| Code | Region | Status | Source | 
						
							
								| Au | Austria with Liechtenstein | native | Reference | 
						
							
								| Au(A) | Austria | native | Reference | 
						
							
								| Be(B) | Belgium | introduced: adventitious (casual) | Reference | 
						
							
								| Be(B) | Belgium | introduced: adventitious (casual) | Reference | 
						
							
								| Be(L) | Luxembourg | native: doubtfully native | Reference | 
						
							
								| BH | Bosnia-Herzegovina | native | Reference | 
						
							
								| Br | Great Britain | introduced: adventitious (casual) | Reference | 
						
							
								| Bu | Bulgaria | native | Reference | 
						
							
								| Bu | Bulgaria | native | Calculated | 
						
							
								| By | Belarus | native | Reference | 
						
							
								| Cg | Montenegro | native | Reference | 
						
							
								| Cs | Czech Republic | native | Reference | 
						
							
								| Ct | Croatia | native | Reference | 
						
							
								| Da | Denmark with Bornholm | native | Reference | 
						
							
								| Es | Estonia | native | Reference | 
						
							
								| Es | Estonia | native | Calculated | 
						
							
								| Fe | Finland with Ahvenanmaa | native | Calculated | 
						
							
								| Fe | Finland with Ahvenanmaa | native | Reference | 
						
							
								| Ga | France | native | Calculated | 
						
							
								| Ga(F) | France | native | Reference | 
						
							
								| Ge | Germany | native | Reference | 
						
							
								| Gr | Greece | native: reported in error | Reference | 
						
							
								| Hb | Ireland | introduced: adventitious (casual) | Calculated | 
						
							
								| Hb(E) | Ireland | introduced: adventitious (casual) | Reference | 
						
							
								| Hb(N) | Northern Ireland | introduced: adventitious (casual) | Reference | 
						
							
								| He | Switzerland | native | Reference | 
						
							
								| Ho | Netherlands | native | Reference | 
						
							
								| Hs | Spain | native: reported in error | Reference | 
						
							
								| Hu | Hungary | native | Reference | 
						
							
								| Is | Iceland | introduced: adventitious (casual) | Reference | 
						
							
								| It | Italy | native | Reference | 
						
							
								| Ju | Former Jugoslavia | native | Reference | 
						
							
								| Ju | Former Jugoslavia | native | Calculated | 
						
							
								| La | Latvia | native | Reference | 
						
							
								| Lt | Lithuania | native | Reference | 
						
							
								| Mo | Moldova | native | Reference | 
						
							
								| Mo | Moldova | native | Calculated | 
						
							
								| No | Norway | native | Reference | 
						
							
								| Po | Poland | native | Reference | 
						
							
								| Rf | The Russian Federation | native | Calculated | 
						
							
								| Rf | The Russian Federation | native | Calculated | 
						
							
								| Rf(C) | Central European Russia | native | Calculated | 
						
							
								| Rf(C) | Central European Russia | native | Reference | 
						
							
								| Rf(CS) | North Caucasus | native | Reference | 
						
							
								| Rf(CS) | North Caucasus | native | Calculated | 
						
							
								| Rf(E) | Eastern European Russia | native | Calculated | 
						
							
								| Rf(E) | Eastern European Russia | native | Reference | 
						
							
								| Rf(K) | Kaliningrad | native | Reference | 
						
							
								| Rf(N) | Northern European Russia | native | Reference | 
						
							
								| Rf(N) | Northern European Russia | native | Calculated | 
						
							
								| Rf(NW) | Northwest European Russia | native | Calculated | 
						
							
								| Rf(NW) | Northwest European Russia | native | Reference | 
						
							
								| Rf(S) | South European Russia | native | Reference | 
						
							
								| Rf(S) | South European Russia | native | Calculated | 
						
							
								| Rm | Romania | native | Calculated | 
						
							
								| Rm | Romania | native | Reference | 
						
							
								| Sk | Slovakia | native | Reference | 
						
							
								| Sl | Slovenia | native | Reference | 
						
							
								| Sr | Serbia including Kosovo and Vojvodina | native | Reference | 
						
							
								| Su | Sweden | native | Reference | 
						
							
								| Su | Sweden | native | Calculated | 
						
							
								| Uk | Ukraine | native | Calculated | 
						
							
								| Uk | Ukraine | native | Calculated | 
						
							
								| Uk | Ukraine | native | Reference | 
						
							
								| Uk(K) | Crimea | native: reported in error | Reference | 
						
							
								| Uk(K) | Crimea | native | Calculated | 
						
							
								| Uk(U) | Ukraine | native | Calculated | 
						
							
								| Uk(U) | Ukraine | native | Reference |