R. J. Pankhurst
A Polyclave to the monocotyledonous families of the World
Biological identification
Biological Identification with Computers (Systematics Association special volume ; no. 7)
Designs for a global plant species information system
Magmatism and the causes of continental break-up
Practical taxonomic computing
The proto-Andean margin of Gondwana
West Gondwana
Flora of the Outer Hebrides
Polyclave for Rubus fruticosus agg in Great Britain
Practical Taxonomic Computering