[n = 127]
| Year / Period | From | To | Established | Ecol. effects |
|---|---|---|---|---|
| 1900-1924 | Czech Republic | Slovakia | established | |
| 1950-1974 | Unknown | Albania | probably established | |
| 1950-1974 | Germany | Syria | not established | |
| 19th century | France | El Milia | not established | |
| unknown | Unknown | Afghanistan | established | |
| unknown | Germany | Cameroon | unknown | |
| unknown | Unknown | Croatia | established | some |
| unknown | Unknown | Tahiti | not established | |
| unknown | unknown | French Polynesia | not established | unknown |
| unknown | UK | Guyana | probably not established | |
| unknown | Costa Rica | Honduras | established | |
| unknown | Italy | Israel | not established | unknown |
| unknown | Unknown | Kyrgyzstan | established | |
| Unknown | South Africa | Lesotho | Probably Yes | |
| unknown | Unknown | Latvia | unknown | |
| unknown | Unknown | Lithuania | established | |
| unknown | Zimbabwe | Mozambique | unknown | |
| unknown | Unknown | Madeira Is. | established | |
| unknown | Unknown | Azores Is. | established | unknown |
| unknown | Unknown | Europe | established | |
| Unknown | Unknown | Uganda | Unknown | |
| unknown | Unknown | Ukraine | unknown | |
| 1900 - 1910 | England | Ireland | probably established | none |
| 1900 - 1910 | USA | Ireland | probably established | none |
| 1900 - 1910 | Denmark | Norway | probably not established | |
| 1918 - 1928 | Japan | Pakistan | established | probably some |
| 1918 - 1928 | USA | Pakistan | established | probably some |
| 1930 - 1939 | Switzerland | Israel | established | some |
| 1970 - 2000 | unknown | Canada | established | probably some |
| 1964 - 1966 | Czechoslovakia | Kazakhstan | established | |
| 1976 - 1979 | Unknown | Uzbekistan | established | |
| 1890 - 1901 | USA (NY) | Canada (Newfoundland) | established | probably some |
| 1890 - 1899 | Germany | Poland | established | probably some |
| 1881 - 1889 | USA | Poland | established | probably some |
| 1890 - 1899 | France | Spain | probably established | |
| 1877 | USA | Japan | established | unknown |
| 1877 | USA (California) | New Zealand | established | probably some |
| 1879 | USA | France | established | |
| 1882 | USA | Belgium | probably established | probably some |
| 1882 | USA | Germany | established | |
| 1882 | Germany | Switzerland | established | some |
| 1884 | USA | UK | established | unknown |
| 1885 | Germany | Austria | established | |
| 1885 | USA | Hungary | established | some |
| 1885 | Hungary | Romania | established | probably some |
| 1887 | USA (California) | Canada (Newfoundland) | established | probably some |
| 1889 | UK | Sri Lanka | established | unknown |
| 1890 | Germany | USSR | established | |
| 1891 | Germany | Czech Republic (Former Czechoslovakia) | established | |
| 1891 | Germany | Slovakia (former Czechoslovakia) | established | |
| 1891 | Germany | Sweden | established | |
| 1891 | USA | Yugoslavia | established | some |
| 1894 | New Zealand | Australia | established | probably some |
| 1894 | Germany | Denmark | established | some |
| 1895 | USA | Italy | established | some |
| 1896 | Germany | Estonia | probably not established | none |
| 1896 | Russia | Estonia | probably not established | none |
| 1896 | USA | Estonia | probably not established | none |
| 1897 | Denmark | Finland | probably not established | unknown |
| 1897 | Germany | Finland | probably not established | unknown |
| 1897 | Sweden | Finland | probably not established | unknown |
| 1897 | USA | Finland | probably not established | unknown |
| 1897 | UK | South Africa | Yes | |
| 1897 | Germany | Bulgaria | probably established | |
| 1898 | Unknown | Netherlands | not established | |
| 1900 | Unknown | Liechtenstein | probably not established | |
| 1904 | USA | Argentina | established | |
| 1905 | Germany | Chile | established | probably some |
| 1905 | South Africa | Kenya | Yes | |
| 1906 | Germany | India | probably established | probably some |
| 1906 | New Zealand | India | probably established | probably some |
| 1906 | Sri Lanka | India | probably established | probably some |
| 1906 | U.K. | India | probably established | probably some |
| 1906 | England | Malawi | Yes | |
| 1908 | South Africa | Swaziland | Probably Yes | |
| 1909 | USA | Portugal | established | unknown |
| 1910 | South Africa | Zimbabwe | Probably Yes | |
| 1913 | UK | Brazil | probably established | |
| 1920 | Oregon, USA | Hawaii | established | |
| 1922 | France | Madagascar | Yes | |
| 1925 | France | Morocco | Unknown | |
| 1925 | Switzerland | Morocco | ||
| 1925 | USA | Panama | established | |
| 1926 | USA | Colombia | probably not established | some |
| 1927 | USA | Peru | established | probably some |
| 1927 | Scotland | Tanzania | Yes | |
| 1928 | USA | Ecuador | probably established | |
| 1929 | Netherlands | Indonesia | not established | |
| 1934 | South Africa | Mauritius | No | Unknown |
| 1934 | USA | Puerto Rico | probably not established | |
| 1934 | USA | Venezuela | probably established | |
| 1935 | New Zealand | Malaysia | probably not established | |
| 1935 | Scotland, UK | Malaysia | probably not established | |
| 1935 | UK | Malaysia | probably not established | |
| 1940 | South Africa | Congo | Unknown | |
| 1940 | Madagascar | Reunion | Unknown | |
| 1942 | Chile | Bolivia | established | some |
| 1942 | USA | Bolivia | established | some |
| 1942 | South Africa | Zambia | Probably no | |
| 1946 | Denmark | Luxembourg | probably established | |
| 1947 | Kenya | Sudan | probably established | |
| 1950 | Switzerland | Greece | probably established | |
| 1951 | Denmark | Iceland | not established | probably some |
| 1952 | New Zealand | Papua New Guinea | established | none |
| 1954 | USA | Costa Rica | established | |
| 1957 | Japan | Taiwan | probably established | |
| 1957 | Argentina | Uruguay | not established | unknown |
| 1959 | North Korea | China | probably not established | probably some |
| 1959 | France | Kerguelen Is. | established | probably some |
| 1960 | Denmark | Lebanon | not established | |
| 1964 | Lebanon | Syria | not established | |
| 1965 | USA | Korea | established | |
| 1966 | Yugoslavia | Jordan | established | |
| 1966 | Europe | Iran | established | some |
| 1967 | Kenya | Ethiopia | Probably Yes | |
| 1967 | France | Tunisia | not established | unknown |
| 1968 | Unknown | Iraq | not established | |
| 1969 | USA | Cyprus | probably not established | |
| 1969 | Unknown | Turkey | established | |
| 1971 | India | Nepal | probably established | unknown |
| 1973 | Canada | Thailand | not established | unknown |
| 1974 | Unknown | Lake Imanda, Kola Peninsula | established | probably some |
| 1982 | USA | Guatemala | unknown | unknown |
| 1985 | USA | Dominican Republic | established | some |
| 1988 | Japan | Nepal | not established | unknown |
| 1996 | Japan | China | unknown | no data |
| 2001 | United States of America | China | unknown | no data |