site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
---|---|---|---|---|---|---|---|---|---|
A | Observatory Mountain, Charlottesville, Virginia, USA | 1605 map | Jul 10, 1929 | type locality | mud | freshwater | in the mud in the overflow from Edgemont Dairy water-basin on the south side of Observatory Mountain. | Kepner WA, Carter JS (1931): 114; also from Nuttycombe JW, Waters AJ 1938 (citation)- p 238 | |
B | Southeastern New York State, USA | 2196 map | prior to 1987 | freshwater | 12 specimens from stream surface sediments. | Kolasa J, Strayer D, Bannon-O'Donnell E (1987): 127 |