|  | site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | 
| A | river Tietê, in the Corôa (Coroa) lagoon, in the suburb of Canindé (Caninde), city of  São Paulo (San Paulo), Brazil | 913 
  map | 1946 or earlier 40's. |  |  |  |  | 20 specimens. | Marcus Er (1946): 56 | 
| B | Rio Tiete, close to suburb of Limão, city of São Paulo (San Paulo), Brazil | 912 
  map | 1946 or earlier 40's. |  |  |  |  | 20 specimens. | Marcus Er (1946): 56 | 
| C | Switzerland (Schweiz) | 2455 
  map | 1913 or earlier |  |  |  | freshwater | pools.  at an altitude of 1950 m. | Graff Lvon (1913): 95 | 
| D | Kola Peninsula (Halbinsel Kola, Alexandrowsk, Kandalakscha, Kantalahti, Alexandrovsk), Russia | 1263 
  map | 1932 or earlier |  |  |  | freshwater |  | Steinböck O (1932): 306 | 
| E | Kapisillit (Kapisigdlit, Kapisilik), Greenland | 280 
  map | 1932 or earlier |  |  |  | freshwater | in lake near Kapisigdlit in Gadthaabfjord. | Steinböck O (1932): 306 | 
| F | Godthaab (Godthab,Godthäb, Nuuk), Greenland | 271 
  map | 1932 or earlier |  |  |  | freshwater | in lake near Godthaab. | Steinböck O (1932): 306 | 
| G | Godhavn, Disko Bay, Greenland | 2776 
  map | 1932 or earlier |  |  |  | freshwater | in lake near Godhavn. | Steinböck O (1932): 306 | 
| H | entry Finnish Bay (Finnischen Meerbusen), Kiipsaare Nukk, Saaremaa, Estonia | 2861 
  map | 1932 or earlier |  |  |  | slightly brackish |  | Steinböck O (1932): 306 | 
| I | Yaltinskaya Yayla (Jaila Geberge, Yalta Mountains, Yayladag, Alpine Meadows, Yaila-dagh, Glavnaya Gryada), Krym (Crimea, Krim), Ukraine | 2879 
  map | 1932 or earlier |  |  |  | freshwater |  | Steinböck O (1932): 306 | 
| J | Finland (Finnland, Finlyandiya, Finlandia, Finlande, Suomen Tasavalta, Suomi) | 2656 
  map | 1932 or earlier |  |  |  | freshwater | south Finnland. | Steinböck O (1932): 306 | 
| K | Great Scheidegg (Grosse Scheidegg), Switzerland | 4101 
  map | 1907 or earlier |  |  |  | freshwater | Tümpel bei der Gr. Scheidegg (Berner Oberland, 1950 m ü. M.). | Hofsten N v (1907): from Hofsten 1912 (citation)- p. 612 | 
| L | Trübsee (Trubsee), Titlis, Switzerland | 4120 
  map | 1911 or earlier |  |  |  | freshwater | Tümpel beim Trübsee (Obwladen, 1780 m ü. M.). | Hofsten N v (1911): from Hofsten 1912 (citation)- p. 612 | 
| M | Tatras near Zakopane, Poland | 5118 
  map | 1934-1937 |  |  |  |  | In der Tatra... | Gieysztor M (1938): 215, 223 | 
| N | Mount Kavul (Kābūl), Lower Galilee, Israel | 5813 
  map | January-April 2000-2002 |  |  |  | freshwater |  | Noreña C, Eitam A, Blaustein L (2008): 5-6 | 
| O | Mount Shekanya (Shekhanya), Lower Galilee, Israel | 5814 
  map | January-April 2000-2002 |  |  |  |  |  | Noreña C, Eitam A, Blaustein L (2008): 5-6 | 
| P | Bad Oldesloe, Schleswig-Holstein, Germany | 3467 
  map | Jun 22, 1958 |  |  |  |  | Binnensalzstelle VI a bei Bad Oldesloe  (8 Ex.) | Rixen J-U (1961): 497 | 
| Q | Uppland (Upland), Sweden | 5760 
  map | May 22, 1950 |  |  |  |  | Uppland, Fiby, in einer Probe mit Phragmites, Equisetum u.s.w. von Schwankmoor am Südufer des Fibysjön | Luther A (1955): 196 | 
| R | Fiby, Uppsala, Sweden | 6969 
  map | May 22, 1950 |  |  |  |  | Uppland, Fiby, in einer Probe mit Phragmites, Equisetum u.s.w. von Schwankmoor am Südufer des Fibysjön | Luther A (1955): 196 | 
| S | Fibysjön, Uppsala, Sweden | 6970 
  map | May 22, 1950 |  |  |  |  | Uppland, Fiby, in einer Probe mit Phragmites, Equisetum u.s.w. von Schwankmoor am Südufer des Fibysjön | Luther A (1955): 196 | 
| T | Sarek mountains (Sarekgebirge), Sweden | 2880 
  map | 1916 or earlier |  |  |  |  | Fehlt im Hochgebirge von Sarek. | Hofsten N v (1917): from Luther 1955 (citation)- p. 196 | 
| U | Kola Peninsula (Halbinsel Kola, Alexandrowsk, Kandalakscha, Kantalahti, Alexandrovsk), Russia | 1263 
  map | 1923 or earlier |  |  |  |  | Halbinsel Kola, Alexandrovsk | Nasonov NV (1923): from Luther 1955 (citation)- p. 196 | 
| V | Murmansk (Muurmanni, Gorod Murmansk), Russia | 3032 
  map | 1925 or earlier |  |  |  |  | Murmansk, in fliessendem Wasser. | Nasonov NV (1925): from Luther 1955 (citation)- p. 196 | 
| W | Brännskär (Brannskar, Brenskar, Brannskaret, Brandskar), Finland | 5757 
  map | Jul 8, 1951 |  |  |  |  | Tvärminne:  Brännskär, Felstümpel mit viel stellenweise mit Moos u. Phanerogamen, meist aber vegetationsloser Felsboden mit viel Schlamm, 1/4 m tief.  Desgl. Tümpel 19 c, 20 cm tief, 19º C. | Luther A (1955): 196 | 
| X | Äggharun, Finland | 4825 
  map | 1955 or earlier |  |  |  |  | Äggharum Tümpel N:o 19. | Luther A (1955): 196 | 
| Y | Crimean Peninsula (Kryms’kyy Pivostriv, Crimea, Krim), Ukraine | 5804 
  map | 1924 or earlier |  |  |  |  | Russand.  Krim, Jaila 1010 m ü.M. | Nasonov NV (1924): from Luther 1955 (citation)- p. 196 | 
| Z | Yaltinskaya Yayla (Jaila Geberge, Yalta Mountains, Yayladag, Alpine Meadows, Yaila-dagh, Glavnaya Gryada), Krym (Crimea, Krim), Ukraine | 2879 
  map | 1924 or earlier |  |  |  |  | Russand.  Krim, Jaila 1010 m ü.M. | Nasonov NV (1924): from Luther 1955 (citation)- p. 196 | 
| A1 | Dijon, France | 6971 
  map | 1921 or earlier |  |  |  |  |  | Beauchamp Pde (1921): from Luther 1955 (citation)- p. 196 | 
| B1 | Popradské Pleso (Popradzskie jezioro, Popradsee) | 6972 
  map | 1939 or earlier |  |  |  |  | Tatra, Popradzskie jezioro (Popradsee) 1513 m ü.M. | Minkiewicz S (1914): Meixner 1915 (citation) and Gieyzator 1939 (citation), from Luther 1955 (citation)- p. 196 | 
| C1 | Eastern Alps (Ostalpen) | 4038 
  map | 1924 or earlier |  |  |  |  | Ostalpen:  überall in der alpinen und subnivalen Region. | Reisinger E (1924): from Luther 1955 (citation)- p. 196 | 
| D1 | Hohe Tauern, Austria | 5569 
  map | 1925 or earlier |  |  |  |  | Hohe Tauern, Tümpel auf dem Sonnblick, 2221 m ü.M., 20º C | Meixner J (1925): from Luther 1955 (citation)- p. 196 | 
| E1 | Lunzer See (Lunzer Lake, Unterer Lunzer See ), Austria (Österreich) | 5632 
  map | 1915 or earlier |  |  |  |  | Typischer Bewohner der Almtümpel des Lunzer Seengebietes.  Speiksee auf der Koralle. | Meixner J (1915): from Luther 1955 (citation)- p. 196 | 
| F1 | Rybinskoye Vodokhranilishche (Shcherbakov, Rybinsk), Russia | 3422 
  map | 2011 or earlier |  |  |  |  | ....lakes of the southern Urals and in environs of Rybinsk reservoir (the Volga River basin). | Rogozin AG (2011): abstract | 
| G1 | Southern Urals | 7270 
  map | 2011 or earlier |  |  |  |  | ....lakes of the southern Urals and in environs of Rybinsk reservoir (the Volga River basin). | Rogozin AG (2011): abstract |