trnL data were generated by Pierre Taberlet and Eric Coissac at Laboratoire d’Ecologie Alpine (LECA), Centre National de la Recherche Scientifique and Université Grenoble-Alpes. This file contains trnL data with taxonomy added, where possible, as described below. References can be found in Metcalf et al. 2017, Scientific Reports. MOTU identification was done using the ecoTag algorithm[40], the reference database was constituted from the EMBL Nucleotide Sequence database release 126[41] using ecoPCR[42].