|  | site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | 
| A | Rochester, New York, USA | 1196 
  map | between May and Aug 1907 | default type |  |  |  |  | Graff Lvon (1911): 362 | 
| B | Falmouth, Massachusetts, USA | 1190 
  map | between May and Aug 1907 | default type |  |  | brackish | found behind the Episcopal Church in brackish water. | Graff Lvon (1911): 362 | 
| C | Godhavn (Iluilek, K'ekertarssuak, Kekertarsuak, Qeqertarsuaq, Port of Lievely, Qeqertarssuaq), Greenland | 1200 
  map | 1927 |  |  |  |  | fresh and brackish, pool in Goldhavn (sp?) | Reisinger E, Steinböck O (1927): 38; from Reisinger E, Steinbock O 1932 (citation)- p 307 | 
| D | Sweden (Schweden) | 2625 
  map | 1913 or earlier |  |  |  | freshwater | pools. | Graff Lvon (1913): 113 | 
| E | France (Frankreich) | 2454 
  map | 1913 or earlier |  |  |  | freshwater | pools. | Graff Lvon (1913): 113 | 
| F | Germany (Deutschland) | 2628 
  map | 1913 or earlier |  |  |  | freshwater | pools. | Graff Lvon (1913): 113 | 
| G | Austria (Österreich) | 2456 
  map | 1913 or earlier |  |  |  | freshwater | pools. | Graff Lvon (1913): 113 | 
| H | western and middle, Czech Republic (Böhmen, Bohmen, Bohemia) | 2640 
  map | 1913 or earlier |  |  |  | freshwater | pools. | Graff Lvon (1913): 113 | 
| I | Karkonosze (Giant Mountains, Riesengebirge, Krkonose, Reisen), Poland | 2661 
  map | 1913 or earlier |  |  |  | freshwater | lakes at 1168 m altitude. | Graff Lvon (1913): 113 | 
| J | Charkov (Kharkiv, Charkow, Khar'kov, Kharkow), Ukraine | 2444 
  map | 1913 or earlier |  |  |  | freshwater | lakes. | Graff Lvon (1913): 113 | 
| K | Dorpat (Tartu, Terbata, Tartto, Derpt, Yurev, Yur'yev),  Estonia | 2451 
  map | 1913 or earlier |  |  |  | freshwater | lakes. | Graff Lvon (1913): 113 | 
| L | Egedesminde (Aasiaat), Disko Bay, Greenland | 276 
  map | 1879 or earlier |  |  |  | freshwater and brackish | Steinbock notes that Levinsen's Vortex pictus identification was actually Dalyellia rossi. | Levinsen GMR (1879): ; from Steinbock (citation)- p. 307 | 
| M | Godhavn, Disko Bay, Greenland | 2776 
  map | 1879 or earlier |  |  |  | freshwater and brackish | pool near Goldhavn (sp?).  Steinbock notes that Levinsen's Vortex pictus identification was actually Dalyellia rossi. | Levinsen GMR (1879): ; from Steinbock (citation)- p. 307 | 
| N | Jakobshavn, Disko Bay, Greenland | 281 
  map | 1879 or earlier |  |  |  | freshwater and brackish | Steinbock notes that Levinsen's Vortex pictus identification was actually Dalyellia rossi. | Levinsen GMR (1879): ; from Steinbock (citation)- p. 307 | 
| O | Warszawa (Warschau, Varsavia, Varshava, Warsaw, Varsovie), Poland | 2674 
  map | 1926 or earlier |  |  |  |  | near Warsaw. | Gieysztor M (1926): abstract | 
| P | Leningrad Province (Sankt-Peterburg, Saint Petersburg), Russia | 3893 
  map | 1926 or earlier |  |  |  |  | Leningrad province. | Nasonov NV (1926): abstract | 
| Q | Leningrad Province (Sankt-Peterburg, Saint Petersburg), Russia | 3893 
  map | 1926 or earlier |  |  |  |  | Leningrad province. | Nasonov NV (1926): abstract | 
| R | Finland (Finnland, Finlyandiya, Finlandia, Finlande, Suomen Tasavalta, Suomi) | 4049 
  map | 1917 or earlier | default type |  |  |  |  | Nasonov NV (1917): abstract | 
| S | Finland (Finnland, Finlyandiya, Finlandia, Finlande, Suomen Tasavalta, Suomi) | 4049 
  map | 1917 or earlier | default type |  |  |  |  | Nasonov NV (1917): abstract | 
| T | Neuchâtel (Neuchatel, Neuenburg), Switzerland | 4097 
  map | 1906 or earlier |  |  |  | freshwater | Tümpel auf dem Pouillerel (Neuchateler Jura), 1220 m ü. M.). | Thiébaud M, Favre J (1906): from Hofsten 1912 (citation)- p. 615 and Thiébaud & Favre 1906 (citation) | 
| U | Schulen-See (Schulensee), Schleswig-Holstein, Germany | 6002 
  map | Jul 23, 1958 |  |  |  |  | Schulensee, Phytal (3 Ex.) | Rixen J-U (1961): 496 | 
| V | Schulen-See (Schulensee), Schleswig-Holstein, Germany | 6002 
  map | May 15, 1957 |  |  |  |  | Schulensee, Phytal (1 Ex.) | Rixen J-U (1961): 496 | 
| W | Lebrader Teich, Schleswig-Holstein, Germany | 5993 
  map | Jul 31, 1958 |  |  |  |  | Lebrader Teich (3 Ex.) | Rixen J-U (1961): 485 | 
| X | Lebrader Teich, Schleswig-Holstein, Germany | 5993 
  map | Jun 12, 1958 |  |  |  |  | Lebrader Teich (1 Ex.) | Rixen J-U (1961): 485 | 
| Y | Wellsee, Schleswig-Holstein, Germany | 6032 
  map | Jul 24, 1957 |  |  |  |  | Wellsee, Binsengürtel (15 Ex.) | Rixen J-U (1961): 485 | 
| Z | Rosenfeld, Schleswig-Holstein, Germany | 5995 
  map | Aug 16, 1957 |  |  |  |  | Rosenfelder See, Phytalregion (5 Ex.) | Rixen J-U (1961): 496 | 
| A1 | Tannenberger Gehölz in Kiel, Schleswig-Holstein, Germany | 6033 
  map | May 29, 1958 |  |  |  |  | Teich im Tannenberger Gehölz in Kiel (5 Ex.) | Rixen J-U (1961): 496 | 
| B1 | Vieburger Gehölz in Kiel, Schleswig-Holstein, Germany | 6034 
  map | Apr 23, 1957 |  |  |  |  | Vieburger Gehölz in Kiel, Buchenwaldtümpel (18 Ex.) | Rixen J-U (1961): 496 | 
| C1 | Vieburger Gehölz in Kiel, Schleswig-Holstein, Germany | 6034 
  map | May 19, 1958 |  |  |  |  | Vieburger Gehölz in Kiel, Buchenwaldtümpel (1 Ex.) | Rixen J-U (1961): 496 | 
| D1 | Vieburger Gehölz in Kiel, Schleswig-Holstein, Germany | 6034 
  map | Apr 12, 1957 |  |  |  |  | Vieburger Gehölz in Kiel, Buchenwaldtümpel (30 Ex.) | Rixen J-U (1961): 496 | 
| E1 | Tvarminne (Tvärminne, Tverminne, Tvaerminne), Kvarnskar (Kvärnskar), Finnish Bay, Finland | 886 
  map | 1955 or earlier |  |  |  |  | Tvärminne, Hästhagen, kleiner Graben mit fliessendem Wasser auf humusreichen Waldboden, Ende April bis Mitte Mai, Wassertemp, 6-9 1/2º C. | Luther A (1955): 133 | 
| F1 | Ekenas (Ekenäs, Tammisaari, Tammisari), Finland | 2932 
  map | 1955 or earlier |  |  |  |  | Ekenäs, Elgö Nästräsk, im stark beschatteten Ausflussgraben eines Moores im losen Dy, 12.5 º C. | Luther A (1955): 133 | 
| G1 | Helsinki (Helsingkiranta, Helsinginkyla, Helsinge, Helsingfors, Khel’sinki, Yelsinki), Finland | 2925 
  map | Apr 2, 1943 |  |  |  |  | Helsingfors, Haga:  in Weggraben | Luther A (1955): 133 | 
| H1 | Haaga (Haga), Finland | 5765 
  map | Apr 2, 1943 |  |  |  |  | Helsingfors, Haga:  in Weggraben | Luther A (1955): 133 | 
| I1 | Grankulla (Kauniainen, Rauniainen), Finland | 5822 
  map | May 8, 1949 |  |  |  |  | Grandkulla, Frühlingtümpel in einer Sandgrube, zwischen totem Laub u. Gras. | Luther A (1955): 133 | 
| J1 | Gvardeyskoye (Гвардейское, Karisalmi), Russia | 5685 
  map | 1917 or earlier |  |  |  |  | Karisalmi. | Nasonov NV (1917): from Luther 1955 (citation)- p. 133 | 
| K1 | Leningrad Province (Sankt-Peterburg, Saint Petersburg), Russia | 3893 
  map | 1926 or earlier |  |  |  |  | Umgebung von Leningrad | Nasonov NV (1926): from Luther 1955 (citation)- p. 133 | 
| L1 | Perm (Perm'), Russia | 5839 
  map | 1921 or earlier |  |  |  |  |  | Beklemischev VN (1921): from Luther 1955 (citation)- p. 133 | 
| M1 | Ivanovo (Ivanovo-Vosnesensk, Ivanovo-Voznesensk, Ivanovo-Vosnessensk Иваново, Iwanowo), Russia | 5751 
  map | 1924 or earlier |  |  |  |  |  | Nasonov NV (1924): from Luther 1955 (citation)- p. 133 | 
| N1 | Vladimir (Wladimir), Russia | 6928 
  map | 1924 or earlier |  |  |  |  |  | Nasonov NV (1924): from Luther 1955 (citation)- p. 133 | 
| O1 | Kaluga (Kalouga, Kalyga, Kanyra), Russia | 5561 
  map | 1917 or earlier |  |  |  |  |  | Beklemischev VN (1917): from Luther 1955 (citation)- p. 133 | 
| P1 | Kurmark, Germany | 3468 
  map | 1942 or earlier |  |  |  |  | (Weise 1942, D.k. var. dupliparfera Weise, durch nichts von der Hauptart unterschieden) | Weise M (1942): from Luther 1955 (citation)- p. 133 | 
| Q1 | Warszawa (Warschau, Varsavia, Varshava, Warsaw, Varsovie), Poland | 2674 
  map | 1939 or earlier |  |  |  |  |  | Gieysztor M (1939): from Luther 1955 (citation)- p. 133 |