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), FRA (SPM) |
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![Distribution of Muhlenbergia ×curtisetosa (Scribn.) Bush (pro sp.) [frondosa × schreberi]. . Image Available.](https://webarchive.library.unt.edu/eot2008/20081014234306im_/http://plants.usda.gov/maps/thumbs/MU/MUCU2.png "Distribution of Muhlenbergia ×curtisetosa (Scribn.) Bush (pro sp.) [frondosa × schreberi]. . Image Available.")
![Distribution of Muhlenbergia ×involuta Swallen (pro sp.) [lindheimeri × reverchonii]. . Image Available.](https://webarchive.library.unt.edu/eot2008/20081014234306im_/http://plants.usda.gov/maps/thumbs/MU/MUIN.png "Distribution of Muhlenbergia ×involuta Swallen (pro sp.) [lindheimeri × reverchonii]. . Image Available.")
