Peter H. Raven
P. Greig-Smith
Gary J. Martin
John Stuart Mill
Thomas J. Stohlgren
Rudra P. Singh
Klein, Richard M.
Tansley, A. G. Sir
H. F. Linskens
Georg Wöhrle
Frances E. Cook
Wolfgang Böhm
NATO Advanced Study Institute on Techniques and New Developments in Photosynthesis Research (1988 Island of Spetsai, Greece)
John Francis Tuite
K. M. Sytnik
Z. Šesták
Edward Adrian Woodruffe-Peacock
Flora of the Southeast US Symposium (1998 Botanical Research Institute of Texas)