Affiliations Courses Research 1937Research FellowYale University1938Research FellowYale University1938Theresa Seessel Research FellowYale University1934In Charge Of The HerbariumUniversity Of Missouri1934Research FellowUniversity Of Missouri1936Research FellowUniversity Of Missouri 1934Botany 1934Instructor1936Botany 1936Instructor1937Botany 1937Instructor1938Botany 1938Instructor 1934[subject unknown]Independent1936[subject unknown]Independent1937[subject unknown]Independent1938[subject unknown]Independent
