Weeds of the West
In 1991, a group of scientists associated with the Western Society of Weed Science in cooperation with the Western United States Land Grant Universities Cooperative Extension Services published a plant identification book. Members of the WSWS determined that an identification book showing and describing important weed species in the western United States was needed. The current book is the 11th Edition (2012).
Weeds discussed in the book were selected by weed scientists who are members of the WSWS. Weeds were selected because of their abundance, ability to reproduce, compete, and spread rapidly, as well as those that are toxic to livestock or humans. An attempt was made to include a representative cross-section of the common agronomic, rangeland, horticultural, and non-cropland weeds of the western United States. If plants are not included in the publication, please contact your county extension agent or university herbarium for proper identification.
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