| Code | Region | Status | Source | 
						
							
								| Ab | Azerbaijan | native | Calculated | 
						
							
								| Ab(A) | Azerbaijan | native | Reference | 
						
							
								| Ab(N) | Nakhichevan | native | Reference | 
						
							
								| Ar | Armenia | native | Reference | 
						
							
								| Be | Belgium with Luxembourg | introduced: adventitious (casual) | Reference | 
						
							
								| Be(B) | Belgium | introduced: adventitious (casual) | Reference | 
						
							
								| Be(L) | Luxembourg | introduced: naturalized | Reference | 
						
							
								| Br | Great Britain | introduced | Reference | 
						
							
								| By | Belarus | introduced | Reference | 
						
							
								| Cs | Czech Republic | introduced: adventitious (casual) | Reference | 
						
							
								| Cy | Cyprus | native | Reference | 
						
							
								| Ga | France | introduced: adventitious (casual) | Calculated | 
						
							
								| Ga(F) | France | introduced: adventitious (casual) | Reference | 
						
							
								| Ge | Germany | introduced: naturalized | Reference | 
						
							
								| Gg | Georgia | native | Reference | 
						
							
								| Gr | Greece | native | Reference | 
						
							
								| Hs | Spain | introduced: naturalized | Calculated | 
						
							
								| Hs(S) | Spain | introduced: naturalized | Reference | 
						
							
								| It | Italy | introduced: adventitious (casual) | Reference | 
						
							
								| La | Latvia | introduced: adventitious (casual) | Reference | 
						
							
								| Lt | Lithuania | introduced: adventitious (casual) | Reference | 
						
							
								| Po | Poland | introduced: adventitious (casual) | Reference | 
						
							
								| Rf | The Russian Federation | native | Calculated | 
						
							
								| Rf(C) | Central European Russia | introduced | Reference | 
						
							
								| Rf(CS) | North Caucasus | native | Reference | 
						
							
								| Rf(E) | Eastern European Russia | native | Reference | 
						
							
								| Rf(N) | Northern European Russia | introduced | Reference | 
						
							
								| Rf(NW) | Northwest European Russia | introduced | Reference | 
						
							
								| Rf(S) | South European Russia | native | Reference | 
						
							
								| Rm | Romania | introduced | Reference | 
						
							
								| Sk | Slovakia | introduced: adventitious (casual) | 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(K) | Crimea | native | Reference | 
						
							
								| Uk(U) | Ukraine | native | Reference |