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by Bauer, Wolfgang; Westfall, Gary
by Brian J. Skinner (Yale University, New Haven, CT); Barbara W. Murck (University of Toronto)
by Perkowski, Debra A.; Perkowski, Michael; University of Missouri, UMO
by Young, Hugh D.; Freedman, Roger A.
by Alexander J. Ninfa (University of Michigan, Ann Arbor ); David P. Ballou (University of Michigan, Ann Arbor ); Marilee Benore (University of Michigan, Dearborn)
by Florida Natural Areas Inventory, Institute of Science & Public Affairs, Florida State University
by Armin Schwegler (University of California, Irvine); Juergen Kempff (University of California, Irvine); Ana Ameal-Guerra (University of California, Berkeley)
by Damodaran, Aswath
by Kesten, Philip R.; Tauck, David L.
by Lendal H. Kotschevar (Formerly of Michigan State Univ.); Valentino Luciani (University of Nevada, Las Vegas)
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