An identification key and detailed line drawings of bracts, seeds, heads, rosettes, and plant shape offer an important tool for identifying these invasive plants. About 20 species of Centaurea have naturalized in western North America. 26 pages.
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Details
Title
Identification of Knapweeds and Starthistles in the PNW
Creators
Washington State University Extension (Author)
Academic Unit
Publications, WSU Extension
Series
PNW (Series); PNW0432
Publisher
Washington State University Extension; Pullman, Washington
Identifiers
99900502538501842
Copyright
In copyright ; openAccess ; http://rightsstatements.org/vocab/InC/1.0/ ; http://purl.org/eprint/accessRights/OpenAccess