| Code | Region | Status | Source | 
						
							
								| Ab | Azerbaijan | native | Calculated | 
						
							
								| Ab(A) | Azerbaijan | native | Reference | 
						
							
								| Ab(N) | Nakhichevan | native | Reference | 
						
							
								| AE | East Aegean Islands | native | Calculated | 
						
							
								| AE(G) | Greek East Aegean Islands | native | Reference | 
						
							
								| Ag | Algeria | native | Reference | 
						
							
								| Al | Albania | native | Reference | 
						
							
								| Ar | Armenia | native | Reference | 
						
							
								| Au | Austria with Liechtenstein | native | Reference | 
						
							
								| Au(A) | Austria | native | Reference | 
						
							
								| Be | Belgium with Luxembourg | native | Reference | 
						
							
								| Be(B) | Belgium | native: formerly native | Reference | 
						
							
								| Be(L) | Luxembourg | native: formerly native | Reference | 
						
							
								| BH | Bosnia-Herzegovina | native | Reference | 
						
							
								| Bl | Baleares | native | Calculated | 
						
							
								| Bl(M) | Mallorca | native | Reference | 
						
							
								| Bu | Bulgaria | native | Reference | 
						
							
								| By | Belarus | introduced | Reference | 
						
							
								| Cg | Montenegro | native | Reference | 
						
							
								| Co | Corse | native: formerly native | Reference | 
						
							
								| Cr | Kriti with Karpathos, Kasos & Gavdhos | native | Reference | 
						
							
								| Cs | Czech Republic | native | Reference | 
						
							
								| Ct | Croatia | native | Reference | 
						
							
								| Cy | Cyprus | native | Reference | 
						
							
								| Da | Denmark with Bornholm | introduced: adventitious (casual) | Reference | 
						
							
								| Es | Estonia | introduced: adventitious (casual) | Reference | 
						
							
								| Fe | Finland with Ahvenanmaa | introduced: adventitious (casual) | Reference | 
						
							
								| Ga | France | native | Calculated | 
						
							
								| Ga(F) | France | native | Reference | 
						
							
								| Ge | Germany | native | Reference | 
						
							
								| Gg | Georgia | native | Reference | 
						
							
								| Gr | Greece | native | Reference | 
						
							
								| He | Switzerland | native | Reference | 
						
							
								| Hs | Spain | native | Calculated | 
						
							
								| Hs(S) | Spain | native | Reference | 
						
							
								| Hu | Hungary | native | Reference | 
						
							
								| IJ | Israel-Jordan | native | Calculated | 
						
							
								| Ir | Israel | native | Reference | 
						
							
								| It | Italy | native | Reference | 
						
							
								| Jo | Jordan | native | Reference | 
						
							
								| Ju | Former Jugoslavia | native | Calculated | 
						
							
								| Ju | Former Jugoslavia | native | Reference | 
						
							
								| La | Latvia | introduced: adventitious (casual) | Reference | 
						
							
								| Le | Lebanon | native | Reference | 
						
							
								| Li | Libya | native | Reference | 
						
							
								| LS | Lebanon-Syria | native | Calculated | 
						
							
								| Lt | Lithuania | introduced: adventitious (casual) | Reference | 
						
							
								| Lu | Portugal | native | Reference | 
						
							
								| Ma | Morocco | native | Reference | 
						
							
								| Ma | Morocco | native | Reference | 
						
							
								| Mk | The former Jugoslav Republic of Makedonija | native | Reference | 
						
							
								| Mo | Moldova | native | Reference | 
						
							
								| No | Norway | 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 | introduced | Reference | 
						
							
								| Rf(N) | Northern European Russia | introduced | Reference | 
						
							
								| Rf(NW) | Northwest European Russia | introduced | Reference | 
						
							
								| Rf(S) | South European Russia | native | Reference | 
						
							
								| Rm | Romania | native | Reference | 
						
							
								| Sa | Sardegna | native | Reference | 
						
							
								| Si | Sicily with Malta | native | Reference | 
						
							
								| Si(S) | Sicily | native | Reference | 
						
							
								| Sk | Slovakia | native | Reference | 
						
							
								| Sl | Slovenia | native | Reference | 
						
							
								| Sr | Serbia including Kosovo and Vojvodina | native | Reference | 
						
							
								| Su | Sweden | introduced: adventitious (casual) | Reference | 
						
							
								| Sy | Syria | native | Reference | 
						
							
								| Tcs | Transcaucasia (Azerbaijan, Armenia, and Georgia) | native | Calculated | 
						
							
								| Tn | Tunisia | native | Reference | 
						
							
								| Tu | Turkey | native | Calculated | 
						
							
								| Tu(A) | Asiatic Turkey | native | Reference | 
						
							
								| Tu(E) | Turkey-in-Europe | native | Reference | 
						
							
								| Uk | Ukraine | native | Calculated | 
						
							
								| Uk(K) | Crimea | native | Reference | 
						
							
								| Uk(U) | Ukraine | native | Reference |