| Code | Region | Status | Source | 
						
							
								| Ab | Azerbaijan | native: doubtfully native | Calculated | 
						
							
								| Ab(A) | Azerbaijan | native: doubtfully native | Calculated | 
						
							
								| Ab(N) | Nakhichevan | native: doubtfully native | Calculated | 
						
							
								| AE | East Aegean Islands | native | Calculated | 
						
							
								| AE(G) | Greek East Aegean Islands | native | Calculated | 
						
							
								| AE(T) | Turkish East Aegean Islands | introduced | Calculated | 
						
							
								| Ag | Algeria | native | Calculated | 
						
							
								| Al | Albania | native | Calculated | 
						
							
								| Ar | Armenia | native: doubtfully native | Calculated | 
						
							
								| Au | Austria with Liechtenstein | native | Calculated | 
						
							
								| Au(A) | Austria | introduced: naturalized | Calculated | 
						
							
								| Az | Azores | introduced: naturalized | Calculated | 
						
							
								| Az(F) | Faial | introduced: naturalized | Calculated | 
						
							
								| Az(G) | Graciosa | introduced: naturalized | Calculated | 
						
							
								| Az(L) | Flores | introduced: naturalized | Calculated | 
						
							
								| Az(M) | São Miguel | introduced: naturalized | Calculated | 
						
							
								| Az(S) | Santa Maria | introduced: naturalized | Calculated | 
						
							
								| Az(T) | Terceira | introduced: naturalized | Calculated | 
						
							
								| Be | Belgium with Luxembourg | introduced: naturalized | Calculated | 
						
							
								| Be(B) | Belgium | introduced: naturalized | Calculated | 
						
							
								| Be(L) | Luxembourg | introduced: adventitious (casual) | Calculated | 
						
							
								| BH | Bosnia-Herzegovina | native | Calculated | 
						
							
								| Bl | Baleares | introduced: naturalized | Calculated | 
						
							
								| Bl(I) | Ibiza with Formentera | introduced: naturalized | Calculated | 
						
							
								| Bl(M) | Mallorca | introduced: naturalized | Calculated | 
						
							
								| Bl(N) | Menorca | introduced: naturalized | Calculated | 
						
							
								| Br | Great Britain | introduced | Calculated | 
						
							
								| Bu | Bulgaria | native | Calculated | 
						
							
								| By | Belarus | introduced | Calculated | 
						
							
								| Ca | Canary Is. | introduced: naturalized | Calculated | 
						
							
								| Ca(C) | Gran Canaria | introduced: naturalized | Calculated | 
						
							
								| Ca(F) | Fuerteventura with Lobos | introduced: naturalized | Calculated | 
						
							
								| Ca(L) | Lanzarote with Graciosa | introduced: naturalized | Calculated | 
						
							
								| Ca(T) | Tenerife | introduced: naturalized | Calculated | 
						
							
								| Cg | Montenegro | native | Calculated | 
						
							
								| Co | Corse | native | Calculated | 
						
							
								| Cr | Kriti with Karpathos, Kasos & Gavdhos | native | Calculated | 
						
							
								| Cs | Czech Republic | native | Calculated | 
						
							
								| Ct | Croatia | native | Calculated | 
						
							
								| Cy | Cyprus | introduced: naturalized | Calculated | 
						
							
								| Da | Denmark with Bornholm | introduced | Calculated | 
						
							
								| Eg | Egypt | native | Calculated | 
						
							
								| Es | Estonia | introduced: naturalized | Calculated | 
						
							
								| Ga | France | native | Calculated | 
						
							
								| Ga(F) | France | native | Calculated | 
						
							
								| Ga(M) | Monaco | introduced: naturalized | Calculated | 
						
							
								| Ge | Germany | native | Calculated | 
						
							
								| Gg | Georgia | native: doubtfully native | Calculated | 
						
							
								| Gr | Greece | native | Calculated | 
						
							
								| Hb | Ireland | introduced: adventitious (casual) | Calculated | 
						
							
								| Hb(E) | Ireland | introduced: adventitious (casual) | Calculated | 
						
							
								| Hb(N) | Northern Ireland | introduced: adventitious (casual) | Calculated | 
						
							
								| He | Switzerland | native | Calculated | 
						
							
								| Ho | Netherlands | introduced: naturalized | Calculated | 
						
							
								| Hs | Spain | native | Calculated | 
						
							
								| Hs(A) | Andorra | introduced: naturalized | Calculated | 
						
							
								| Hs(G) | Gibraltar | introduced: naturalized | Calculated | 
						
							
								| Hs(S) | Spain | native | Calculated | 
						
							
								| Hu | Hungary | native | Calculated | 
						
							
								| IJ | Israel-Jordan | native | Calculated | 
						
							
								| Ir | Israel | native | Calculated | 
						
							
								| It | Italy | native | Calculated | 
						
							
								| Jo | Jordan | native | Calculated | 
						
							
								| Ju | Former Jugoslavia | native | Calculated | 
						
							
								| La | Latvia | introduced: naturalized | Calculated | 
						
							
								| Le | Lebanon | native | Calculated | 
						
							
								| Li | Libya | introduced: naturalized | Calculated | 
						
							
								| LS | Lebanon-Syria | native | Calculated | 
						
							
								| Lt | Lithuania | introduced: naturalized | Calculated | 
						
							
								| Lu | Portugal | native | Calculated | 
						
							
								| Ma | Morocco | native | Calculated | 
						
							
								| Md | Madeira | introduced | Calculated | 
						
							
								| Md(M) | Madeira | introduced | Calculated | 
						
							
								| Mk | The former Jugoslav Republic of Makedonija | native | Calculated | 
						
							
								| Mo | Moldova | introduced: naturalized | Calculated | 
						
							
								| Po | Poland | introduced: naturalized | Calculated | 
						
							
								| Rf | The Russian Federation | introduced: naturalized | Calculated | 
						
							
								| Rf(C) | Central European Russia | introduced: naturalized | Calculated | 
						
							
								| Rf(CS) | North Caucasus | introduced: naturalized | Calculated | 
						
							
								| Rf(E) | Eastern European Russia | introduced: naturalized | Calculated | 
						
							
								| Rf(K) | Kaliningrad | introduced | Calculated | 
						
							
								| Rf(N) | Northern European Russia | introduced | Calculated | 
						
							
								| Rf(NW) | Northwest European Russia | introduced | Calculated | 
						
							
								| Rf(S) | South European Russia | introduced: naturalized | Calculated | 
						
							
								| Rm | Romania | native | Calculated | 
						
							
								| Sa | Sardegna | native | Calculated | 
						
							
								| Si | Sicily with Malta | native | Calculated | 
						
							
								| Si(M) | Malta | native | Calculated | 
						
							
								| Si(S) | Sicily | native | Calculated | 
						
							
								| Sk | Slovakia | native | Calculated | 
						
							
								| Sl | Slovenia | native | Calculated | 
						
							
								| Sn | Sinai | native | Calculated | 
						
							
								| Sr | Serbia including Kosovo and Vojvodina | native | Calculated | 
						
							
								| Sy | Syria | native | Calculated | 
						
							
								| Tcs | Transcaucasia (Azerbaijan, Armenia, and Georgia) | native: doubtfully native | Calculated | 
						
							
								| Tn | Tunisia | introduced: naturalized | Calculated | 
						
							
								| Tu | Turkey | native | Calculated | 
						
							
								| Tu(A) | Asiatic Turkey | native | Calculated | 
						
							
								| Tu(E) | Turkey-in-Europe | native | Calculated | 
						
							
								| Uk | Ukraine | native | Calculated | 
						
							
								| Uk(K) | Crimea | native | Calculated | 
						
							
								| Uk(U) | Ukraine | introduced: adventitious (casual) | Calculated |