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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 | Saint Petersburg (Sankt-Peterburg, Petrogrado, Petrograd, Leningrad), Russia | 1926 or earlier | default type | Umgebung von Leningrad, zwei Sümpfe neben Quellen. | Nasonov NV (1926) ; from Luther 1963 (citation)- p. 26 |