| eupatorium perfoliatum | | Canada: Ontario, rare Charitable Research Reserve, Blair Flats Wetland | | 930159448 |
| eupatorium perfoliatum | | Canada: Ontario, Norfolk County, Delhi Twp., Vittoria Conservation Area, Picnic Area, stream and pond | | 1316022950 |
| eupatorium perfoliatum | | Canada: Ontario, Bruce County, North Bruce Peninsula Township, Russel Island, shoreline, FFNMP | | 1316023470 |
| eupatorium perfoliatum | | Canada: Ontario, Nipissing District, Mattawan Twp., Mattawa, NEBIE Block#2, Intensive treatment | | 1316026394 |
| eupatorium perfoliatum | | canada: ontario, bruce county, north bruce peninsula township, russel island, shoreline, ffnmp | | 1328822284 |
| eupatorium perfoliatum | | canada: ontario, nipissing district, mattawan twp., mattawa, nebie block#2, intensive treatment | | 1328822806 |
| eupatorium perfoliatum | | canada: ontario, norfolk county, delhi twp., vittoria conservation area, picnic area, stream and pond | | 1331394005 |
| eupatorium perfoliatum | | Canada: Ontario, rare Charitable Research Reserve, Blair Flats Wetland | | 929982044 |
| eupatorium perfoliatum | | Canada: Ontario | | 187962192 |
| eupatorium perfoliatum | | Canada: Ontario | | 187962190 |