Professor and Curator of NDSU Herbarium, NDSU, 1980-2009
Ph.D., Botany, University of Kansas, Lawrence, KS -1968
M.A.,Biology, Kansas State Teachers College, Emporia, KS -1963
B.A., Biology, Kansas State Teachers College, Emporia, KS -1961
Plant systematics and plant (range) ecology.
The floristics of the U.S. Great Plains, with emphasis on the northern Great Plains.
Rotational grazing systems, leafy spurge control, range fertilization and grassland community composition and production.