|  | site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | 
| A | Ejde (Eidhi), Ostero, Faroes, lakes, sources, brooks, bog-pools, Faroe Islands | 370 
  map | Jun 22-Jul 19, 1928 |  |  |  | freshwater | bog-pool in the surroundings of Ejde, about 150 meters above sea level, some specimens | Steinböck O (1931): 8 | 
| B | Skutustaoir, north Iceland | 597 
  map | Jul 1-Aug 2, 1937 |  |  |  | freshwater | in a bog pool north of Laugarvatn, many specimens. | Steinböck O (1948): 22 | 
| C | Firth of Clyde (Millport), United Kingdom | 249 
  map | prior to 1882 |  |  |  |  |  | Graff Lvon (1882): 302 | 
| D | Aschaffenburg (Auscheffenburg), Germany | 1150 
  map | prior to 1882 |  |  |  |  |  | Graff Lvon (1882): 302 | 
| E | Lundenburg in Mähren (Maehren),  Germany | 1152 
  map | prior to 1882 |  |  |  |  |  | Graff Lvon (1882): 302 | 
| F | Pancsova (Pancevo, Panciova, Pantschowa) in South Hungary (Ungarn), in the Vojvodina region, now part of Serbia | 1153 
  map | prior to 1882 |  |  |  |  |  | Graff Lvon (1882): 302 | 
| G | Mummelsee lake in Schwarzwald, Germany | 1179 
  map | prior to 1882 |  |  |  |  |  | Graff Lvon (1882): 302 | 
| H | Rochester, New York, USA | 1196 
  map | between May and Aug 1907 |  |  |  | freshwater | in peat water of the peat bog close to South Goodman Street, Rochester, New York, USA. | Graff Lvon (1911): 377 | 
| I | west Wide Waters (of the Erie Canal), near Rochester , New York, USA | 1188 
  map | between May  and Aug 1907 |  |  |  | freshwater |  | Graff Lvon (1911): 377 | 
| J | Illinois, Iowa, Wisconsin, Minnesota, Mississippi Basin, USA | 1428 
  map | 1915-1917 |  |  | mud, algae, dead leaves, dead sticks | freshwater | several locations in the Mississippi study area.  No location specified.  Small temporary pond | Higley R (1918): 12-17, 51 | 
| K | Neudorf, Switzerland | 1949 
  map | prior to 1894 |  |  |  | freshwater | numerous in marsh. | Fuhrmann O (1894): 218-222, 241 | 
| L | Brislach, Switzerland | 1955 
  map | prior to 1894 |  |  |  | freshwater |  | Fuhrmann O (1894): 218-222, 241 | 
| M | Burghfield, United Kingdom | 2167 
  map | Mar 30, 1944 |  |  |  | freshwater | British Museum record, from roadside pond, Trash Green. | Young JO (1970): 220 | 
| N | Burghfield, United Kingdom | 2167 
  map | Apr 24, 1944 |  |  |  | freshwater | British Museum record, from woodland pond, Burghfield Common, Berks. | Young JO (1970): 220 | 
| O | Epping Forest, United Kingdom | 2118 
  map | prior to 1926 |  |  |  | freshwater |  | Jane FW (1926): ; from Young JO (citation)- p 220 | 
| P | London, England, United Kingdom | 2115 
  map | prior to 1926 |  |  |  | freshwater | from Chigwell Row. | Jane FW (1926): ; from Young JO (citation)- p 220 | 
| Q | Sweden (Schweden) | 2625 
  map | 1913 or earlier |  |  |  | freshwater |  | Graff Lvon (1913): 222 | 
| R | Denmark (Dänemark) | 2469 
  map | 1913 or earlier |  |  |  | freshwater |  | Graff Lvon (1913): 222 | 
| S | Netherlands (Holland) | 2639 
  map | 1913 or earlier |  |  |  | freshwater |  | Graff Lvon (1913): 222 | 
| T | France (Frankreich) | 2454 
  map | 1913 or earlier |  |  |  | freshwater |  | Graff Lvon (1913): 222 | 
| U | Switzerland (Schweiz) | 2455 
  map | 1913 or earlier |  |  |  | freshwater |  | Graff Lvon (1913): 222 | 
| V | Germany (Deutschland) | 2628 
  map | 1913 or earlier |  |  |  | freshwater |  | Graff Lvon (1913): 222 | 
| W | Austria (Österreich) | 2456 
  map | 1913 or earlier |  |  |  | freshwater |  | Graff Lvon (1913): 222 | 
| X | Hungary (Ungarn) | 2457 
  map | 1913 or earlier |  |  |  | freshwater |  | Graff Lvon (1913): 222 | 
| Y | Russia | 2458 
  map | 1913 or earlier |  |  |  | freshwater |  | Graff Lvon (1913): 222 | 
| Z | Tomsk, Siberia, Russia | 2631 
  map | 1913 or earlier |  |  |  | freshwater |  | Graff Lvon (1913): 222 | 
| A1 | Badulla, Sri Lanka (Ceylon, Taprobane, Serendib, Sri Lanka Janarajaya) | 1217 
  map | 1913 or earlier |  |  |  | freshwater | Graff questions this. | Graff Lvon (1913): 222 | 
| B1 | Tiflis (Tbilsi, Tblisi, Tpilisi), Georgia | 2657 
  map | 1913 or earlier |  |  |  | freshwater |  | Graff Lvon (1913): 222 | 
| C1 | Finland (Finnland, Finlyandiya, Finlandia, Finlande, Suomen Tasavalta, Suomi) | 2656 
  map | 1913 or earlier |  |  |  | freshwater |  | Graff Lvon (1913): 222 | 
| D1 | Kola Peninsula (Halbinsel Kola, Alexandrowsk, Kandalakscha, Kantalahti, Alexandrovsk), Russia | 1263 
  map | 1932 or earlier |  |  |  | freshwater |  | Steinböck O (1932): 314 | 
| E1 | Sarek mountains (Sarekgebirge), Sweden | 2880 
  map | 1932 or earlier |  |  |  | freshwater | pool. | Steinböck O (1932): 314 | 
| F1 | Godthaab (Godthab,Godthäb, Nuuk), Greenland | 271 
  map | 1932 or earlier |  |  |  | freshwater | pools and lakes. | Steinböck O (1932): 314 | 
| G1 | Holsteinsborg (Sisimiut, Holsteinborg, Holstenborg, Amerdlok, Holstensborg), Greenland | 272 
  map | 1932 or earlier |  |  |  | freshwater |  | Steinböck O (1932): 314 | 
| H1 | Egedesminde (Aasiaat), Disko Bay, Greenland | 276 
  map | 1876 or earlier |  |  |  | freshwater | pools and lakes. | Levinsen GMR (1879): ; from Steinbock (citation)- p. 314 | 
| I1 | Godhavn, Disko Bay, Greenland | 2776 
  map | 1932 or earlier |  |  |  | freshwater | pools and lakes. | Steinböck O (1932): 314 | 
| J1 | Llyn Cwellyn (Quellan), Caernarvonshire (Caernarvon, Carnarvonshire, Arfon), North Wales, United Kingdom | 3340 
  map | Nov 1968 - Oct 1969 |  | littoral |  | freshwater | calcium poor lake (1.7 mg/l). | Young JO (1973): 204 | 
| K1 | Llyn Ogwen, Caernarvonshire (Caernarvon, Carnarvonshire, Arfon), North Wales, United Kingdom | 3345 
  map | Nov 1968 - Oct 1969 |  | littoral |  | freshwater | calcium poor lake (0.4 mg/l). | Young JO (1973): 204 | 
| L1 | Kenya | 3517 
  map | 1976 or earlier |  |  |  | freshwater |  | Young JO, Young BM (1976): ; from Young 1976 (citation)- 423 | 
| M1 | from the provinces of Avila, Cuenca, Guadalajara, Madrid and Segovia, Peninsula Iberica (Iberian Peninsula, Peninsula Hispanica), Spain | 3763 
  map | 1996 or earlier |  |  |  | freshwater | Iberian Peninsula. | Farias F, Gamo J, Norena-Janssen C (1996): abstract | 
| N1 | Lake Geneva (Genfer, Genfersees, Ginevra, Geneve, Leman, Lac Léman, Lemano), Switzerland | 2635 
  map | 1911 or earlier |  |  |  | freshwater | Sümpfe am Ufer des Léman. | Hofsten N v (1911): from Hofsten 1912 (citation)- p. 631 | 
| O1 | Lake Geneva (Genfer, Genfersees, Ginevra, Geneve, Leman, Lac Léman, Lemano), Switzerland | 2635 
  map | 1879 or earlier |  | 45 m |  | freshwater | Léman, Tiefe (bei Ouchy, 45 m). | Du Plessis G (1879): from Hofsten 1912 (citation)- p. 631 | 
| P1 | Orbe, Switzerland | 4136 
  map | 1879 or earlier |  |  |  | freshwater | Tiefe bei Orbe. | Du Plessis G (1879): from Hofsten 1912 (citation)- p. 631 | 
| Q1 | Geneve (Genf, Ginevra, Geneva), Switzerland | 3925 
  map | 1900 or earlier |  |  |  | freshwater | Umgebung von Geneve (Veyrier, Meyrin, St-Georges, Chene-Bougeries, Morillon). | Fuhrmann O (1900): from Hofsten 1912 (citation)- p. 632 | 
| R1 | Murtensee (Lac de Morat), Switzerland | 4138 
  map | 1885 or earlier |  |  |  | freshwater |  | Imhof O (1885): from Hofsten 1912 (citation)- p. 632 | 
| S1 | Zürichsee (Zürcher See, Züricher See, Lake of Zurich, Lago di Zurigo, Zurcher), Zurich, Switzerland | 4098 
  map | 1885 or earlier |  |  |  | freshwater | Zürcher See. | Imhof O (1885): from Hofsten 1912 (citation)- p. 632 | 
| T1 | Ägerisee (Lake Aegeri), Canton of Zug, Switzerland | 4139 
  map | 1885 or earlier |  |  |  | freshwater | Aegeri See. | Imhof O (1885): from Hofsten 1912 (citation)- p. 632 | 
| U1 | Hallwilersee (Hallwiler, Hallwyler See), Switzerland | 4140 
  map | 1885 or earlier |  |  |  | freshwater | Hallwiler See. | Imhof O (1885): from Hofsten 1912 (citation)- p. 632 | 
| V1 | Sempachersee (Sempacher See), Switzerland | 4141 
  map | 1885 or earlier |  |  |  | freshwater | Sempacher See. | Imhof O (1885): from Hofsten 1912 (citation)- p. 632 | 
| W1 | Seelisberg, Switzerland | 4143 
  map | 1885 or earlier |  |  |  | freshwater | Seelisbergersee. | Imhof O (1885): from Hofsten 1912 (citation)- p. 632 | 
| X1 | Moosseedorfsee (Moossee), Canton of Bern, Switzerland | 4144 
  map | 1894 or earlier |  |  |  | freshwater | Grosser Moosseedorfsee bei Bern (litoral).. | Steck T (1894): from Hofsten 1912 (citation)- p. 632 | 
| Y1 | Thuner Lake (Thunersee, Thuner See, Lake of Thoune, Lago di Thun), Switzerland | 2697 
  map | 1907 or earlier |  |  |  | freshwater | Ufer des Thuner Sees. | Hofsten N v (1907): from Hofsten 1912 (citation)- p. 632 | 
| Z1 | Bönigen (Bonigen), Switzerland | 4109 
  map | 1907 or earlier |  |  |  | freshwater | Teich bei Bönigen, Moorgraben bei Kienholz (beide nahe dem Brienzer See). | Hofsten N v (1907): from Hofsten 1912 (citation)- p. 632 | 
| A2 | Great Scheidegg (Grosse Scheidegg), Switzerland | 4101 
  map | 1907 or earlier |  |  |  | freshwater | Tümpel bei der Grossen Scheidegg (1950 m ü. M.). | Hofsten N v (1907): from Hofsten 1912 (citation)- p. 632 | 
| B2 | Bachalpsee (Bach See, Bachsee), Switzerland | 4122 
  map | 1907 or earlier |  |  |  | freshwater | Teichartige Erweiterung des Mühlbaches nahe beim Bachsee (2264 m). | Hofsten N v (1907): from Hofsten 1912 (citation)- p. 632 | 
| C2 | Sägistalsee (Sagistalsee), Switzerland | 4123 
  map | 1901 or earlier |  |  |  | freshwater |  | Volz W (1901): from Hofsten 1912 (citation)- p. 632 | 
| D2 | Sägistalsee (Sagistalsee), Switzerland | 4123 
  map | 1911 or earlier |  |  |  | freshwater | Teichartige extension of the millstone stream. Sägistalsee. | Steiner G (1911): from Hofsten 1912 (citation)- p. 632 | 
| E2 | Melchsee, Melchsee-Frutt, Switzerland | 4118 
  map | 1911 or earlier |  |  |  | freshwater | Kleiner See zwischen Melchsee-Frutt und Engstlen-Alp (1980 m). | Hofsten N v (1911): from Hofsten 1912 (citation)- p. 632 | 
| F2 | Silsersee (Silser See, Lej da Segl, Lake of Sils), Switzerland | 4145 
  map | 1885 or earlier |  |  |  | freshwater | Silser See (1800 m). | Imhof O (1885): from Hofsten 1912 (citation)- p. 632 | 
| G2 | St. Moritzer See (Moritzersee), Saint Moritz (Sankt Moritz-Dorf, Sankt Murezzan), Switzerland | 4146 
  map | 1885 or earlier |  |  |  | freshwater | St. Moritzer See (1771 m). | Imhof O (1885): from Hofsten 1912 (citation)- p. 632 | 
| H2 | Lägh da Cavloc (Lej Cavloccio, Lago di Cavloccio), Switzerland | 4147 
  map | 1885 or earlier |  |  |  | freshwater | Lej Cavloccio (1910 m). | Imhof O (1885): from Hofsten 1912 (citation)- p. 633 | 
| I2 | St. Moritzer See (Moritzersee), Saint Moritz (Sankt Moritz-Dorf, Sankt Murezzan), Switzerland | 4146 
  map | 1911 or earlier |  |  |  | freshwater | St. Moritzer See, Ufer. | Hofsten N v (1911): from Hofsten 1912 (citation)- p. 633 | 
| J2 | Berninapass (Bernina Pass, Passo de Bernina), Switzerland | 4126 
  map | 1911 or earlier |  |  |  | freshwater | Teiche am Bernina-Pass (2400 bis 2450 m). | Hofsten N v (1911): from Hofsten 1912 (citation)- p. 633 | 
| K2 | Wellcome Dam, Kabete, Nairobi Area, Kenya | 3085 
  map | Oct 26, 1971 |  |  |  | freshwater | 1 specimen. | Young JO, Young BM (1976): 96 | 
| L2 | Wellcome Dam, Kabete, Nairobi Area, Kenya | 3085 
  map | Dec 27, 1971 |  |  |  | freshwater | 16 specimens. | Young JO, Young BM (1976): 96 | 
| M2 | Wellcome Dam, Kabete, Nairobi Area, Kenya | 3085 
  map | Jan 31, 1972 |  |  |  | freshwater | 9 specimens. | Young JO, Young BM (1976): 96 | 
| N2 | Wellcome Dam, Kabete, Nairobi Area, Kenya | 3085 
  map | Feb 29, 1972 |  |  |  | freshwater | 4 specimens. | Young JO, Young BM (1976): 96 | 
| O2 | Wellcome Dam, Kabete, Nairobi Area, Kenya | 3085 
  map | Mar 24, 1972 |  |  |  | freshwater | 1 specimen. | Young JO, Young BM (1976): 96 | 
| P2 | Wellcome Dam, Kabete, Nairobi Area, Kenya | 3085 
  map | May 29, 1972 |  |  |  | freshwater | 1 specimen. | Young JO, Young BM (1976): 96 | 
| Q2 | Wellcome Dam, Kabete, Nairobi Area, Kenya | 3085 
  map | Jun 22, 1972 |  |  |  | freshwater | 3 specimens. | Young JO, Young BM (1976): 96 | 
| R2 | Wellcome Dam, Kabete, Nairobi Area, Kenya | 3085 
  map | Jul 20, 1972 |  |  |  | freshwater | 7 specimens. | Young JO, Young BM (1976): 96 | 
| S2 | Wellcome Dam, Kabete, Nairobi Area, Kenya | 3085 
  map | Aug 7, 1972 |  |  |  | freshwater | 4 specimens. | Young JO, Young BM (1976): 96 | 
| T2 | Wellcome Dam, Kabete, Nairobi Area, Kenya | 3085 
  map | Sep 1, 1972 |  |  |  | freshwater | 4 specimens. | Young JO, Young BM (1976): 96 | 
| U2 | Mount Sleza  (Sobótka, Zobten), Poland | 4876 
  map | Apr 23, 1971 |  |  |  | freshwater | A pond on the slopes of Mount Sleza (Sobotka).  Sphagnum. S. occultum, Suomina turgida, S. constrictum, S. leucops, S. saliens, S. anatirostrum, M. tauricium, G. hermaphroditus, R. rostratum, P. stagnalis, M. microphtalma, M. obtusus. | Kolasa J (1971): 745 | 
| V2 | Laguna Dulce, Doñana National Park, Provincia de Huelva, Spain | 5845 
  map | 19 March 2008 |  | 0 m | swamp vegetation | freshwater | swamp vegetation on the N edge of the lake | Van Steenkiste N, Tessens B, Krznaric K, Artois T (2011): 8-9 | 
| W2 | Platweyers, Zonhoven, Limburg, Belgium | 5846 
  map | 06 May 2009 |  | 0 m | aquatic vegetation and leaf litter | freshwater | shallow marsh | Van Steenkiste N, Tessens B, Krznaric K, Artois T (2011): 8-10 | 
| X2 | Bunt, Hamme, East Flanders, Belgium. | 5847 
  map | 29 April 2009 |  | 0 m | organic material and aquatic vegetation | freshwater | shallow pool in a tidal freshwater marsh of the Scheldt | Van Steenkiste N, Tessens B, Krznaric K, Artois T (2011): 8-10 | 
| Y2 | Kalmthoutse Heide, Kalmthout, Antwerp, Belgium. | 5849 
  map | 25 April 2009 |  | 0 m | grasses and floating vegetation | freshwater | in a shallow part of the moorland pool “Putse Moer” | Van Steenkiste N, Tessens B, Krznaric K, Artois T (2011): 8-10 | 
| Z2 | Schwarzensee near Kleinsölk, Sölktäler Nature Park, Schladminger Tauern, Niedere Tauern, Styria, Austria. | 5850 
  map | 27 june 2009 |  | 0 m | aquatic vegetation and sedges | freshwater | pool filling a small depression in the coniferous forests north of the Schwarzensee | Van Steenkiste N, Tessens B, Krznaric K, Artois T (2011): 8-10 | 
| A3 | Border crossing with the Czech Republic near Finsterau, Bavarian Forest National Park, Bavaria, Germany. | 5851 
  map | 2 July 2009 |  | 0 m | aquatic vegetation | freshwater | Sphagnum bog along a mountain stream | Van Steenkiste N, Tessens B, Krznaric K, Artois T (2011): 8-10 | 
| B3 | Longskär, Raseborg, Uusimaa, Finland | 5852 
  map | 07 August 2008 |  | 0 m | Plants and moss | Freshwater |  | Van Steenkiste N, Tessens B, Krznaric K, Artois T (2011): 8-10 | 
| C3 | Mayem Lake, Bicholim, Goa, India. | 5853 
  map | 01 December 2008 |  | 0 m | rich submersed aquatic vegetation | freshwater | eastern inlet of the lake | Van Steenkiste N, Tessens B, Krznaric K, Artois T (2011): 8-10 | 
| D3 | Crabtree Slough, Wheeler National Wildlife Refuge, Decatur, Alabama, USA | 5854 
  map | 23 May 2009 |  | 0 m | Aquatic vegetation (Myriophyllum spicatum) | Freshwater |  | Van Steenkiste N, Tessens B, Krznaric K, Artois T (2011): 8-10 | 
| E3 | Finby, Finland | 5831 
  map | 1902 |  |  |  |  | Finby, Tässver, Sotargropen, Supf mit reicher Vegetation  (A.L. det) | Luther A (1963): 88 | 
| F3 | northern Idaho, USA | 3801 
  map | 1954 or earlier |  |  |  |  |  | Knapp SE (1954): from Luther 1963 (citation)- p. 90 | 
| G3 | Mountain Lake, Virginia, USA | 1609 
  map | 1939 or earlier |  |  |  |  |  | Ferguson FF, Stirewalt MA, Brown TD, Hayes WJ (1939): from Luther 1963 (citation)- p. 90 | 
| H3 | Kyoto (Kioto), Kyoto-fu, Japan | 3024 
  map | 1953 or earlier |  |  |  |  |  | Okugawa KI (1953): from Luther 1963 (citation)- p. 90 | 
| I3 | Otsu, Shiga Prefecture, Japan | 4755 
  map | 1953 or earlier |  |  |  |  |  | Okugawa KI (1953): from Luther 1963 (citation)- p. 90 | 
| J3 | Awaji-shima (Awaji, Awazi, Awajisima, Awazisima), Osaka-wan (Osaka Bay), Japan | 4461 
  map | 1953 or earlier |  |  |  |  |  | Okugawa KI (1953): from Luther 1963 (citation)- p. 90 | 
| K3 | Taiwan (Formosa) | 5923 
  map | 1953 or earlier |  |  |  |  |  | Okugawa KI (1953): from Luther 1963 (citation)- p. 90 | 
| L3 | Amurskaya Oblast (Amur Oblast, Amurgebiet), Russia | 5834 
  map | 1950 or earlier |  |  |  |  |  | Beklemischev VN (1950): from Luther 1963 (citation)- p. 90 | 
| M3 | Tomsk, Siberia, Russia | 2631 
  map | 1905 or earlier |  |  |  |  |  | Plotnikow W (1905): from Luther 1963 (citation)- p. 90 | 
| N3 | Saratov (Saretow, Saratow), Russia | 2638 
  map | 1919 or earlier |  |  |  |  |  | Nasonov NV (1921): from Luther 1963 (citation)- p. 90 | 
| O3 | Charkov (Kharkiv, Charkow, Khar'kov, Kharkow), Ukraine | 2444 
  map | 1903 or earlier |  |  |  |  |  | Markow M (1903): from Luther 1963 (citation)- p. 90 | 
| P3 | Glubokoye (Glubokoje), Russia | 5913 
  map | 1917 or earlier |  |  |  |  |  | Nasonov NV (1917): from Luther 1963 (citation)- p. 90 | 
| Q3 | Kazan' (Kasan), Russia | 2453 
  map | 1917 or earlier |  |  |  |  |  | Nasonov NV (1917): from Luther 1963 (citation)- p. 90 | 
| R3 | Moskva (Moskau, Moskwa, Moscow, Moscou), Russia | 2694 
  map | 1877 or earlier |  |  |  |  |  | Nasonov NV (1877): from Luther 1963 (citation)- p. 89 | 
| S3 | Kaluga (Kalouga, Kalyga, Kanyra), Russia | 5561 
  map | 1917 or earlier |  |  |  |  |  | Beklemischev VN (1917): from Luther 1963 (citation)- p. 89 | 
| T3 | Perm (Perm'), Russia | 5839 
  map | 1921 or earlier |  |  |  |  |  | Beklemischev VN (1921): from Luther 1963 (citation)- p. 89 | 
| U3 | Kirov (Wjatka, Киров, Khlynov , Kirow, Viatka, Vyatka, Vjatka), Russia | 5792 
  map | 1921 or earlier |  |  |  |  |  | Nasonov NV (1921): from Luther 1963 (citation)- p. 89 | 
| V3 | Saint Petersburg (Sankt-Peterburg, Petrogrado, Petrograd, Leningrad), Russia | 1708 
  map | 1917 or earlier |  |  |  |  |  | Nasonov NV (1917): from Luther 1963 (citation)- p. 89 | 
| W3 | Cluj-Napoca (Klausenburg, Kolozsvar, Clausemburgo), Transilvania (Transylvania, Siebenburgen, Siebenbürgen, Ardeal, Erdely) | 2471 
  map | 1882 or earlier |  |  |  |  | Paradi n. Graff 1882 | Graff Lvon (1882): from Luther 1963 (citation)- p. 89 | 
| X3 | Pancsova (Pancevo, Panciova, Pantschowa) in South Hungary (Ungarn), in the Vojvodina region, now part of Serbia | 1153 
  map | 1882 or earlier |  |  |  |  |  | Graff Lvon (1882): from Luther 1963 (citation)- p. 89 | 
| Y3 | Lundenburg in Mähren (Maehren),  Germany | 1152 
  map | 1882 or earlier |  |  |  |  |  | Graff Lvon (1882): from Luther 1963 (citation)- p. 89 | 
| Z3 | western and middle, Czech Republic (Böhmen, Bohmen, Bohemia) | 2640 
  map | 1880 or earlier |  |  |  |  |  | Vejdovsky F (1880): from Luther 1963 (citation)- p. 89 | 
| A4 | Sofiya (Sofia), Bulgaria | 5835 
  map | 1880 or earlier |  |  |  |  |  | Valkanov A (1934): from Luther 1963 (citation)- p. 89 | 
| B4 | Jezioro Harsz (Harsz See, Haarszen See, Haarschien See), Poland | 4820 
  map | 1959 or earlier |  |  |  |  |  | Chodorowski A (1959): from Luther 1963 (citation)- p. 89 | 
| C4 | Tatras, Poland | 5570 
  map | 1914 or earlier |  |  |  |  | bis 2163 m | Minkiewicz S (1914): from Luther 1963 (citation)- p. 89 | 
| D4 | Schleswig-Holstein, Germany | 5786 
  map | 1961 or earlier |  |  |  |  |  | Rixen J-U (1961): from Luther 1963 (citation)- p. 89 | 
| E4 | Amiens, France | 5927 
  map | 1890 or earlier |  |  |  |  |  | Hallez P (1890): from Luther 1963 (citation)- p. 89 | 
| F4 | Greifswald, Germany | 3485 
  map | 1851 or earlier |  |  |  |  |  | Schultze Max (1851): from Luther 1963 (citation)- p. 89 | 
| G4 | Axien, Germany | 5801 
  map | 1848 or earlier |  |  |  |  | Axien an d. Elbe. | Schmidt O (1848): from Luther 1963 (citation)- p. 89 | 
| H4 | Kurmark, Germany | 3468 
  map | 1942 or earlier |  |  |  |  |  | Weise M (1942): from Luther 1963 (citation)- p. 89 | 
| I4 | Lac d’ Annecy, France | 5930 
  map | 1907-1908 |  |  |  |  | (Le Roux 1907-1908) | Luther A (1963): 89 | 
| J4 | Montpellier, Languedoc-Roussillon, France | 2470 
  map | 1830 or earlier |  |  |  |  |  | Duges A (1830): from Luther 1963 (citation)- p. 89 | 
| K4 | Lac de Neuchatel (Neuenburger See, Neuenburg, Neuenburgersee, Neuchâtel), Switzerland | 2751 
  map | 1919 or earlier |  | 34-74 m |  |  |  | Monard A (1919): from Luther 1963 (citation)- p. 89 | 
| L4 | Bundesland Wien (Vienna), Austria | 5931 
  map | 1938 or earlier |  |  |  |  |  | Vornatscher L (1938): from Luther 1963 (citation)- p. 89 | 
| M4 | Hohe Tauern, Austria | 5569 
  map | 1925 or earlier |  |  |  |  | 2221 m ü.M. | Meixner J (1925): from Luther 1963 (citation)- p. 89 | 
| N4 | Lunz am See (Lunz), Austria | 2997 
  map | 1915 or earlier |  |  |  |  | fehlt in Lunz. | Meixner J (1915): from Luther 1963 (citation)- p. 89 | 
| O4 | Niedere Tauern, Austria | 5896 
  map | 1926 or earlier |  |  |  |  | Niedere Tauern 1153 m. | Steinböck O (1926): from Luther 1963 (citation)- p. 89 | 
| P4 | Lago Maggiore, Italy | 2624 
  map | 1949 or earlier |  |  |  |  |  | Steinböck O (1949): from Luther 1963 (citation)- p. 89 | 
| Q4 | Lago di Como (Larius Lacus, Lario), Lombardia, Italy | 2995 
  map | 1949 or earlier |  |  |  |  |  | Steinböck O (1949): from Luther 1963 (citation)- p. 89 | 
| R4 | Schwarzer See, Austria | 3000 
  map | 1949 or earlier |  |  |  |  | Schwarzsee 1792 m ü.M. | Steinböck O (1949): from Luther 1963 (citation)- p. 89 | 
| S4 | Kärntner Storschitz (Kärnten), Austria | 5823 
  map | 1955 or earlier |  |  |  |  |  | Reisinger E (1955): from Luther 1963 (citation)- p. 89 | 
| T4 | Italy (Italien) | 4028 
  map | 1952 or earlier |  |  |  |  | Zentral-Italien. | Papi F (1952): from Luther 1963 (citation)- p. 89 | 
| U4 | Dorpat (Tartu, Terbata, Tartto, Derpt, Yurev, Yur'yev),  Estonia | 2451 
  map | 1855 or earlier |  |  |  |  | Baltikum, Dorpat. | Braun M (1885): from Luther 1963 (citation)- p. 89 | 
| V4 | Jezioro Wigry (Wigrysee, Wigry See, Wigry lake), Poland | 4999 
  map | 1939 or earlier |  |  |  |  |  | Gieysztor M (1939): from Luther 1963 (citation)- p. 89 | 
| W4 | Warszawa (Warschau, Varsavia, Varshava, Warsaw, Varsovie), Poland | 2674 
  map | 1939 or earlier |  |  |  |  |  | Gieysztor M (1939): from Luther 1963 (citation)- p. 89 | 
| X4 | Podlaskie (Podlasie), Poland | 5803 
  map | 1939 or earlier |  |  |  |  |  | Gieysztor M (1939): from Luther 1963 (citation)- p. 89 | 
| Y4 | Rehion Podillya (Podol'ye, Podolia, Podolien, Podole), Ukraine | 3853 
  map | 1939 or earlier |  |  |  |  |  | Gieysztor M (1939): from Luther 1963 (citation)- p. 89 | 
| Z4 | Krakau (Krakow, Cracovia, Krakov, Cracovie, Cracow), Poland | 2654 
  map | 1858 or earlier |  |  |  |  |  | Schmidt O (1858): from Luther 1963 (citation)- p. 89 | 
| A5 | Greenland (Grönland) | 2726 
  map | 1879 or earlier |  |  |  |  |  | Levinsen GMR (1879): from Luther 1963 (citation)- p. 89 | 
| B5 | Greenland (Grönland) | 2726 
  map | 1927 or earlier |  |  |  |  |  | Reisinger E, Steinböck O (1927): from Luther 1963 (citation)- p. 89 | 
| C5 | Iceland (Island) | 596 
  map | 1948 or earlier |  |  |  |  |  | Steinböck O (1948): from Luther 1963 (citation)- p. 89 | 
| D5 | Edinburgh, Scotland, United Kingdom | 4034 
  map | 1882 or earlier |  |  |  |  |  | Graff Lvon (1882): from Luther 1963 (citation)- p. 89 | 
| E5 | Ireland (Irland) | 2668 
  map | 1936 or earlier |  |  |  |  |  | Southern R (1936): from Luther 1963 (citation)- p. 89 | 
| F5 | Tåkern, Sweden | 5761 
  map | 1920 or earlier |  |  |  |  |  | Hofsten N v (1920): from Luther 1963 (citation)- p. 89 | 
| G5 | Montpellier, Languedoc-Roussillon, France | 2470 
  map | 1830 or earlier |  |  |  |  |  | Duges A (1830): from Luther 1963 (citation)- p. 89 | 
| H5 | Amiens, France | 5927 
  map | 1890 or earlier |  |  |  |  |  | Hallez P (1890): from Luther 1963 (citation)- p. 89 | 
| I5 | Netherlands (Holland) | 2639 
  map | 1882 or earlier |  |  |  |  | Maitland n. Graff. | Graff Lvon (1882): from Luther 1963 (citation)- p. 89 | 
| J5 | northern Swedish mountains (nordschwedischen Hochgebirge), Sweden | 4039 
  map | 1916 or earlier |  |  |  |  | Nordschwed Hochgebirge | Hofsten N v (1917): from Luther 1963 (citation)- p. 89 | 
| K5 | Salojärvi, Finland | 5826 
  map | 1917 or earlier |  |  |  |  | Umgebung von Viborg = Viipuri:  Ventelä, Salojärvi u. Tervajärvi. | Nasonov NV (1917): from Luther 1963 (citation)- p. 88 | 
| L5 | Vendelä (Ventelä), Finland | 5885 
  map | 1917 or earlier |  |  |  |  | Umgebung von Viborg = Viipuri:  Ventelä, Salojärvi u. Tervajärvi. | Nasonov NV (1917): from Luther 1963 (citation)- p. 88 | 
| M5 | Viborg (Viipuri, Wiborg, Vipuri), Leningradskaya Oblast', Russia | 3027 
  map | 1917 or earlier |  |  |  |  | Umgebung von Viborg = Viipuri:  Ventelä, Salojärvi u. Tervajärvi. | Nasonov NV (1917): from Luther 1963 (citation)- p. 88 | 
| N5 | Tervajärvi, Finland | 5932 
  map | 1917 or earlier |  |  |  |  | Umgebung von Viborg = Viipuri:  Ventelä, Salojärvi u. Tervajärvi. | Nasonov NV (1917): from Luther 1963 (citation)- p. 88 | 
| O5 | Kilpisjarvi (Kilpisjärvi), Finland | 3031 
  map | Jul 4, 1950 |  |  |  |  | Sumpf zwischen Siilaskoski und der Landstrasse, fliessendes Wasser. | Luther A (1963): 88 | 
| P5 | Sirkka (Sikkola), Finland | 2981 
  map | Jun 23 - Jul 8, 1950 |  |  |  |  |  | Luther A (1963): 88 | 
| Q5 | Myllyoja, Finland | 2988 
  map | Jun 23 - Jul 8, 1950 |  |  |  |  | Graben nördlich von der Brücke | Luther A (1963): 88 | 
| R5 | Nilivaara, Finland | 2990 
  map | Jun 23 - Jul 8, 1950 |  |  |  |  | Wiesengräben am Ufer des Sotkajärvi, Boden mit Moos (Amblystegium) bedeckt | Luther A (1963): 88 | 
| S5 | Hautajärvi, Finland | 3003 
  map | Jun 23 - Jul 8, 1950 |  |  |  |  | kleiner Bach am Ufer, Schlamm, 11.8º C.  Alle Funde in dieser Provinz | Luther A (1963): 88 | 
| T5 | Kandalaksha (Kantalahti, Kandalakscha, Kandalaska, Kandalasksa), Russia | 5575 
  map | 1923 or earlier |  |  |  |  |  | Nasonov NV (1923): from Luther 1963 (citation)- p. 88 | 
| U5 | Kuopio, Finland | 5708 
  map | May 31 - Jun 1, 1956 |  |  |  |  | Moostümpel (A. Ruotsalainen, A.L.det). | Luther A (1963): 88 | 
| V5 | Urjala (Urdiala), Finland | 3005 
  map | May 31 - Jun 1, 1956 |  |  |  |  | Urjala, Raikko, Tümpel in altem Kalkbruch | Luther A (1963): 88 | 
| W5 | Kivijärvi, Finland | 5933 
  map | May 31 - Jun 1, 1956 |  |  |  |  | Überschwemmungstümpel am Ufer des Kivijärvi. | Luther A (1963): 88 | 
| X5 | Lammi, Finland | 5665 
  map | May 28, 1956 |  |  |  |  | Lammi, Biolog. Station, grasiger Tümpel auf Tonboden, 20º C. | Luther A (1963): 88 | 
| Y5 | Janakkala, Finland | 2983 
  map | May 23, 1958 |  |  |  |  | Janakkala, Puujoki, überschwemmte Ugferwiesen. | Luther A (1963): 88 | 
| Z5 | Puujoki, Finland | 2985 
  map | May 23, 1958 |  |  |  |  | Janakkala, Puujoki, überschwemmte Ugferwiesen. | Luther A (1963): 88 | 
| A6 | Vesijarven Kanava (Vaaksy, Vääksy, Vaaskyn), Finland | 2989 
  map | May 16, 1952 |  |  |  |  | Vääksy, See Päijänne, Ufervegetation und Ufertümpel. | Luther A (1963): 88 | 
| B6 | Päijänne, Finland | 5714 
  map | May 16, 1952 |  |  |  |  | Vääksy, See Päijänne, Ufervegetation und Ufertümpel. | Luther A (1963): 88 | 
| C6 | Lohjanjarvi (Lohjanjärvi, Lojo-See, Lojosjö, Lojosee), Finland | 2986 
  map | Jul-Sep 1901 |  |  |  |  | Lojo = Lohja:  Lojo-See, Ufervegetation und Ufertümpel an verschiedenen Stellen | Luther A (1963): 88 | 
| D6 | Hormajarvi (Hormajärvi), Finland | 3029 
  map | Aug 27, 1901 |  |  |  |  | Hormajärvi bei Humppila, zwischen Moos (Amblystegium), Ceratophyllum, Utricularia vulgaris, s.s.w. | Luther A (1963): 88 | 
| E6 | Humppila, Finland | 5934 
  map | Aug 27, 1901 |  |  |  |  | Hormajärvi bei Humppila, zwischen Moos (Amblystegium), Ceratophyllum, Utricularia vulgaris, s.s.w. | Luther A (1963): 88 | 
| F6 | Routio, Finland | 4801 
  map | 1963 or earlier |  |  |  |  | Waldsumpf bei Maksio; desgl. bei Routio u. bei Hiitis; Moor bei Wohls. | Luther A (1963): 88 | 
| G6 | Hiitis (Hiittinen, Hitis), Finland | 5832 
  map | 1963 or earlier |  |  |  |  | Waldsumpf bei Maksio; desgl. bei Routio u. bei Hiitis; Moor bei Wohls. | Luther A (1963): 88 | 
| H6 | Finby, Finland | 5831 
  map | 1902 |  |  |  |  | Finby, Tässver, Sotargropen, Sumpf mit reicher Vegetation. | Luther A (1963): 88 | 
| I6 | Hitis-Vänö-Archipel, Finland | 5895 
  map | 1963 or earlier |  |  |  |  | Hitis -- Väno-Schären (Hans Lutherr u. R. Grönblad, A.L. det.) | Luther A (1963): 88 | 
| J6 | Bromarv (Bromary, Bromarr, Bromarf), Finland | 3478 
  map | 1963 or earlier |  |  |  |  |  | Luther A (1963): 88 | 
| K6 | Taktom (Täcktom, Taktun), Finland | 3180 
  map | 1963 or earlier |  |  |  |  |  | Luther A (1963): 88 | 
| L6 | Tenala (Tenhola), Finland | 2974 
  map | 1963 or earlier |  |  |  |  | Tenala:  Moor bei >>Näset>> | Luther A (1963): 88 | 
| M6 | Skogbyträsket (Skogbyträsk, Skogby träsk), Finland | 5674 
  map | 1963 or earlier |  |  |  |  | Tenala:  Skogby träsk | Luther A (1963): 88 | 
| N6 | Dotterböle träsk (Dotterböleträsket), Raseborg, Finland | 5723 
  map | 1963 or earlier |  |  |  |  | Tenala: Dotterböle träsk | Luther A (1963): 88 | 
| O6 | Hylta Långträsk (Hylta Långsträsket), Finland | 5904 
  map | 1963 or earlier |  |  |  |  | Tenala:  Hylta Långträsk | Luther A (1963): 88 | 
| P6 | Pohja (Pojo), Finland | 2931 
  map | 1963 or earlier |  |  |  |  |  | Luther A (1963): 88 | 
| Q6 | Pohjanlahti (Pojo Wiek, Pojowiek, Pojoviken, Pohjanpitäjanlahti), Finland | 5465 
  map | 1963 or earlier |  |  |  |  |  | Luther A (1963): 88 | 
| R6 | Gumnäs, Pohja, Finland | 5935 
  map | 1963 or earlier |  |  |  |  | Einfahrt nach Gumnäs. | Luther A (1963): 88 | 
| S6 | Hanko (Hangö, Hango, Hangonkyla, Khanko) Penninsula, Finnish Bay, Finland | 3036 
  map | 1963 or earlier |  |  |  |  | Hangö, Graben mit fliessendem Wasser (Papi). | Luther A (1963): 88 | 
| T6 | Henriksberg, Finland | 3299 
  map | Aug 1902 |  |  |  |  | Tvärminne:  Henriksberg, Süsswassertümpel auf der Uferwiese; | Luther A (1963): 88 | 
| U6 | Röjkärret, Tvärminne, Finland | 5936 
  map | Aug 1902 |  |  |  |  | Tvärminne:  Röjkärret, Sumpflachen u. offene Teiche mit Myrica gale, Carex filiformis, Sparganium, Nymphaea etc. | Luther A (1963): 88 | 
| V6 | Bjorkskar (Björkskär), Finland | 2927 
  map | Apr 28, 1952 |  |  |  |  | Björkskär, Wegrandgraben mit Nymphaea | Luther A (1963): 88 | 
| W6 | Tvärminneträsket (Tvärminne träsk, Tvärminneträsk), Finland | 5907 
  map | Apr 28, 1952 |  |  |  |  |  | Luther A (1963): 88 | 
| X6 | Kallvassa near Tvärminne, Finland | 5781 
  map | Apr 28, 1952 |  |  |  |  | Kallvassa, kleine Tümpel mit Gras und totem Laub. | Luther A (1963): 88 | 
| Y6 | Zoologischen Station Tvärminne (Tvarminne), Hanko (Hango, Hangö), Finnish Bay, Finland | 1378 
  map | 1963 or earlier |  |  |  |  | Zoolog. Station, Moor Kasbergskärret | Luther A (1963): 88 | 
| Z6 | Langskar (Långskär), Finish Gulf, Finland | 878 
  map | 1963 or earlier |  |  |  |  |  | Luther A (1963): 88 | 
| A7 | Segelskär (Segelskar), Finland | 3012 
  map | 1963 or earlier |  |  |  |  |  | Luther A (1963): 88 | 
| B7 | Sundholmen, Finland | 3713 
  map | 1963 or earlier |  |  |  |  |  | Luther A (1963): 88 | 
| C7 | Brännskär (Brannskar, Brenskar, Brannskaret, Brandskar), Finland | 5757 
  map | 1963 or earlier |  |  |  |  |  | Luther A (1963): 88 | 
| D7 | Skarvkyrkan, Finland | 5623 
  map | 1963 or earlier |  |  |  |  |  | Luther A (1963): 88 | 
| E7 | Tenala (Tenhola), Finland | 2974 
  map | 1963 or earlier |  |  |  |  |  | Luther A (1963): 88 | 
| F7 | Lappohja (Lappvik), Finnish Bay (Finnischen Meersbusen), Finland | 887 
  map | 1963 or earlier |  |  |  |  | Lappvik, grosser und kleine Tümpel nahe der Landungsbrücke. | Luther A (1963): 88 | 
| G7 | Trollböle, Finland | 5937 
  map | 1963 or earlier |  |  |  |  | Ekenäs:  Trollböle Kvarnträsk | Luther A (1963): 88 | 
| H7 | Gulltjärn, Finland | 5724 
  map | 1963 or earlier |  |  |  |  |  | Luther A (1963): 88 | 
| I7 | Tuusula (Thusby, Tusby), Finland | 5617 
  map | 1963 or earlier |  |  |  |  |  | Luther A (1963): 88 | 
| J7 | Tuusulanjarvi (Tuusulanjärvi, Tusbyträsk, Tusby träsk), Finland | 3030 
  map | 1963 or earlier |  |  |  |  |  | Luther A (1963): 88 | 
| K7 | Grankulla (Kauniainen, Rauniainen), Finland | 5822 
  map | 1963 or earlier |  |  |  |  | Esbo:  Grankulla. | Luther A (1963): 88 | 
| L7 | Esbo (Espoo), Finland | 2975 
  map | 1963 or earlier |  |  |  |  | Esbo:  Grankulla. | Luther A (1963): 88 | 
| M7 | Haaga (Haga), Finland | 5765 
  map | 1963 or earlier |  |  |  |  | Tümpel u. Gräben bei Haga | Luther A (1963): 88 | 
| N7 | Vanda (Vantaa), Finland | 5732 
  map | 1963 or earlier |  |  |  |  | Mündung des Flusses Vanda | Luther A (1963): 88 | 
| O7 | Buttahatchee River, Greenwood Springs, Monroe County, Mississippi | 7823 
  map | Apr 2008 - Mar 2009 |  |  |  |  | ....."Buttahatchee River backwater location"...."Floodplain backwater pond" | Glasgow B (2021): 189, 195 | 
| P7 | Tenn-Tom Waterway, Smithville, Mississippi | 7833 
  map | May 2006 - Apr 2020 |  |  |  |  |  | Glasgow B (2021): 189, 195 | 
| Q7 | Lake Estates, Nettleton, Lee County, Mississippi | 7822 
  map | May 2006 - Apr 2020 |  |  |  |  |  | Glasgow B (2021): 189, 195 |