Botany of the 1841 Frémont–Geyer Expedition to the Des Moines River1

Thomas G. Lammers

doi:10.3417/2013026

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Thomas G. Lammers¹

¹2Department of Biology and Microbiology, University of Wisconsin Oshkosh, Oshkosh, Wisconsin 54901,

Abstract

In June and July 1841, Lt. John Charles Frémont of the United States Army Corps of Topographical Engineers led a survey of the lower Des Moines River in the territory of Iowa and the state of Missouri, accompanied by botanist Karl Andreas Geyer. The resulting publication was the earliest to report on the flora of Iowa in any sort of scientific fashion. Frémont described the major plant communities encountered, in the process mentioning 30 species: 24 trees and shrubs of the forest and six herbs of the prairie. Seven herbaceous species not mentioned in the report are documented by specimens in the herbarium of Missouri Botanical Garden.

Citation Download Citation

Thomas G. Lammers "Botany of the 1841 Frémont–Geyer Expedition to the Des Moines River," Annals of the Missouri Botanical Garden 100(4), 407-422, (10 August 2015). https://doi.org/10.3417/2013026

Published: 10 August 2015

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