Ecological study of the weed population of eastern Nebraska
By: by Elva L. Norris.
Series: University studies, pub. by the University of Nebraska.  vol,XXXIX -- no. 2. 1939.
Published: 1939
Place of publication: Lincoln, Neb
Language: eng
Number of pages: 91
Subjects: Weeds -- Nebraska; Plant ecology; Crops and climate
Notes: Cover-title.

"Contribution for the Department of Botany, no. 112."

Bibliography: p.89-91.