1-fastq: The raw sequencing files R1 = Forward: 160812_SND405_A_L001_HUA-5_R1.fastq.gz R2 = Reverse: 160812_SND405_A_L001_HUA-5_R2.fastq.gz 2-scripts: The Obitools scripts for creating the taxonomic database (version: embl133_gh.fasta) and analyzing the raw sequencing data creating: embl133creation_OBITools.txt analyzing: MetabarcodingData_analysis_OBITools.txt 3-tag-sample-matirx: de-multiplex tagged pooled samples tagfile_14OM.txt 4-taxonomic_database: the EMBL (embl133_gh.fasta) and Arctic and Boreal vascular plant and bryophyte reference libraries (arctborbryo_gh.fasta and ecochange.zip) The final tables are supplementary extended excel files of article (will be accepted after submitting the data to Dryad): Holocene vegetation and plant diversity changes in the north-eastern Siberian treeline region from pollen and sedimentary ancient DNA Sisi Liu, Kathleen R. Stoof-Leichsenring, Stefan Kruse, Luidmila A. Pestryakova, Ulrike Herzschuh Frontiers in Ecology and Evolution