| site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
|---|---|---|---|---|---|---|---|---|---|
| A | Athens, Georgia, USA | 1608 | 1938 or earlier | default type | freshwater | collected in two ponds in vicinity of Athens. | Nuttycombe JW, Waters AJ (1938): 264 | ||
| B | Mountain Lake, Virginia, USA | 1609 | 1938 or earlier | default type | freshwater | collected from several localities in the region of Mountain Lake. | Nuttycombe JW, Waters AJ (1938): 264 | ||
| C | Southeastern New York State, USA | 2196 | prior to 1987 | freshwater | 2 specimens from interstitial waters. | Kolasa J, Strayer D, Bannon-O'Donnell E (1987): 127 |