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 | western and middle, Czech Republic (Böhmen, Bohmen, Bohemia) | 1911 or earlier | mud | freshwater | type locality | mud in banks of ponds. | Graff Lvon (1913) 220 |