Example of external data file

Holding institute  Collection name  Taxonomy  Country of origin  Accession name
374080.1  CIP  Potato  SOL   CIPHQ   TahuaqueƱa
374080.5  CIP  Potato  SOL   CIPHQ   Perricholi
377257.1  CIP  Potato  SOL   CIPHQ   LT-1
378699.2  CIP  Potato  SOL   CIPHQ   Kinigi

The first line defines external data names and is one column shorter than the other lines as it contains no germplams ID The first column defines germplasm IDs, which must match those found in the allelic data file.
Other columns can be filled with names and values of your choice.
Columns must be tabulation-separated.