PROCEEDINGS of the 1987 'Natur Och Kultursymposium (1987: St
Systematic Botany- a key science for tropical research and documentation
/ sponsored by ACTA Universitatis Upsaliensis on Symbolae Botanicae Upsalienses XXVIII:3, Uppsala, September 14-17, 1987;edited by Hedberg, Inga
- New York Almqvist & Wiksell International 1988
- 285 p.