Ph.D.
Botany. University of Texas, Austin, 1982.
M.S. Botany, 1978. Virginia Polytechnic Institute &
State University, Blacksburg, Virginia.
B.S.
Biology, 1975. Virginia Polytechnic Institute &
State University, Blacksburg, Virginia.
Universidad
de las Américas, 1973-1974, 1976. Cholula, Puebla,
México.