Education Ph.D., Iowa State University, 1972 M.S., Utah State University, 1968 B.S., Calvin College, 1965 Interests Taxonomy of grasses and sedges Floristics Botanical nomenclature Cytology of grasses Address Missouri Botanical Garden P.O. Box 299 St. Louis, MO 63166-0299 U.S.A. Email gerrit.davidse@mobot.org