Illustration of the data resources available to the retrieval project: (i) a sample of the boxes of original copies of papers and reports (A), (ii) a table extracted from a publication prepared for data entry (B), (iii) a sample of the hard copy printouts showing alphanumeric lists of species under each location and community (C), (iv) the magnetic tapes on which backups were kept from day to day during the 1980s project (D), and (v) an exabyte tape on to which the data from the magnetic tapes were transferred in 1991 (E).