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Field Guide to the Grasses, Sedges, and Rushes of the Northern United States
Field Guide to the Grasses Sedges and Rushes of the Northern United States Author:Edward Knobel With its clear descriptions and accurate drawings, this easy-to-carry little volume will allow you to differentiate over 370 of the most common species: timothy, rye, foxtail, fescue, bluegrass, etc. Key. 500 illustrations. Updated nomenclature by Mildred F. Faust.