| Code | Region | Status | Source | 
						
							
								| Au(A) | Austria | native: doubtfully native | Reference | 
						
							
								| Be | Belgium with Luxembourg | native: doubtfully native | Reference | 
						
							
								| Br | Great Britain | native: doubtfully native | Reference | 
						
							
								| Ca | Canary Is. | introduced | Calculated | 
						
							
								| Ca | Canary Is. | introduced | Reference | 
						
							
								| Ca(C) | Gran Canaria | introduced | Reference | 
						
							
								| Cs | Czech Republic | native: doubtfully native | Reference | 
						
							
								| Da | Denmark with Bornholm | introduced | Reference | 
						
							
								| Eg | Egypt | introduced: doubtfully introduced (perhaps cultivated only) | Reference | 
						
							
								| EM | Euro+Med | endemic for EM | Reference | 
						
							
								| Ga | France | native: doubtfully native | Reference | 
						
							
								| Ge | Germany | native | Reference | 
						
							
								| Hb | Ireland | introduced | Reference | 
						
							
								| Hb | Ireland | native: doubtfully native | Calculated | 
						
							
								| Hb(E) | Ireland | native: doubtfully native | Reference | 
						
							
								| He | Switzerland | native: doubtfully native | Reference | 
						
							
								| Ho | Netherlands | native: doubtfully native | Reference | 
						
							
								| Ho | Netherlands | native | Reference | 
						
							
								| Hu | Hungary | introduced | Reference | 
						
							
								| It | Italy | native: doubtfully native | Reference | 
						
							
								| It | Italy | native | Reference | 
						
							
								| Ju | Former Jugoslavia | native: doubtfully native | Calculated | 
						
							
								| Po | Poland | introduced | Reference | 
						
							
								| Sl | Slovenia | native: doubtfully native | Reference | 
						
							
								| Su | Sweden | introduced | Reference |