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Aquatic Plants of Illinois: An illustrated manual including species submersed, floating and some of shallow water and muddy shores The work is based chieflyPp. 142, numerous text figures. Publishers pictorial printed olive green wrappers, lettered in white on cover, 8vo. From the series: Illinois State Museum Popular Science Series, Vol. VI. The collection and identification of plants was jointly undertaken by the Illinois State Museum and the Illinois Department of Conservation in 1964 1965. This volume is from the research collection of herpetologist Lauren E. Brown with his name stamp on front