Weeds of the Northeast second edition

"This up-to-date guide describes 540 common and ecologically and economically important weed species of the northeastern US and southern Canada. A dichotomous key to these species is based on vegetative rather than floral characteristics for identification. This also serves as a reference book for aspects of weed biology and ecology important to weed management"--
This fully updated second edition of the bestselling Weeds of the Northeast provides lavish illustrations for ready identification of more than 500 common and economically important weeds in Northeast and Mid-Atlantic states. This new edition now covers the region south to Virginia, north to Maine and southern Canada, and west to Wisconsin. This practical guide includes descriptions and photos of floral and vegetative characteristics, giving anyone who works with plants the ability to identify weeds before they flower. A broadened range and prevalence of important weeds in the Northeastern, Upper Midwest, and Mid-Atlantic US Standardized species descriptions with a wealth of information in a condensed and comprehensive format—more than 200 all new species accounts Easy identification through a dichotomous key, detailed descriptions, and images Comparison tables make it easy to differentiate between many closely related and similar speciesWeeds of the Northeast is a comprehensive reference book for those aspects of weed biology and ecology important to weed management, and will serve home gardeners and landscape managers, as well as pest management specialists and allergists alike.