| Code | Region | Status | Source | 
						
							
								| Au | Austria with Liechtenstein | native: reported in error | Reference | 
						
							
								| Be(B) | Belgium | native | Reference | 
						
							
								| Br | Great Britain | native | Reference | 
						
							
								| Cs | Czech Republic | introduced | Reference | 
						
							
								| Da | Denmark with Bornholm | native | Reference | 
						
							
								| EM | Euro+Med | endemic for EM | Reference | 
						
							
								| Ga | France | native | Calculated | 
						
							
								| Ga(F) | France | native | Reference | 
						
							
								| Ge | Germany | native | Reference | 
						
							
								| Hb | Ireland | native: reported in error | Reference | 
						
							
								| He | Switzerland | native: reported in error | Reference | 
						
							
								| Ho | Netherlands | native | Reference | 
						
							
								| Hs | Spain | native: reported in error | Reference | 
						
							
								| Hu | Hungary | native: reported in error | Reference | 
						
							
								| Po | Poland | native: reported in error | Reference | 
						
							
								| Rm | Romania | native: reported in error | Reference | 
						
							
								| Sk | Slovakia | native: reported in error | Reference | 
						
							
								| Su | Sweden | native: doubtfully native | Reference |