@misc{indiciae2e204d2b1874,
  title = {Rana sphenocephala Cope, 1886: southern leopard frog},
  author = {B. P. Butterfield and M.J. Lannoo and P. Nanjappa},
  year = {2005},
  url = {https://pubs.usgs.gov/publication/5211295},
  note = {Source identifier: 5211295}
}