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) | 1913 or earlier | freshwater | pools. | Graff Lvon (1913) 146 | |||
| B | East Prussia (Ostpreussen, Prusy Wschodnie, Prusse Orientale), Poland | 1913 or earlier | freshwater | pools. | Graff Lvon (1913) 146 |