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Southwest Exotic Plant Information Clearinghouse |
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Weed Lists |
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![]() Hesperis matronalis |
Noxious weeds are invasive species that have regulatory laws relating to their introduction, transport or management: |
U.S. Department of the Interior, U.S. Geological Survey, Colorado Plateau Research Station, Flagstaff, AZ, USA
URL: http://sbsc.wr.usgs.gov/cprs/swepic/ Last modification:03/22/05 01:18 PM Contact:Kathryn Thomas