1. Experiences in computerizing the National Fungus Collections’ specimen label data;Farr;Mycotaxon,1986
2. Dallwitz , M. J. 1996 Programs for Interactive Identification and Information Retrieval delta-intkey.com/www/idprogs.htm.
3. Dallwitz , M. J. Paine , T. A. Zurcher , E. J. 2005 Interactive Identification Using the Internet delta-intkey.com/www/netid.htm.
4. The potential for computer-aided identification in biodiversity research;Edwards;Tree,1995
5. A method to establish and revise descriptive data sets over the internet;Hagedorn;Taxon,2000