Verbatim text: Hayden, A. 1939. Notes on Typha angustifolia in Iowa. Iowa State Coll. J. Sci. 13: 341--351.
Author: Hayden, A.
Year: 1939
Title: Notes on Typha angustifolia in Iowa
Journal: Iowa State Coll. J. Sci
Volume: 13
Pages: 341–351