With its clear, easy-to-use format, accurate line drawings, and concise descriptions, Edward Knobel's Field Guide can help make you an expert at identifying the common grasses, sedges, and rushes of the United States. Over 370 of the most common species are accurately described in this handy volume: varieties of timothy, rye, foxtail, fescue, bluegrass, nutrush, cottongrass, bulrush, etc. Knobel's emphasis is upon wild varieties of these plants common...