By Drori, Jonathan, Clerc, Lucille
By Josep G. Canadell, Diane E. Pataki, Louis F. Pitelka
By Nick Poulter
By Andrea Wulf
By Brian J Huntley
By Daniel J. Hinkley
By P.H. Li
By Alan Major
By Sue Minter, H.R.H. Duke of Edinburgh
By Fidler, J.C., Wilkinson, B.G., Edney, K.L., Sharples, R.O.
By C. Broertjes, A.M. van Harten
By The European Garden Flora Editorial Committee (University of Cambridge Botanic Garden)
By Robert W. Allard
By R. J. Garner
By Adel A Kader
By Tim D. Davis, Bruce E. Haissig, Narendra Sankhla
By D.O'D. Bourke, etc.
By Fiona Davison
By Anthony Hogg
By Carol R. Peterson
By Heywood
By Alan Bloom
By Jonathan Edwards
By Mike Dash
By Jonathan Drori, Lucille Clerc
By Denis J Murphy (, Head of Biotechnology Unit, Division of Biological Sciences, University of Glamorgan, UK)
By Donald & Petie Kladstrup
By Faith, Nicholas.
By P.J. Salter, J.K.A. Bleasdale