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 | Tübigen (Tubingen), Baden-Wurttemberg Land, Germany | 1897 or earlier | freshwater | type locality | Hesse R (1897) ; from Graff (citation)- p. 353 |