| canada | manitoba | xanthium strumarium | species | 2 | 0 |
| canada | quebec | xanthium strumarium | species | 2 | 0 |
| china | | xanthium strumarium | species | 6 | 0 |
| china | | xanthium strumarium var. canadense | varietas | 9 | 0 |
| china | liaoning | xanthium strumarium var. canadense | varietas | 5 | 0 |
| india | maharashtra | xanthium strumarium | species | 1 | 0 |
| japan | | xanthium strumarium | species | 1 | 0 |
| pakistan | | xanthium strumarium | species | 1 | 0 |
| portugal | | xanthium strumarium | species | 2 | 0 |
| south korea | | xanthium strumarium var. canadense | varietas | 1 | 0 |
| taiwan | taiwan municipality | xanthium strumarium | species | 1 | 0 |
| turkey | | xanthium strumarium | species | 6 | 0 |
| turkey | | xanthium strumarium subsp. brasilicum | subspecies | 3 | 0 |
| united states | california | xanthium strumarium | species | 2 | 0 |