| carduus nutans | | Canada: Ontario, Wellington County, Wellington County, OAC Herbarium and BIO Grounds | | 1316026824 |
| carduus nutans | | Canada: Ontario, Wellington County, City of Guelph, OAC Herbarium and BIO Grounds | | 1316024848 |
| carduus nutans | | Canada: Ontario, Nodding thistle, Wellington, Guelph | | 1316020982 |