Overlapping markers can be separated by clicking on them.
Hovering the cursor over a marker will show the site's name.
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 |
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![]() | Outer Hebrides (Western Isles, Western Island, Long Island), Scotland, United Kingdom | 1966 or earlier | .... scarce in the Western Islands and the north of Scotland and it may be excluded from harsher habitats as a result of competition for food with P. nigra... | Reynoldson TB (1966) from Ball & Reynoldson 1981 | ||||
![]() | British Isles (Brittische Inseln), United Kingdom & Ireland | 1958 or earlier | Süsswasserseen in Süd-Schweden, und den Brittischen Inseln. | Reynoldson TB (1958) 134; from Luther 1961 - p. 24 | ||||
![]() | Morra Lake, Netherlands (Holland) | Jun 7-12, 1971 | littoral | bricks | freshwater | East shore. Bricks. Vegetation, Phragmites, little detritus. 1-10 individuals per hour. | Young JO (1972) 61 | |
![]() | Morra Lake, Netherlands (Holland) | Jun 7-12, 1971 | littoral | vegetation | freshwater | East shore. Bricks. Vegetation, Phragmites, little detritus. 11-30 individuals per hour. | Young JO (1972) 61 | |
![]() | Oorden Lake (De Oorden), Netherlands (Holland) | Jun 7-12, 1971 | littoral | broken concrete | freshwater | South-east shore. Broken concrete. Vegetation, Phragmites, a little Typha, little detritus. 11-31 individuals per hour. | Young JO (1972) 61 | |
![]() | Oorden Lake (De Oorden), Netherlands (Holland) | Jun 7-12, 1971 | littoral | vegetation | freshwater | South-east shore. Broken concrete. Vegetation, Phragmites, a little Typha, little detritus. 11-31 individuals per hour. | Young JO (1972) 61 | |
![]() | Fluessen Lake (De Fluesen, De Fluessen, Fluessenmeer, Fljusen), Netherlands (Holland) | Jun 7-12, 1971 | littoral | vegetation | freshwater | West shore. Broken bricks. Vegetation, Phragmites, Typha, little detritus. 101-300 individuals per hour. | Young JO (1972) 61 | |
![]() | Fluessen Lake (De Fluesen, De Fluessen, Fluessenmeer, Fljusen), Netherlands (Holland) | Jun 7-12, 1971 | littoral | broken bricks | freshwater | West shore. Broken bricks. Vegetation, Phragmites, Typha, little detritus. 101-300 individuals per hour. | Young JO (1972) 61 | |
![]() | Slotermeer Lake, Netherlands (Holland) | Jun 7-12, 1971 | littoral | bricks, rough stones | freshwater | North shore. Bricks, rough stones. Vegetation, Phragmites, little detritus. 1-10 individuals per hour. | Young JO (1972) 61 | |
![]() | Brandemeer Lake, Netherlands (Holland) | Jun 7-12, 1971 | littoral | Vegetation | freshwater | West shore. Vegetation, Phragmites, little detritus. 31-100 individuals per hour. | Young JO (1972) 61 | |
![]() | Koevorde (Koevordermeer) Lake, Netherlands | Jun 7-12, 1971 | littoral | bricks | freshwater | North shore. Bricks. Vegetation, Phragmites, little detritus. 1-10 individuals per hour. | Young JO (1972) 61 | |
![]() | Koevorde (Koevordermeer) Lake, Netherlands | Jun 7-12, 1971 | littoral | vegetation | freshwater | North shore. Bricks. Vegetation, Phragmites, little detritus. 1-10 individuals per hour. | Young JO (1972) 61 | |
![]() | Langweerderwielen (Langweerder Wielen) Lake, Netherlands (Holland) | Jun 7-12, 1971 | littoral | vegetation | freshwater | South-east shore. Vegetation, Phragmites, a little Typha, little detritus. 1-10 individuals per hour. | Young JO (1972) 61 | |
![]() | Sneekermeer Lake, Netherlands (Holland) | Jun 7-12, 1971 | littoral | broken bricks | freshwater | West shore. Broken bricks. Vegetation, Phragmites, little Scirpus, little detritus. 31-100 individuals per hour. | Young JO (1972) 61 | |
![]() | Sneekermeer Lake, Netherlands (Holland) | Jun 7-12, 1971 | littoral | vegetation | freshwater | West shore. Broken bricks. Vegetation, Phragmites, little Scirpus, little detritus. 31-100 individuals per hour. | Young JO (1972) 61 | |
![]() | Tjeukemeer Lake, Netherlands (Holland) | Jun 7-12, 1971 | littoral | vegetation | freshwater | South shore. Broken bricks. Vegetation, Phragmites, medium detritus. 1-10 individuals per hour. | Young JO (1972) 61 | |
![]() | Pikmeer Lake, Netherlands (Holland) | Jun 7-12, 1971 | littoral | rounded stones | freshwater | South shore. Rounded stones. Vegetation, Phragmites, little detritus. 31-100 individuals per hour. | Young JO (1972) 61 | |
![]() | Pikmeer Lake, Netherlands (Holland) | Jun 7-12, 1971 | littoral | vegetation | freshwater | South shore. Rounded stones. Vegetation, Phragmites, little detritus. 31-100 individuals per hour. | Young JO (1972) 61 | |
![]() | Wijde of Peanster Ee, Netherlands (Holland) | Jun 7-12, 1971 | littoral | vegetation | freshwater | North shore. Vegetation, Phragmites, little Typha, little detritus. 31-100 individuals per hour. | Young JO (1972) 61 | |
![]() | Prinsenhof Lake, Netherlands | Jun 7-12, 1971 | littoral | vegetation | freshwater | South-east shore. Bricks. Vegetation, Phragmites, little detritus. 1-10 individuals per hour. | Young JO (1972) 61 | |
![]() | Wijde Ee Lake, De Veenhoop, Netherlands (Holland) | Jun 7-12, 1971 | littoral | vegetation | freshwater | North shore. Vegetation, Typha, little Scirpus, thick detritus. 101-300 individuals per hour. | Young JO (1972) 61 | |
![]() | Bergumermeer Lake, Netherlands (Holland) | Jun 7-12, 1971 | littoral | Stony | freshwater | West shore, stones (bricks). Vegetation, Phragmites, little detritus. 1-10 individuals per hour. | Young JO (1972) 61 | |
![]() | Bergumermeer Lake, Netherlands (Holland) | Jun 7-12, 1971 | littoral | Vegetation | freshwater | West shore, stones (bricks). Vegetation, Phragmites, little detritus. 1-10 individuals per hour. | Young JO (1972) 61 | |
![]() | De Leijen Lake, Netherlands (Holland) | Jun 7-12, 1971 | littoral | Bricks, rough stones | freshwater | North shore. Bricks, rough stones. Vegetation, Phragmites, little detritus. 1-10 individuals per hour. | Young JO (1972) 61 | |
![]() | De Leijen Lake, Netherlands (Holland) | Jun 7-12, 1971 | littoral | Vegetation | freshwater | North shore. Bricks, rough stones. Vegetation, Phragmites, little detritus. 31-100 individuals per hour. | Young JO (1972) 61 | |
![]() | Kirchwerder-Fünfhausen, Hamburg, Germany | Mar 19, 2024 | submerged vegetation and litter from shallow irrigation ditch in a moist meadow in suburban farming area | Diez YL, Schmidt-Rhaesa A (2024) 281 | ||||
![]() | Ohrid (Akhris, Okhri), Macedonia | 1935-1937 | freshwater | observed in the Ohrid region in several streams (but never Lake Ohrid); in the creek Kulincivljik na Sinoru at the town of Ohrid, also in Bej-Bunar, and at Studenciste. | Kenk R (1978) 10 | |||
![]() | Saarenpää, Finland | 1961 or earlier | Saarenpää , Quelle am Rand des Ristisuo. (A. L.). | Luther A (1961) 22 | ||||
![]() | Kirkkojärvi (järvi), Finland | 1906 or earlier | Seen Kirkkojärvi u. Kolosi. | Levander KM (1906) 74; from Luther 1961 - p. 22, 42 | ||||
![]() | Brännskär (Brannskar, Brenskar, Brannskaret, Brandskar), Finland | 1961 or earlier | Felstümpel. | Luther A (1961) 22 | ||||
![]() | Trollö, Finland | 1961 or earlier | Ab. [map reference area, p. 42] Hitis, Rosala, Trollö träsk, braunes Wasser (Hans Luther, A. L. det.). | Luther A (1961) 22, 42 | ||||
![]() | Rosala, Finland | 1961 or earlier | Ab. [map reference area, p. 42] Hitis, Rosala, Trollö träsk, braunes Wasser (Hans Luther, A. L. det.). | Luther A (1961) 22, 42 | ||||
![]() | Hitis (Hiittinen, Hiitinen), Finland | 1901-1902 | Ab. [map reference area, p. 42] Hiitis, hochgelegener Waldsumpf, Sparganium, Carices Polytrichu, Sphagnum. | Luther A (1961) 22, 42 | ||||
![]() | Hitis (Hiittinen, Hiitinen), Finland | 1961 or earlier | Ab. [map reference area, p. 42] Hitis, Rosala, Trollö träsk, braunes Wasser (Hans Luther, A. L. det.). | Luther A (1961) 22, 42 | ||||
![]() | Finnish Bay (Finnischen Meersbusen), Finland | 1961 or earlier | Im Finnischen Meerbusen häufig in der Uferzone - unter Steinen und an Pflanzen, z. B. Fucus. | Luther A (1961) from Ax 2008 - 298 | ||||
![]() | Tvärminne (Tvarminne), Finnish Bay, Finland | 1958 or earlier | default type | Bisher ist P. hepta innerhalb Ostfennoskandiens bloss am Ufer des Finnischen Meerbusens bei Tvärminne gefunden worden. | Reynoldson TB (1958) 134; from Luther 1961 - p. 24 | |||
![]() | Tvärminne (Tvarminne), Finnish Bay, Finland | 1961 or earlier | Felstümpel. | Luther A (1961) 22 | ||||
![]() | Skogbyträsket (Skogbyträsk, Skogby träsk), Finland | 1961 or earlier | N. [map reference area, p. 42] ; | Luther A (1961) 22, 42 | ||||
![]() | Tenala (Tenhola), Finland | 1961 or earlier | Tenala. | Luther A (1961) 22 | ||||
![]() | Tenala (Tenhola), Finland | 1961 or earlier | N. [map reference area, p. 42] ; | Luther A (1961) 22, 42 | ||||
![]() | Spjutsböle, Finland | 1961 or earlier | Ab. [map reference area, p. 42] ; Spjutsböle träsk. | Luther A (1961) 22, 42 | ||||
![]() | Grabbskog, Finland | 1961 or earlier | Grabbskog Lillträsk. | Luther A (1961) 22 | ||||
![]() | Långträsk (Langtrask, Långsträsket), Finland | 1961 or earlier | Hytla Långträsk. | Luther A (1961) 22 | ||||
![]() | Långträsk (Langtrask, Långsträsket), Finland | 1961 or earlier | N. [map reference area, p. 42] ; | Luther A (1961) 22, 42 | ||||
![]() | Bytrask (Byträsk), Finland | 1961 or earlier | N. [map reference area, p. 42] ; | Luther A (1961) 22, 42 | ||||
![]() | Ekenas (Ekenäs, Tammisaari, Tammisari), Finland | 1961 or earlier | Felstümpel. | Luther A (1961) 22 | ||||
![]() | Ekenas (Ekenäs, Tammisaari, Tammisari), Finland | 1961 or earlier | N. [map reference area, p. 42] ; | Luther A (1961) 22, 42 | ||||
![]() | Gullö (Gulé Landet ), Finland | 1961 or earlier | N. [map reference area, p. 42] ; | Luther A (1961) 22, 42 | ||||
![]() | Pohja (Pojo), Finland | 1961 or earlier | Pojo | Luther A (1961) 22 | ||||
![]() | Gunnarsö, Finland | 1901-1902 | Ab. [map reference area, p. 42] Bach bei Gunnars, an Pflanzen; | Luther A (1961) 22, 42 | ||||
![]() | Urjala (Urdiala), Finland | 1961 or earlier | Urjala. (A. L.). | Luther A (1961) 22 | ||||
![]() | Kiikala, Finland | 1906 or earlier | Kiikala, Quelle Kuniniaanlähde. | Levander KM (1906) from Luther 1961 - p. 22 | ||||
![]() | Johannislund (Johanneslund), Finland | 1906 or earlier | See bei Johanneslund. | Levander KM (1906) from Luther 1961 - p. 22 | ||||
![]() | Craiova, Romania | 2018 or earlier | Collections from "The Botanical Garden, The Romanescu Park and Balta Craiovitei area" | Felicia BA (2018) abstract | ||||
![]() | Algsjo (Elgo, Olishe Landet, Elgsjo, Elgö), Finland | 1961 or earlier | Elgö Nästräsk, besonders häufig im Abflussgraben. | Luther A (1961) 22 | ||||
![]() | Algsjo (Elgo, Olishe Landet, Elgsjo, Elgö), Finland | 1961 or earlier | N. [map reference area, p. 42] ; | Luther A (1961) 22, 42 | ||||
![]() | Lohjanjarvi (Lohjanjärvi, Lojo-See, Lojosjö, Lojosee), Finland | 1901-1902 | Ab. [map reference area, p. 42] Lojo = Lohja: Lojosee, Leesaari, Ufer des "Storfjärden" unter Steinen; | Luther A (1961) 22, 42 | ||||
![]() | Lillträsk, Finland | 1961 or earlier | Grabbskog Lillträsk. | Luther A (1961) 22 | ||||
![]() | Grundträsk, Finland | 1961 or earlier | N. [map reference area, p. 42]; | Luther A (1961) 22, 42 | ||||
![]() | Vitträsk, Finland | 1906 or earlier | N. [map reference area, p. 42] ; | Levander KM (1906) 74; from Luther 1961 - p. 22, 44 | ||||
![]() | Vitträsk, Finland | 1961 or earlier | Ab. [map reference area, p. 42]; Sodra Vitträsk. | Luther A (1961) 22, 42 | ||||
![]() | Storträsk, Finland | 1961 or earlier | N. [map reference area, p. 42] ; | Luther A (1961) 22, 42 | ||||
![]() | Storträsk, Finland | 1961 or earlier | N. [map reference area, p. 42] ; Graben zwischen diesem u. Ekträsk | Luther A (1961) 22, 42 | ||||
![]() | Kirkkonummi (Kyrkslätt), Finland | 1906 or earlier | N. [map reference area, p. 42] ; | Levander KM (1906) 74; from Luther 1961 - p. 22, 42 | ||||
![]() | Pentala (Stor Pentala, Stura Pentala, Pemalo), Finland | 1900 or earlier | N. [map reference area, p. 42]; Stor Pentala träsk | Levander KW (1900) 9; from Luther 1961 - p. 22, 42 | ||||
![]() | Bodomträsk (Bodom träsk), Finland | 1961 or earlier | N. [map reference area, p. 42]; Bach aus Bodom träsk. (A. L.) | Luther A (1961) 22, 42 | ||||
![]() | Esbo (Espoo), Finland | 1961 or earlier | Esbo, Klappträsk, Tiere gelblich. | Luther A (1961) 22 | ||||
![]() | Esbo (Espoo), Finland | 1961 or earlier | N. [map reference area, p. 42]; Esbo. | Luther A (1961) 22, 42 | ||||
![]() | Janakkala, Finland | 1961 or earlier | (A. L.). | Luther A (1961) 22 | ||||
![]() | Klappträsk (Lippajärvi), Finland | 1961 or earlier | Esbo, Klappträsk, Tiere gelblich. | Luther A (1961) 22 | ||||
![]() | Längelmäki, Finland | 1958 or earlier | Ta. [Luther map area, p. 42]. Längelmäki, Rasinjärvi, Kuhmoinen, Kankaantakunen. | Reynoldson TB (1958) from Luther 1961 - p. 22 | ||||
![]() | Helsinki (Helsingkiranta, Helsinginkyla, Helsinge, Helsingfors, Khel’sinki, Yelsinki), Finland | 1899 or earlier | N. [map reference area, p. 42]; Helsinge. | Spoof AR (1889) 9; from Luther 1961 - p. 22, 42 | ||||
![]() | Tuusulanjoki, Finland | 1961 or earlier | Tuusulanjoki (U. Virkkunen). | Luther A (1961) 22 | ||||
![]() | Lammi, Finland | 1961 or earlier | Lammi. (A. L.). | Luther A (1961) 22 | ||||
![]() | Tuusula (Thusby, Tusby), Finland | 1961 or earlier | Tuusula, Tuusulanjärvi = Tusby träsk (A. L.) | Luther A (1961) 22 | ||||
![]() | Tuusulanjarvi (Tuusulanjärvi, Tusbyträsk, Tusby träsk), Finland | 1961 or earlier | Tuusula, Tuusulanjärvi = Tusby träsk (A. L.) | Luther A (1961) 22 | ||||
![]() | Kankaantakunen, Finland | 1958 or earlier | Ta. [Luther map area, p. 42]. Längelmäki, Rasinjärvi, Kuhmoinen, Kankaantakunen. | Reynoldson TB (1958) from Luther 1961 - p. 22 | ||||
![]() | Kuhmoinen, Finland | 1958 or earlier | Ta. [Luther map area, p. 42]. Längelmäki, Rasinjärvi, Kuhmoinen, Kankaantakunen. | Reynoldson TB (1958) from Luther 1961 - p. 22 | ||||
![]() | Ruuhijärvi, Finland | 1961 or earlier | N. [map reference area, p. 42]; Ruuhijärvi. | Luther A (1961) 22, 42 | ||||
![]() | Kymijoki (Kymmene älv, Kioumen River, Kymenjoki, Kymi, Kyminjoki, Kymu joki, Kyumin-yoki), Finland | 1961 or earlier | Ka. [map reference area, p. 42] ; | Luther A (1961) 22, 42 | ||||
![]() | Kyminlinna, Finland | 1961 or earlier | Ka. [map reference area, p. 42] ; | Luther A (1961) 22, 42 | ||||
![]() | Kymi, Finland | 1961 or earlier | Ka. [map reference area, p. 42] ; Kymi. | Luther A (1961) 22, 42 | ||||
![]() | Ostrav Bol’shoy Berëzovyy (Bierke,Biorko Island,Björkö, Koivusaari, Koivisto), Russia | 1961 or earlier | Ik. [map reference area, p. 42] ; Koivisto. (A. J. S. ) | Luther A (1961) 22, 42 | ||||
![]() | Matrosovka (Матросовка, Sommeenjoki, Sommenjoki , Reka Sommen-Yoki), Russia | 1961 or earlier | Ka. [map reference area, p. 42] ; Ala Sommeenjoki (A. J. S. ) | Luther A (1961) 22, 42 | ||||
![]() | Viborg (Viipuri, Wiborg, Vipuri), Leningradskaya Oblast', Russia | 1961 or earlier | Ka. [map reference area, p. 42] ; Virborg = Viipuri, Monrepos, Tümpel u. Gräben | Luther A (1961) 22, 42 | ||||
![]() | Imatra, Finland | 1961 or earlier | Sa. Imatra, Strom Vuuoksi bei Siitola (K. M. L., A.L. det.). | Luther A (1961) 22 | ||||
![]() | Gvardeyskoye (Гвардейское, Karisalmi), Russia | 1917 or earlier | Ka. [map reference area, p. 42] | Nasonov NV (1917) 1258; from Luther 1961 - p. 22, 42 | ||||
![]() | Kuolemayarvi (Куолемаярви, Kuolemajärvi, Kuolemayar), Russia | 1961 or earlier | Ik. [map reference area, p. 42] ; Kuolemajärvi. (A. J. S. ) | Luther A (1961) 22, 42 | ||||
![]() | Kamenka (Каменка , Kaukjärvi, Kelola), Russia | 1961 or earlier | Ik. [map reference area, p. 42] ; Kaukjärvi. (A. J. S. ) | Luther A (1961) 22, 42 | ||||
![]() | Polyany (Поляны, Usikirkko, Uusikirkko), Russia | 1961 or earlier | Ik. [map reference area, p. 42] ; Uusikirkko. (A. J. S. ) | Luther A (1961) 22, 42 | ||||
![]() | Rauvanniemi (Rauhaniemi), Finland | 1961 or earlier | (A. L.). | Luther A (1961) 22 | ||||
![]() | Haukkajärvi, Russia | 1961 or earlier | Kl. [map reference area, p. 42] Haukkajärvi (V. Jääskeläinen. | Luther A (1961) 22, 42 | ||||
![]() | Vuoksa (Vuoksi), Russia | 1961 or earlier | Sa. Imatra, Strom Vuuoksi bei Siitola (K. M. L., A.L. det.). | Luther A (1961) 22 | ||||
![]() | Sortavala (Serdobol), Republic of Karelia, Russia | 1961 or earlier | Kl. [map reference area, p. 42] Sortavala (A. L.). | Luther A (1961) 22, 42 | ||||
![]() | Sortavala (Serdobol), Republic of Karelia, Russia | 1961 or earlier | Kl. Sortavala, Laatokka (Ladogasee)(V. Jääskeläinen, A. L. det.). | Luther A (1961) 22 | ||||
![]() | Lake Ladoga (Laatokka, Ladozhskoye Ozero, Ladogasee), Russia | 1961 or earlier | Kl. Sortavala, Laatokka (Ladogasee)(V. Jääskeläinen, A. L. det.). | Luther A (1961) 22 | ||||
![]() | Seesjärvi (Sekehenjärvi), The Republic of Karelia (Respublika Kareliya), Russia | 1958 or earlier | Kpoc. [map area in Luther's reprint, page 42]. Särkijärvi NW vom Seesjärvi (Stenroos). | Reynoldson TB (1958) from Luther 1961 - p. 22 | ||||
![]() | Petrosawodsk (Petrozavodsk), Onegasee, Russia | 1901 or earlier | Sabussow H (1901) from Luther 1961 - p. 22 | |||||
![]() | Petrosawodsk (Petrozavodsk), Onegasee, Russia | 1930 or earlier | Petrosawodsk, Onegasee. | Kenk R (1930) 132; from Luther 1961 - p. 22 |