| Code | Region | Status | Source | 
						
							
								| Ab | Azerbaijan | native | Reference | 
						
							
								| Ab | Azerbaijan | native | Calculated | 
						
							
								| Ab(A) | Azerbaijan | native | Reference | 
						
							
								| Ab(N) | Nakhichevan | native | Reference | 
						
							
								| Ar | Armenia | native | Reference | 
						
							
								| Au | Austria with Liechtenstein | native | Reference | 
						
							
								| Au(A) | Austria | native | Reference | 
						
							
								| BH | Bosnia-Herzegovina | native: reported in error | Reference | 
						
							
								| Bu | Bulgaria | native | Reference | 
						
							
								| Cs | Czech Republic | native | Reference | 
						
							
								| Ct | Croatia | native: reported in error | Reference | 
						
							
								| Fe | Finland with Ahvenanmaa | introduced: adventitious (casual) | Reference | 
						
							
								| Ga | France | native | Calculated | 
						
							
								| Ga(F) | France | native | Reference | 
						
							
								| Ge | Germany | native: reported in error | Reference | 
						
							
								| Gg | Georgia | native | Calculated | 
						
							
								| Gg | Georgia | native | Reference | 
						
							
								| Gg(A) | Abkhazia | native | Reference | 
						
							
								| Gg(D) | Adzaria | native | Reference | 
						
							
								| Gg(G) | Georgia | native | Reference | 
						
							
								| Gr | Greece | native: reported in error | Reference | 
						
							
								| He | Switzerland | native | Reference | 
						
							
								| Hs | Spain | native | Reference | 
						
							
								| Hs | Spain | native | Calculated | 
						
							
								| Hs(S) | Spain | native | Reference | 
						
							
								| Hs(S) | Spain | native | Reference | 
						
							
								| Hu | Hungary | native | Reference | 
						
							
								| It | Italy | native | Reference | 
						
							
								| It | Italy | native | Reference | 
						
							
								| Ju | Former Jugoslavia | native | Reference | 
						
							
								| Ju | Former Jugoslavia | native | Calculated | 
						
							
								| Mk | The former Jugoslav Republic of Makedonija | native: reported in error | Reference | 
						
							
								| Rf | The Russian Federation | native | Calculated | 
						
							
								| Rf(CS) | North Caucasus | native | Reference | 
						
							
								| Rf(E) | Eastern European Russia | native | Reference | 
						
							
								| Rm | Romania | native | Reference | 
						
							
								| Sk | Slovakia | native | Reference | 
						
							
								| SM | Serbia & Montenegro | native | Reference | 
						
							
								| Sr | Serbia including Kosovo and Vojvodina | native | Reference | 
						
							
								| Tcs | Transcaucasia (Azerbaijan, Armenia, and Georgia) | native | Calculated | 
						
							
								| Tu | Turkey | native | Calculated | 
						
							
								| Tu(A) | Asiatic Turkey | native | Reference | 
						
							
								| Uk | Ukraine | native | Reference | 
						
							
								| Uk | Ukraine | native | Calculated | 
						
							
								| Uk(U) | Ukraine | native | Reference |