By Lea, Per, Leegood, Richard C.
By Arthur W. Galston
By Beverley Glover (Professor of Plant Systematics and Evolution, Professor of Plant Systematics and Evolution, Department of Plant Sciences, University of Cambridge)
By Kerry F. Harris (Texas A&M University, College Station, U.S.A.), Oney P. Smith (Hood College, Frederick, Maryland, James E. Duffus (United States Department of Agriculture, Salinas, California)
By D. H. Jennings, A. J. Trewavas
By Bruce Schaffer, Peter C. Andersen
By Konrad Dettner, Gerhard Bauer, Wolfgang Volkl
By Robert Geneve (University of Kentucky, USA), John Preece (University of California, Scott Merkle (University of Georgia
By P.M. Harris
By Harborne, Jeffrey B.
By Lydiane Kyte, John Kleyn, John G. Kleyn
By Hall, David
By Ting, Irwin P.
By Bartz, Jerry A., Brecht, Jeffrey K.
By Hart, J.W.
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
By Lahiri Majumder, A., Biswas, B. B.
By Parbery, Douglas G.
By Vidhyasekaran, P.