GBS data from Teira dugesii, Madeira, Portugal
Genotyping-by-sequencing (GBS) sequencing libraries were constructed using the NGS Fast DNA Library Prep Set (Illumina, SanDiego, CA, US). Restriction Enzymes were ApeK and PstI. The library was purified using magnet bead and then electrophoresed. DNA fragments of 350-450bp were excised and diluted for paired-end sequencing.