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| Scroll through list of sites as necessary. | site | collection date | depth | substrate | salin | locality kind | comments | reference |
|---|---|---|---|---|---|---|---|---|
| A | near Hwy 45 N, Stateline, Greene County/ Wayne County, Mississippi | May 2006 - Apr 2020 | Glasgow B (2021) 189, 196 | |||||
| B | Buttahatchee River, Greenwood Springs, Monroe County, Mississippi | Apr 2008 - Mar 2009 | ....."Buttahatchee River backwater location"...."Floodplain backwater pond" | Glasgow B (2021) 189, 196 | ||||
| C | Urbana, Illinois, USA | 1915-1917 | 3 feet | mud bottom | freshwater | ponds. taken in the latter part of April, 'from the protected side of a mud bottomed little lake. They came with the loose silt from a depth of three feetk, where the wate was fairly clear and containing little or no algae.' | Higley R (1918) 12-17, 43 | |
| D | Ann Arbor, Michigan, USA | 1949 or earlier | Ann Arbor region. | Kenk R (1949) from Luther (citation)- p. 94 | ||||
| E | Southeastern New York State, USA | prior to 1987 | freshwater | 2 specimens from stream surface sediments, 35 specimens from interstitial waters, and 5 specimens from springs. | Kolasa J, Strayer D, Bannon-O'Donnell E (1987) 127 | |||
| F | Hamshire County, Massachusetts, USA | 1988, 1989, 1990 | freshwater | temporary fresh waters. | Smith DG (1991) abstract | |||
| G | Franklin County, Massachusetts, USA | 1988, 1989, 1990 | freshwater | temporary fresh waters. | Smith DG (1991) abstract | |||
| H | Falmouth, Massachusetts, USA | between May and Aug 1907 | brackish | under rocks | Graff Lvon (1911) 351 | |||
| I | Lake Mangueira, Brazil | Jun 24, 2018 | Reyes J, Binow D, Vianna RT, Brusa S, Martins SE (2021) 27 | |||||
| J | Water channel, between Lake Mangueira and Lake Nicola, Brazil | Oct 9, 2018 | Reyes J, Binow D, Vianna RT, Brusa S, Martins SE (2021) 27 | |||||
| K | Campo do Siqueira (Colonia Mineira), Rio Barigui (Bariguy), in the State of Paraná, Brazil | Dec 1942 | Marcus Er (1944) 12 | |||||
| L | Secção de Ciências Naturais da Faculdade de Filosofia, in the center of the city of Pinheiros, São Paulo (San Paulo), Brazil | Dec 1942 | Marcus Er (1944) 12 | |||||
| M | suburb near the city of Pinheiros, São Paulo (San Paulo), Brazil | Dec 1942 | slimy stream | Marcus Er (1944) 12 | ||||
| N | Azores (Açores, Agores, Azoren, Western Islands), Portugal | 1927 or earlier | Azoren. | Steinböck O (1927) from Luther (citation)- p. 94 | ||||
| O | Arnoia River near O Viso, Spain | 1997-1999 | Limnetic | Noreña C, Damborenea C, Faubel A & Brusa F (2007) 1992, 1993 | ||||
| P | Ireland (Irland) | 1936 or earlier | Irland | Southern R (1936) from Luther (citation)- p. 94 | ||||
| Q | Ejde (Eidhi), Ostero, Faroes, lakes, sources, brooks, bog-pools, Faroe Islands | Jun 22-Jul 19, 1928 | freshwater | in lake north of Ejde (Ostero), in the moss of a source, and bog-pool southeast of Ejde, 100 and 150 m above sea level. Numerous specimens. | Steinböck O (1931) 22 | |||
| R | from the provinces of Avila, Cuenca, Guadalajara, Madrid and Segovia, Peninsula Iberica (Iberian Peninsula, Peninsula Hispanica), Spain | 1996 or earlier | freshwater | Iberian Peninsula. | Farias F, Gamo J, Norena-Janssen C (1996) abstract | |||
| S | Llyn Cwellyn (Quellan), Caernarvonshire (Caernarvon, Carnarvonshire, Arfon), North Wales, United Kingdom | Nov 1968 - Oct 1969 | littoral | freshwater | calcium poor lake (1.7 mg/l). | Young JO (1973) 204 | ||
| T | Mymbyr, Caernarvonshire (Caernarvon, Carnarvonshire, Arfon), North Wales, United Kingdom | Nov 1968 - Oct 1969 | littoral | freshwater | calcium poor lake (1.3 mg/l). | Young JO (1973) 204 | ||
| U | Idwall, Caernarvonshire (Caernarvon, Carnarvonshire, Arfon), North Wales, United Kingdom | Nov 1968 - Oct 1969 | littoral | freshwater | calcium poor lake (2.0 mg/l). | Young JO (1973) 204 | ||
| V | Llyn Ogwen, Caernarvonshire (Caernarvon, Carnarvonshire, Arfon), North Wales, United Kingdom | Nov 1968 - Oct 1969 | littoral | freshwater | calcium poor lake (0.4 mg/l). | Young JO (1973) 204 | ||
| W | Scotland (Schottland), United Kingdom | 1913 or earlier | freshwater | Graff Lvon (1913) 60 | ||||
| X | Ince Blundell, United Kingdom | 1965-1967 | freshwater | Grid Ref. 34324029. | Young JO (1970) 216 | |||
| Y | Newton Mere, Shropshire, United Kingdom | May 1966 - Feb 1967 | littoral | freshwater | calcium rich lake (7.2 mg/l). | Young JO (1973) 204 | ||
| Z | Blake Mere, Ellesmere, Shropshire, United Kingdom | May 1966 - Feb 1967 | littoral | freshwater | calcium rich lake (33.6 mg/l). | Young JO (1973) 204 | ||
| A1 | England, United Kingdom | 1913 or earlier | freshwater | Graff Lvon (1913) 60 | ||||
| B1 | France (Frankreich) | 1947 or earlier | Frankreich. | Hallez P (1890) and Beauchamp 1947 (citation); from Luther (citation)- p. 94 | ||||
| C1 | Belgium | 1913 or earlier | freshwater | Graff Lvon (1913) 60 | ||||
| D1 | Brandemeer Lake, Netherlands (Holland) | Jun 7-12, 1971 | littoral | Vegetation | freshwater | West shore. Vegetation, Phragmites, little detritus. 1-10 individuals per hour. | Young JO (1972) 61 | |
| E1 | Geneve (Genf, Ginevra, Geneva), Switzerland | 1897 or earlier | freshwater | Litoral und Tiefe (besonders unter Steinen des Ufers, bei Ouchy, Anieres, Corsier, Bellerive). Bassin des Botanischen Gartens in Geneve, Springbrunnen in Orbe. | Du Plessis G (1897) from Hofsten 1912 (citation)- p. 608-609 | |||
| F1 | Geneve (Genf, Ginevra, Geneva), Switzerland | 1902 or earlier | freshwater | Bassin des Botanischen Gartens in Geneve, Springbrunnen in Orbe. | Fuhrmann O (1900) from Hofsten 1912 (citation)- p. 609 | |||
| G1 | Corsier, Switzerland | 1897 or earlier | freshwater | Litoral und Tiefe (besonders unter Steinen des Ufers, bei Ouchy, Anieres, Corsier, Bellerive). Bassin des Botanischen Gartens in Geneve, Springbrunnen in Orbe. | Du Plessis G (1897) from Hofsten 1912 (citation)- p. 608-609 | |||
| H1 | Anieres, Switzerland | 1897 or earlier | freshwater | Litoral und Tiefe (besonders unter Steinen des Ufers, bei Ouchy, Anieres, Corsier, Bellerive). Bassin des Botanischen Gartens in Geneve, Springbrunnen in Orbe. | Du Plessis G (1897) from Hofsten 1912 (citation)- p. 608-609 | |||
| I1 | Lake Geneva (Genfer, Genfersees, Ginevra, Geneve, Leman, Lac Léman, Lemano), Switzerland | 1876 or earlier | 30-60 m | freshwater | (bestimmt von Du Plessis.) | Forel FA (1876) from Hofsten 1912 (citation)- p. 608 | ||
| J1 | Lake Geneva (Genfer, Genfersees, Ginevra, Geneve, Leman, Lac Léman, Lemano), Switzerland | 1877 or earlier | 30 m | freshwater | Du Plessis G (1877) from Hofsten 1912 (citation)- p. 608 and Du Plessis 1878 (citation) | |||
| K1 | Lake Geneva (Genfer, Genfersees, Ginevra, Geneve, Leman, Lac Léman, Lemano), Switzerland | 1884 or earlier | 0-50 m | freshwater | Ufer bis 50 m. Sümpfe am Ufer. | Du Plessis G (1884) from Hofsten 1912 (citation)- p. 608 | ||
| L1 | Lake Geneva (Genfer, Genfersees, Ginevra, Geneve, Leman, Lac Léman, Lemano), Switzerland | 1885 or earlier | 0-60 m | freshwater | Sümpfe am Ufer. | Du Plessis G (1885) from Hofsten 1912 (citation)- p. 608 | ||
| M1 | Lake Geneva (Genfer, Genfersees, Ginevra, Geneve, Leman, Lac Léman, Lemano), Switzerland | 1913 or earlier | 80 m | freshwater | Graff Lvon (1913) 60 | |||
| N1 | Lake Geneva (Genfer, Genfersees, Ginevra, Geneve, Leman, Lac Léman, Lemano), Switzerland | 1885 or earlier | 30-60 m | freshwater | Litoral und Tiefe (30-60). | Forel FA (1885) from Hofsten 1912 (citation)- p. 608 and Forel 1886 (citation)- (nach Du Plessis) | ||
| O1 | Lake Geneva (Genfer, Genfersees, Ginevra, Geneve, Leman, Lac Léman, Lemano), Switzerland | 1897 or earlier | freshwater | Litoral und Tiefe (besonders unter Steinen des Ufers, bei Ouchy, Anieres, Corsier, Bellerive). Bassin des Botanischen Gartens in Geneve, Springbrunnen in Orbe. | Du Plessis G (1897) from Hofsten 1912 (citation)- p. 608-609 | |||
| P1 | Cantons de Vaud (Kanton Waadt), Switzerland | 1877 or earlier | freshwater | Sümpfe am Ufer des Sees [Léman]. In Bächen (unter Steinen) und in Springbrunnen (im Canton de Vaud). | Du Plessis G (1877) from Hofsten 1912 (citation)- p. 608 and Du Plessis 1878 (citation) | |||
| Q1 | Cantons de Vaud (Kanton Waadt), Switzerland | 1885 or earlier | freshwater | Sümpfe am Ufer. Bäche und Sümpfe im Canton de Vaud. | Du Plessis G (1885) from Hofsten 1912 (citation)- p. 608 | |||
| R1 | Ouchy, Switzerland | 1897 or earlier | freshwater | Litoral und Tiefe (besonders unter Steinen des Ufers, bei Ouchy, Anieres, Corsier, Bellerive). Bassin des Botanischen Gartens in Geneve, Springbrunnen in Orbe. | Du Plessis G (1897) from Hofsten 1912 (citation)- p. 608-609 | |||
| S1 | Lac de Neuchatel (Neuenburger See, Neuenburg, Neuenburgersee, Neuchâtel), Switzerland | 1919 or earlier | 120 m | Monard A (1919) from Luther (citation)- p. 94 | ||||
| T1 | Saint Blaise, Switzerland | 1906 or earlier | freshwater | Loclat (Lac de St-Blaise) bei Neuchatel. | Thiébaud M (1906) from Hofsten 1912 (citation)- p. 609 | |||
| U1 | Bellerive, Switzerland | 1897 or earlier | freshwater | Litoral und Tiefe (besonders unter Steinen des Ufers, bei Ouchy, Anieres, Corsier, Bellerive). Bassin des Botanischen Gartens in Geneve, Springbrunnen in Orbe. | Du Plessis G (1897) from Hofsten 1912 (citation)- p. 608-609 | |||
| V1 | Augustinerholzes near Basel, Switzerland | Dec prior to 1894 | freshwater | rare, one sexually mature specimen. | Fuhrmann O (1894) 218-222, 237 | |||
| W1 | Augustinerholzes near Basel, Switzerland | 1894 or earlier | freshwater | Umgebung von Basel (Bach des Augustinerholzes). | Fuhrmann O (1894) from Hofsten 1912 (citation)- p. 609 | |||
| X1 | Aschaffenburg (Auscheffenburg), Germany | prior to 1882 | Graff Lvon (1882) 267 | |||||
| Y1 | Schleswig-Holstein, Germany | 1961 or earlier | In verschiedenen Biotopen von April bis November. Sowohl im sandigen Eulitoral als in Buchenwaldtümpeln, in Sphagnum-Bulten in Mooren und im Küstengrundwasser. Fehlt lediglich im Phytal. Meistens nur in wenigen Exemplaren. | Rixen J-U (1961) 484 | ||||
| Z1 | Plöner Lake (Grosser Ploner See, Ploner, Plönersee, Plöner See, Great Lake Plön), Germany | 1894 or earlier | Bereits von Zacharias (1894) im Grossen Plöner See nachgewiesen. | Zacharias O (1894) from Rixen 1961 (citation)- p. 484 | ||||
| A2 | Austria (Österreich) | 1913 or earlier | freshwater | Graff Lvon (1913) 60 | ||||
| B2 | Greifswald, Germany | 1851 or earlier | default type | kommt bei Greifswald in einem grossen Teich mit Torfgrund am Wege nach dem Dorfe Wackerow, doch selten, vor. Anfang April fand ich junge, noch keine Andeutung der Geschlechtstheile enthaltende Exemplare. | Schultze Max (1851) 61 | |||
| C2 | Germany (Deutschland) | 1913 or earlier | freshwater | (auch Riessengebirgsseen at 1168 m altitude) | Graff Lvon (1913) 60 | |||
| D2 | Czechoslovakia (Tschechoslovakei) | 1926 or earlier | Tschechoslovakei. | Graff Lvon (1882) and Sekera 1926 (citation); from Luther (citation)- p. 94 | ||||
| E2 | Frankfurt (Frankfort on the Oder), Germany | prior to 1882 | Graff Lvon (1882) 267 | |||||
| F2 | Steiermark (Styria, Styrie), Austria | 1923 or earlier | freshwater | Steiermarks. | Steinböck O (1923) 233 | |||
| G2 | Sweden (Schweden) | 1913 or earlier | freshwater | Graff Lvon (1913) 60 | ||||
| H2 | Mount Sleza (Sobótka, Zobten), Poland | 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 | |||
| I2 | Hungary (Ungarn) | 1913 or earlier | freshwater | Graff Lvon (1913) 60 | ||||
| J2 | Baltic Sea (Ostersjon, Ost-See, Ostsee, Laanemeri, Itameri, Baltyckie Morze, Baltiyskoye More, Baltijos Jura, Baltijas Jura, Balti Meri, Ostersoen, Balticum) | 1933 or earlier | Balticum (Braun 1885, Pagast & Froese). | Braun M (1885) and Pagast & Froese 1933 (citation); from Luther (citation)- p. 94 | ||||
| K2 | Lake Ohrid (Ohrida See, Ohris, Ohrit, Lychnitis, Ochrida, Ohridsko, Ochridasee, Okhridsko, Akhris), Albania Macedonia border | 1939 or earlier | Jugoslavien. | An der Lan H (1939) from Luther (citation)- p. 94 | ||||
| L2 | Bulgaria (Bulgarien) | 1927 or earlier | Bulgarien. | Steinböck O (1927) from Luther (citation)- p. 94 | ||||
| M2 | Kola Peninsula (Halbinsel Kola, Alexandrowsk, Kandalakscha, Kantalahti, Alexandrovsk), Russia | 1932 or earlier | freshwater, brackish | damp earth, moss. | Steinböck O (1932) 323 | |||
| N2 | between Eldoret (Olderet, Olteret) and Nakuru, Kenya | Apr 22, 1972 | freshwater | Pond, at 3000 m altitude, 88 km fro Nakuru towards Eldoret; 300 x 100 m in size, and choked with water plants. 1 specimen. | Young JO, Young BM (1976) 95 | |||
| O2 | Wellcome Dam, Kabete, Nairobi Area, Kenya | Jul 20, 1972 | freshwater | Wellcome Dam, Kabete, Nairobi. 1 specimen. | Young JO, Young BM (1976) 95 | |||
| P2 | Kenya | 1976 or earlier | freshwater | Young JO, Young BM (1976) ; from Young 1976 (citation)- 421 | ||||
| Q2 | Nairobi Dam, Nairobi Area, Kenya | Nov 10, 1971 | freshwater | Nairobi Dam at side of Aerodrome Road in Nairobi; mud and vegetation. 1 specimen. | Young JO, Young BM (1976) 95 | |||
| R2 | Thika Road, Kenya | Nov 10, 1971 | freshwater | Small, marshy, un-named stream crossing under Nairobi to Thika road at the Safari Park Hotel; 0.3 m wide and 0.15 m deep; choked with vegetation. 4 specimens. | Young JO, Young BM (1976) 95 | |||
| S2 | Saratov (Saretow, Saratow), Russia | 1913 or earlier | freshwater | Graff Lvon (1913) 60 | ||||
| T2 | Southern Urals | 2014 or earlier | lake | Rogozin AG (2014) abstract; and Rogozin 2015 (citation)- abstract | ||||
| U2 | Tashkent, Uzbekistan | 1913 or earlier | freshwater | Graff Lvon (1913) 60 | ||||
| V2 | Tomsk, Siberia, Russia | 1921 or earlier | Beklemischev VN (1921) from Luther (citation)- p. 94 | |||||
| W2 | Shaoguan City, Guangdong Province, China | 2007 or earlier | Peng S, Liu XM, Wang AT, Qiu HL (2007) | |||||
| X2 | Japan (Nippon, Yaponiya, Nihon, Japon, Giappone) | 1953 or earlier | Okugawa KI (1953) from Luther (citation)- p. 94 | |||||