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 | Rockbridge County, Virginia, USA | 1939 or earlier | freshwater | large spring in Rockbridge County, Virginia. ....taken in large masses of Spirogyra in which they live.... | Ferguson FF (1939-1940) 34 |