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Clicking on a marker will show information available about the collection site. (Compare with corresponding letter in table.)
| Scroll through list of sites as necessary. | site | collection date | depth | substrate | salin | locality kind | comments | reference |
|---|---|---|---|---|---|---|---|---|
| A | Monroe County, New York, USA | 1913 or earlier | freshwater | Graff Lvon (1913) 26 | ||||
| B | west Wide Waters (of the Erie Canal), near Rochester , New York, USA | between May and Aug 1907 | freshwater | common. | Graff Lvon (1911) 347 | |||
| C | Ejde (Eidhi), (North of Ejde), Faroes, freshwater lake, Faroe Islands | Jun 22-Jul 19, 1928 | Freshwater | Steinböck O (1931) 2 | ||||
| D | Ejde (Eidhi), (Southeast), Faroes, freshwater bog-pool, Faroe Islands | Jun 22-Jul 19, 1928 | Freshwater | in great numbers | Steinböck O (1931) 2 | |||
| E | Vaag, (Vag; Vagur), Faroes, freshwater lake, southwest of Vaag, Faroe Islands | Jun 22-Jul 19, 1928 | Freshwater | Steinböck O (1931) 2 | ||||
| F | Vernier, Switzerland | 1900 or earlier | freshwater | Umgebung von Geneve (Vernier, Pinchat). | Fuhrmann O (1900) from Hofsten 1912 (citation)- p. 602 | |||
| G | Lac de Neuchatel (Neuenburger See, Neuenburg, Neuenburgersee, Neuchâtel), Switzerland | 1901 or earlier | freshwater | Sümpfe am Lac de Neuchatel zwischen Colombier und Auvernier. | Volz W (1901) from Hofsten 1912 (citation)- p. 602 | |||
| H | Neuchâtel (Neuchatel, Neuenburg), Switzerland | 1906 or earlier | freshwater | Loclat (Lac de St-Blaise) bei Neuchatel. | Thiébaud M (1906) from Hofsten 1912 (citation)- p. 602 | |||
| I | Geistsee, Längenbühl, Canton of Berne, Switzerland | 1907 or earlier | freshwater | Geistsee, Amsoldingensee. Teich zwischen Grindelwald und der Gr. Scheidgg. | Hofsten N v (1907) from Hofsten 1912 (citation)- p. 602 | |||
| J | Amsoldingensee, Amsoldingen, Switzerland | 1907 or earlier | freshwater | Geistsee, Amsoldingensee. Teich zwischen Grindelwald und der Gr. Scheidgg. | Hofsten N v (1907) from Hofsten 1912 (citation)- p. 602 | |||
| K | Michelfelden near Basel, Switzerland | prior to 1894 | freshwater | Fuhrmann O (1894) 218-222, 236 | ||||
| L | Basle (Basilea, Bale), Switzerland | 1894 or earlier | Fuhrmann O (1894) abstract | |||||
| M | Michelfelden near Basel, Switzerland | 1894 or earlier | freshwater | Graben bei Michelfelden (schweize-risch-elsässische Grenze). | Fuhrmann O (1894) from Hofsten 1912 (citation)- p. 602, and from Fuhrmann 1894 (citation) | |||
| N | Brienzersee (Brienzer See, Lake of Brienz), Switzerland | 1907 or earlier | 35 m | freshwater | Brienzer See. | Hofsten N v (1907) from Hofsten 1912 (citation)- p. 602 | ||
| O | Grindelwald, Switzerland | 1907 or earlier | freshwater | Geistsee, Amsoldingensee. Teich zwischen Grindelwald und der Gr. Scheidgg. | Hofsten N v (1907) from Hofsten 1912 (citation)- p. 602 | |||
| P | Great Scheidegg (Grosse Scheidegg), Switzerland | 1907 or earlier | freshwater | Geistsee, Amsoldingensee. Teich zwischen Grindelwald und der Gr. Scheidgg. | Hofsten N v (1907) from Hofsten 1912 (citation)- p. 602 | |||
| Q | Rovigno (Rovigno d'Istria, Rovinj), Croatia | 1933 or earlier | freshwater | shady pool in clear water in Hütteroth Park. | Steinböck O (1933) 9 | |||
| R | Leningrad Province (Sankt-Peterburg, Saint Petersburg), Russia | 1926 or earlier | Leningrad province. | Nasonov NV (1926) abstract | ||||