written by Conart and Collins, 1991.
Conant, R. and Collins, J. T. (1991). A Field Guide to Reptiles and Amphibians: Eastern/Central North America. Houghton Mifflin, Boston.