site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
---|---|---|---|---|---|---|---|---|---|
A | State of Virginia, USA | 2204 map | 1972 or earlier | freshwater | Kenk R (1972): 41 | ||||
B | Southern Ontario, Ontario, Canada | 2101 map | 1972 or earlier | freshwater | Kenk R (1972): 41 |