site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
---|---|---|---|---|---|---|---|---|---|
A | Augustinerholzes near Basel, Switzerland | 1960 map | prior to 1894 | type locality | freshwater | found all summer. | Fuhrmann O (1894): 218-222, 233 | ||
B | France (Frankreich) | 2454 map | 1913 or earlier | Graff Lvon (1913): 43 |