| canada | northwest territories | vincetoxicum hirundinaria | species | 4 | 0 |
| czech republic | south moravian region | vincetoxicum hirundinaria | species | 1 | 0 |
| germany | | vincetoxicum hirundinaria | species | 4 | 0 |
| germany | bavaria | vincetoxicum hirundinaria | species | 7 | 0 |
| poland | | vincetoxicum hirundinaria | species | 3 | 0 |