By Hooper, Madge
By Chidumayo, Emmanuel
By Royal Botanic Gardens, Kew
By Mabberley, D. J.
By Seidel, Dankwart, McClintock, David, Eisenreich, Wilhelm, Bell, A.
By Pilcher, Helen
By Joy Tivy
By Y.M. Menzies, Maggie Redfern
By James Merryweather, Michael Hill
By N.T. Gill, K.C. Vear
By Graham Russell (University of Edinburgh), Bruce Marshall (Scottish Crop Research Institute, Dundee), Paul G. Jarvis (University of Edinburgh)
By J. G. Hawkes
By J. H. M. Thornley
By Alastair H. Fitter (University of York, U.K.), Robert K.M. Hay (Scottish Agricultural Science Agency, EDINBURGH, Scotland)
By Malcolm B. Wilkins
By David Middleton
By John Brownlie, Forrester Sue
By Patricia Fara
By Franklin Bretschneider (Utrecht University, utrecht, The Netherlands), Jan R. de Weille (University of Montpellier, Montpellier, France)
By Edward Hyams
By Andrew Sclater
By Ray Desmond
By A.D. Imms, O.W. Richards, R.G. Davies
By Nadine B Carozzi
By DK, The Royal Botanic Gardens, Kew
By Sue Colledge, James Conolly
By Lacey, Stephen
By Ernest H. Williams (Professor in the Department of Biology, Professor in the Department of Biology, Hamilton College)
By Richard Mabey