An easy-to-use, wide-ranging guide to invasive plants in North America. Features full-colour photographs and descriptions of some 175 alien species -- both terrestrial and aquatic -- that are in some cases changing the landscape to an almost unimaginable degree. Accompanying text describes the plant's environmental and economic impacts as well as management techniques used to control it. Also includes an explanation of what an invasive is and a step-by-step identification key. An essential guide to understanding this unprecedented environmental challenge.Kaufman, Sylvan Ramsey is the author of 'Invasive Plants A Guide to Identification, Impacts, and Control of Common North American Species', published 2007 under ISBN 9780811733656 and ISBN 0811733653.