By Ting, Irwin P.
By J. Coombs, etc., D.O. Hall (Kings College, University of London), S.P. Long (University of Essex, Colchester), J.M.O. Scurlock (King's College
By Beverley Glover (Professor of Plant Systematics and Evolution, Professor of Plant Systematics and Evolution, Department of Plant Sciences, University of Cambridge)
By T. Hodgkin, A.H.D. Brown, T.J.L. van Hintum, E.A.V. Morales
By Arthur W. Galston
By Natural History Museum, Peter Edwards
By Maurice S. McDonald (National University of Ireland, Galway)
By Graham Russell (University of Edinburgh), Bruce Marshall (Scottish Crop Research Institute, Dundee), Paul G. Jarvis (University of Edinburgh)
By A. Fahn
By Walkey, D.G.
By Roderick KClayton
By Harborne, Jeffrey B.
By Lydiane Kyte, John Kleyn, John G. Kleyn
By Hall, David
By Alastair H. Fitter (University of York, U.K.), Robert K.M. Hay (Scottish Agricultural Science Agency, EDINBURGH, Scotland)
By Bartz, Jerry A., Brecht, Jeffrey K.
By Hart, J.W.
By Lea, Per, Leegood, Richard C.
By Salisbury, Frank, Ross, Cleon
By Miflin, B. J.
By WINK, Michael
By Walker, David, Richard
By Alloway, Brian J.
By Sahoo, Dinabandhu, Seckbach, Joseph
By Seckbach, Joseph, Chapman, David J.
By Meinzer, Frederick C., Lachenbruch, Barbara, Dawson, Todd E.
By Justes, Eric
By Ashraf, Muhammad, Öztürk, Munir, Ahmad, Muhammad Sajid Aqeel, Aksoy, Ahmet
By Biancardi, Enrico, Tamada, Tetsuo