Southwest Exotic Plant Information Clearinghouse (SWEPIC)
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Weed Lists
![Hesperis matronalis](images/hema.jpg)
Noxious weeds are invasive species that have regulatory laws relating to their introduction, transport or management.
- The USDA PLANTS Invasive and Noxious Weeds site provides lists of federal and state noxious weeds.
Please contact Kathryn Thomas regarding any questions.