Eric G. Sundell (Ph.D. 1980): Studies of the Asclepiadaceae. [Assistant Professor, University of Arkansas at Monticello].
Shu-Miaw Chaw (Ph.D. 1985): A taxonomic study of the Old World species of Antirhea Commerson ex Jussieu (Rubiaceae). [Staff Scientist, Academia Sinica, Taiwan].
Rudolf Meier: (M.S. 1989 - German Government Exchange Fellowship): Homoplasy slope ratio: A better measurement of observed homoplasy in cladistic analyses. [Doctoral program, Department of Entomology, Cornell University].
Mia Molvray (Ph.D. 1990 - National Science Foundation Predoctoral Fellowship): [Systematics of Korthalsella (Viscaceae). [Assistant Professor, University of Oklahoma].
Paul J. Kores (Ph.D. 1993): Systematic study of the genus Acianthus (Orchidaceae: Diurideae). [Staff Botanist, Oklahoma Biological Survey].
A. Miles Arnott (M.S. 1994): Systematic studies in Gesneriaceae. [Staff Horticulturist, Callaway Gardens, Georgia].
Simon S. Comerford: (M.S. 1995): Medicinal Plants of San Andres, Peten, Guatemala.  [Staff, Fundacion ProPeten, Flores, Guatemala].
Maria G. Fadiman (M.A. 1997): Uses of jipi (Carludovica) and bom (Sabal) in Becal, Campeche, Mexico. [Doctoral program, Department of Geography, University of Texas at Austin].
Marcus J. Wasilevich (Ph.D. 2001): Effects of hydroperiod on seed and seedling banks in a bottomland hardwood forest of southeastern Louisiana. [Faculty position, Lansing Community College, Michigan].
Michael T. Tercek (Ph.D. 2003 - EPA STAR Fellowship): Ecology and evolution of geothermally adapted Agrostis (bentgrass) of North America and the Kamchatka Peninsula. [Postdoctoral Researcher, Montana State University].
J. Christopher Brown (Ph.D. 2005): A study of forest communities and woody plant distributions in the Calakmul Biosphere Reserve, Campeche, Mexico. [Staff Botanist, U. S. Army Corps of Engineers].
Samantha S. Gerlach (Ph.D. 2010): Characterization and bioactivity of cyclotides from Psychotria leptothyrsa (Rubiaceae). [Postdoctoral Fellow, Department of Pharmacology, Tulane University].