[n = 10]
Year / Period | From | To | Established | Ecol. effects |
---|---|---|---|---|
unknown | St. Lawrence River | Baltimore, MD | unknown | |
unknown | Unknown | Slovakia | established | |
unknown | Unknown | Italy | established | |
unknown | Unknown | Iran | probably established | unknown |
unknown | Unknown | Germany | unknown | |
unknown | Baltic Sea | Belarus | established | |
unknown | Unknown | Austria | established | |
1870 - 1879 | Europe | Mitidja Oueds | not established | |
1915 | Unknown | Czech Republic | established | no data |
1956 | Austria | Hungary | probably established | unknown |