Overlapping markers can be separated by clicking on them.
Hovering the cursor over a marker will show the site's name.
Clicking on a marker will show information available about the collection site. (Compare with corresponding letter in table.)
| site | collection date | depth | substrate | salin | locality kind | comments | reference | |
|---|---|---|---|---|---|---|---|---|
| A | Scottsville, Virginia, USA | Oct 14, 1928 | freshwater | type locality | stream near Scottsville. | Kepner WM, Carter JS (1930) 301 | ||
| B | Washington, District of Columbia, USA | 1956 or earlier | freshwater | stream. | Nuttycombe JW (1956) 427 | |||
| C | Washington, District of Columbia, USA | 1944 or earlier | freshwater | growing abundantly in a large aquarium in the biology department, Catholic University. | Heinlein E, Wachowski HE (1944) 150 |