site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
---|---|---|---|---|---|---|---|---|---|
A | Athens, Georgia, USA | 1608 map | 1938 or earlier | type locality | freshwater | collected from a swamp about 3 miles northeast of Athens. | Nuttycombe JW, Waters AJ (1938): 266 | ||
B | Poznan, Wielkopolskie, Poland | 4877 map | 1974 or earlier | freshwater | Two specimens found in the Poznan vicinity: in weeds of Carex sp. in a pond and a helocrene spring. | Kolasa J, Young J (1974): 159 |