| Code | Region | Status | Source | 
						
							
								| Ag | Algeria | introduced: presence questionable | Reference | 
						
							
								| Au | Austria with Liechtenstein | native | Reference | 
						
							
								| Au(A) | Austria | native | Reference | 
						
							
								| Be | Belgium with Luxembourg | introduced: adventitious (casual) | Reference | 
						
							
								| BH | Bosnia-Herzegovina | native: presence questionable | Reference | 
						
							
								| Br | Great Britain | introduced: adventitious (casual) | Reference | 
						
							
								| Bu | Bulgaria | native | Reference | 
						
							
								| Cr | Kriti with Karpathos, Kasos & Gavdhos | native: reported in error | Reference | 
						
							
								| Cs | Czech Republic | native | Reference | 
						
							
								| Ct | Croatia | native: presence questionable | Reference | 
						
							
								| Da | Denmark with Bornholm | introduced: adventitious (casual) | Reference | 
						
							
								| Ga | France | introduced: naturalized | Calculated | 
						
							
								| Ga(F) | France | introduced: naturalized | Reference | 
						
							
								| Ge | Germany | introduced: naturalized | Reference | 
						
							
								| He | Switzerland | introduced: adventitious (casual) | Reference | 
						
							
								| He | Switzerland | introduced: naturalized | Reference | 
						
							
								| Hs | Spain | cultivated | Calculated | 
						
							
								| Hs(S) | Spain | cultivated | Reference | 
						
							
								| Hu | Hungary | native | Reference | 
						
							
								| It | Italy | cultivated | Reference | 
						
							
								| It | Italy | introduced: presence questionable | Reference | 
						
							
								| Ju | Former Jugoslavia | native | Calculated | 
						
							
								| Ju | Former Jugoslavia | native | Reference | 
						
							
								| La | Latvia | cultivated | Reference | 
						
							
								| Lt | Lithuania | introduced: naturalized | Reference | 
						
							
								| Mo | Moldova | native | Reference | 
						
							
								| No | Norway | introduced | Reference | 
						
							
								| Po | Poland | native | 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(K) | Kaliningrad | native: presence questionable | Reference | 
						
							
								| Rf(S) | South European Russia | native | Reference | 
						
							
								| Rm | Romania | native | Reference | 
						
							
								| Sk | Slovakia | native | Reference | 
						
							
								| Sl | Slovenia | native | Reference | 
						
							
								| Sr | Serbia including Kosovo and Vojvodina | native | Reference | 
						
							
								| Uk | Ukraine | native | Reference | 
						
							
								| Uk | Ukraine | native | Calculated | 
						
							
								| Uk(K) | Crimea | native | Reference | 
						
							
								| Uk(U) | Ukraine | native | Reference |