@misc{indiciae5811ad2b76f9, title = {Clinal variation or validation of a subspecies? A case study of the Graptemys nigrinoda complex (Testudines: Emydidae)}, author = {Joshua R. Ennen and Marley E. Kalis and Adam L. Patterson and Brian R. Kreiser and Jeffrey E. Lovich and James Godwin and Carl P. Qualls}, year = {2014}, doi = {10.1111/bij.12234}, url = {https://pubs.usgs.gov/publication/70100580}, note = {Source identifier: 70100580} }