Locality data and groupings of samples for hierarchical analyses of samples from the Gila robusta complex, Arizona-New Mexico.

D = DeMarais,S = Schwemm,* = this studyAll sub-basins are within the Gila River basin except for the Bill Williams River, which is a direct tributary to the lower Colorado River. Taxonomic identity of sampled individuals follows Minckley and DeMarais [21]. Coordinates are provided in UTM, elevation is in meters, and the column “N” provides number of individuals analyzed, with the superscript identifying the original source of material.