TY - RPRT TI - Clinal patterns in genetic variation for northern leopard frog ( Rana pipiens ): Conservation status and population histories AU - Craig A. Stockwell AU - Justin D.L. Fisher AU - Kyle I. McLean PY - 2016 DO - 10.1007/s13157-016-0847-3 UR - https://pubs.usgs.gov/publication/70178571 ID - 70178571 ER -