“concat_contigs.py” script for generation of RefBeet-1.2.joined.fa. The python script “concat_contigs.py” and supporting files were used to generate the concatenated sequence RefBeet-1.2.joined.fa from RefBeet-1.2.fna [GenBank:AYZS00000000.1] [18]. It was tested on Unix/Linux systems with at least python version 2.7 installed. (ZIP 2 kb