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Volume 87, Number 2 (1980)

Issue cover date: June 1980

Front Matter

Research

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A Mid-Wisconsinan Pollen Diagram From Des Moines County, Iowa
George R. Hallberg, Richard G. Baker, and Thomas Legg

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A Checklist of Iowa Foliose Lichens
Dennis M. Dunlap and Lois H. Tiffany

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A Farmdalian Pollen Diagram From East-Central Iowa
Kent L. Van Zant, George R. Hallberg, and Richard G. Baker

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Productivity of Canada Geese in Northwestern Iowa
Thomas A. Nigus and James J. Dinsmore

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A Checklist of the Vascular Flora of Allamakee County, Iowa
James H. Peck, Dean M. Roosa, and Lawrence J. Eilers

General Interest Article

Back Matter