Ralph O. Erickson
Ralph O. Erickson Born: Duluth, MN 10/27/1914; died 3/24/2006 Education: Gustavus Adolphus Coll. (B. A. 1939); Washington Univ. (St. Louis) (M.S. 1941; Ph.D. 1944) Dissertation title: The Clematis fremontii var. riehlii population in the Ozarks. (Ann. Mo. Bot. Gard. 32:413-60.) Primary specialty: Plant morphology Teaching history: Rochester 1944-47; Pennsylvania 1949-85 (emeritus) Ph. D. Students: Richard T. T. Forman External links:…