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Learning to identify unwanted plants around the home, farm, or ranch will be much easier with this comprehensive publication. It will help you identify plants t

This encyclopedic yet easy-to-use 2-volume set covers 262 individual entries, including a full description of 451 species and another 361 plants compared as sim

This is the first comprehensive identification manual for aquatic and riparian weeds west of the Rocky Mountains. This practical, easy-to-use guide covers 171 a

Here, at last, is a lavishly illustrated manual for ready identification of 299 common and economically important weeds in the region south to Virginia, north t

Despite the fact that fighting weeds was of paramount importance to the agricultural development of Canada, there has scarcely been any research on understandin