Speciation along a latitudinal gradient: The origin of the Neotropical cycad sister pair Dioon sonorense-D. vovidesii (Zamiaceae)

Zip files deposited here contain:-Raw Illumina sequences obtained from double-digested RAD-Seq of 89 samples of Dioon sonorense and D. vovidesii.-Input files in STRUCTURE format of four datasets, 1) neutral loci only, 2) all loci, 3) outliers only, 4) subset used in Approximate Bayesian Computation.-Environmental data of locations where populations of D. sonorense and D. vovidesii occur.