Article

The structure, contents and current progress of the Chromosome Database of the Catalan Countries are presented. This database, named CROMOCAT, covers a flora of 4,360 taxa of vascular plants on an area of nearly 70,000 square kilometres. The total number of records are 23,610 for the table named CRO-OUT and 2,332 for the table named CRO-IN; the territories with the highest number of chromosome reports are the Balearic Islands and the Pyrenaean provinces.