[n = 30]
Year / Period | From | To | Established | Ecol. effects |
---|---|---|---|---|
unknown | Unknown | Uzbekistan | unknown | |
unknown | Unknown | North Dakota | unknown | |
unknown | Unknown | USSR | established | |
unknown | Unknown | Spain | probably established | unknown |
unknown | Unknown | Slovenia | probably established | unknown |
unknown | Unknown | Azores Is. | established | unknown |
unknown | Unknown | Portugal | established | |
unknown | unknown | Iran | established | unknown |
unknown | Unknown | Czechoslovakia | established | |
unknown | Unknown | Croatia | probably established | unknown |
1960 - 1969 | USSR | China | established | |
1954 - 1956 | Unknown | Kyrgyzstan | established | |
1800 - 1899 | Eastern Europe | Germany | established | |
1878 | Sweden | UK | established | none |
1878 | Germany | UK | established | none |
1879 | Sweden | Denmark | established | |
1879 | Germany | Denmark | established | |
1880 | Unknown | Switzerland | established | probably some |
1888 | Central Europe | France | established | probably some |
1890 | Eastern Europe | Flanders | established | |
1900 | France | Italy | established | some |
1900 | Eastern Europe | Italy | established | some |
1901 | Germany | Netherlands | established | some |
1949 | Germany | Morocco | established | |
1955 | Austria | Turkey | established | some |
1968 | Germany | Tunisia | established | some |
1968 | France | Tunisia | established | some |
1970 | Germany | United States of America | probably established | unknown |
1985 | Hungary | Oubéira lake and dams | not established | some |
1987 | Hungary | Cyprus | unknown |