| Groups on a degree of naturalization | Groups of non-native plants by origin | In total | ||
| Western | East | Southern | ||
| Epecophytes | 74 | 7 | 5 | 86 |
| Colonophytes | 25 | 2 | 7 | 34 |
| Ephemerophytes | 17 | 1 | 1 | 19 |
| In total | 116 | 10 | 13 | 139 |