Data from: Homogenization of populations in the wildflower Texas bluebonnet (Lupinus texensis)

We use genotyping by sequencing to identify 11,741 genome-wide single nucleotide polymorphisms, as well as a smaller number of SNPs from the chloroplast genome, to analyze population structure and genetic diversity within and between the populations. We find a striking lack of population structure both between wild and seeded populations and amongst wild populations. STRUCTURE analyses indicate that all populations are apparently panmictic.

This pattern may be explained by extensive swamping of wild populations by seeded germplasm and increased dispersal of semi-domesticated seed across this species’ core native range by humans. We discuss the possible negative and positive ramifications of homogenization on the evolutionary future of this popular wildflower species.

Usage notes

Supplementary tables and figures Supplementary material for "Homogenization of populations in the wildflower Texas bluebonnet (Lupinus texensis)." Bluebonnet_supmat_rev.pdf Main parameters for STRUCTURE run K=1 to K=5 mainparams STRUCTURE input file dDoccat.FinalSNP.structure Unfiltered SNPs TotalRawSNPs.vcf.gz Filtered SNPs dDoccat.FinalSNP.vcf De novo reference assembly reference.fasta.gz Data files for chloroplast haplotype analysis chloroplast.zip Code repository Github repository storing bash, dDocent, R, and other scripts used in this paper.