TY  - RPRT
TI  - Clinal variation or validation of a subspecies? A case study of the Graptemys nigrinoda complex (Testudines: Emydidae)
AU  - Joshua R. Ennen
AU  - Marley E. Kalis
AU  - Adam L. Patterson
AU  - Brian R. Kreiser
AU  - Jeffrey E. Lovich
AU  - James Godwin
AU  - Carl P. Qualls
PY  - 2014
DO  - 10.1111/bij.12234
UR  - https://pubs.usgs.gov/publication/70100580
ID  - 70100580
ER  -