See U.S. county distributions (when available) by clicking on the map or the linked states below:
USA (AK, AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, HI, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY), USA+ (PR), CAN (AB, BC, LB, MB, NB, NF, NS, NT, ON, PE, QC, SK, YT), DEN (GL), FRA (SPM) |
U.S. Weed Information:
Cirsium Mill.
thistle
This plant can be weedy or invasive according to the authoritative sources noted below. This plant
may be known by one or more common names in different
places, and some are listed above. Click on an acronym
to view each weed list, or click here for a
composite list of Weeds of the U.S.
| STATE |
|
Assorted authors.
200_.
State noxious weed lists for 46 states.
State agriculture or natural resource departments.
|
|
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![Distribution of Cirsium ×canalense Petr. [excluded]. .](https://webarchive.library.unt.edu/eot2008/20081010002942im_/http://plants.usda.gov/maps/thumbs/CI/CICA22.png "Distribution of Cirsium ×canalense Petr. [excluded]. .")
![Distribution of Cirsium ×crassum Petr. [excluded]. .](https://webarchive.library.unt.edu/eot2008/20081010002942im_/http://plants.usda.gov/maps/thumbs/CI/CICR4.png "Distribution of Cirsium ×crassum Petr. [excluded]. .")
![Distribution of Cirsium ×iowense (Pammel) Fernald (pro sp.) [altissimum × discolor]. .](https://webarchive.library.unt.edu/eot2008/20081010002942im_/http://plants.usda.gov/maps/thumbs/CI/CIIO2.png "Distribution of Cirsium ×iowense (Pammel) Fernald (pro sp.) [altissimum × discolor]. .")
![Distribution of Cirsium validus Greene [excluded]. .](https://webarchive.library.unt.edu/eot2008/20081010002942im_/http://plants.usda.gov/maps/thumbs/CI/CIVA5.png "Distribution of Cirsium validus Greene [excluded]. .")
![Distribution of Cirsium ×vancouverense J.W. Moore & Frankton [brevistylum × edule var. macounii]. .](https://webarchive.library.unt.edu/eot2008/20081010002942im_/http://plants.usda.gov/maps/thumbs/CI/CIVA2.png "Distribution of Cirsium ×vancouverense J.W. Moore & Frankton [brevistylum × edule var. macounii]. .")
