Anaxyrus cognatus

Sources

1. Goin, O.B., C.J. Goin, and K. Bachmann (1968). DNA and amphibian life history. Copeia 1968: 532-540.
2. Makino, S. (1951). An atlas of the chromosome numbers in animals. Iowa State College Press, Ames.
3. Cole, C. J., C. H. Lowe. and J. W. Wright. 1968. Karyotypes of eight species of toads (genus Bufo) in North America. Copeia 1968: 96-100.R.D. Perkins, J.R. Gamboa, M.M. Jonika, J. Lo, A. Shum, R.H. Adams, H. Blackmon. The Amphibian Karyotype Database. Chromosome Research. https://doi.org/10.1007/s10577-019-09613-1