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Invasive Plants: A Guide to Identification, Impacts, and Control of Common North American Species. By Sylvan Ramsey Kaufman and Wallace Kaufman. Mechanicsburg, PA: Stackpole Books, 2007. 458 pp. Color photographs, bibliography, index. $39.95 paper.
Invasive nonnative species are responsible for more than $120 billion dollars in economic costs in the United States each year. Ecological impacts are equally severe but difficult to quantify. Sylvan and Wallace Kaufman profile about 200 nonnative plant species in the first field guide to the invasive plants of North America. Many of these have invaded the southeastern United States, particularly Florida, but more than half of the species described occur in the Great Plains.
The authors place the invasive species problem in context prior to providing species descriptions. The...