Gammarus lacustris
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Lutvann - badeplass i nordre ende | Oslo, Norway | 1 | 1 | 0 | 2013-06-20 | |
| Mellombekken | Innlandet, Norway | 3 | 1 | 0 | 1994-09-09 | |
| Mjølvik Hardbunn | Troms, Norway | 1 | 1 | 1 | 2014-08-28 | |
| Mjøsa | Innlandet, Norway | 1 | 1 | 0 | 2005-09-16 | |
| Morsdalsvatnet | Nordland, Norway | 1 | 1 | 0 | 2005-06-01 | |
| Mosvatnet | Rogaland, Norway | 3 | 1 | 0 | 2001-06-18 | |
| Murttjernbekken | Østfold, Norway | 5 | 1 | 0 | 1996-10-23 | |
| Måkkevæjbekken | Finnmark, Norway | 1 | 1 | 0 | 1995-06-21 | |
| Nedre småtjern | Akershus, Norway | 1 | 1 | 0 | 2013-08-29 | |
| Nesttunelven | Vestland, Norway | 3 | 1 | 0 | 2013-05-03 | |
| Nitelva | Akershus, Norway | 1 | 1 | 0 | 1996-05-15 | |
| Nitelva | Akershus, Norway | 2 | 1 | 0 | 1997-05-29 | |
| Odderøya | Agder, Norway | 1 | 1 | 0 | 2002-09-04 | |
| Oftenesbekken | Agder, Norway | 10 | 1 | 0 | 1998-09-24 | |
| Oltervatnet | Nordland, Norway | 1 | 1 | 0 | 1989-09-14 | |
| Oppsjøbekken | Østfold, Norway | 12 | 1 | 0 | 1997-05-28 | |
| Polljavatnelva | Vestland, Norway | 4 | 1 | 0 | 1993-11-04 | |
| Prestebekken | Agder, Norway | 4 | 1 | 0 | 1994-10-05 | |
| Ramdalsbekken | Trøndelag, Norway | 1 | 1 | 0 | 1994-06-15 | |
| Rognbekken | Telemark, Norway | 13 | 1 | 0 | 1995-10-04 | |
| Rogåna | Agder, Norway | 4 | 1 | 0 | 1996-10-28 | |
| Rornesvannet | Troms, Norway | 1 | 1 | 0 | 2006-09-20 | |
| Rosenlund/Slakteri/Blodbekken | Innlandet, Norway | 1 | 1 | 0 | 2005-09-26 | |
| Rundvatnet | Nordland, Norway | 1 | 1 | 0 | 2006-07-01 | |
| Rypdalvatn | Nordland, Norway | 1 | 1 | 0 | 2005-08-01 | |
| Sadvikselva 3 | Akershus, Norway | 2 | 1 | 0 | 2008-10-22 | |
| Sandvikselva 1 | Akershus, Norway | 1 | 1 | 0 | 2008-10-22 | |
| Sandvikselva 2 | Akershus, Norway | 1 | 1 | 0 | 2008-10-22 | |
| Saurvatnet | Nordland, Norway | 1 | 1 | 0 | 2006-06-01 | |
| Skithegga | Akershus, Norway | 1 | 1 | 0 | 2014-10-13 | |
| Skithegga | Akershus, Norway | 1 | 1 | 0 | 2014-10-13 | |
| Skorrigorivatn | Nordland, Norway | 1 | 1 | 0 | 2004-07-10 | |
| Skranevatnet | Vestland, Norway | 3 | 1 | 0 | 2013-05-30 | |
| Skutleselvi | Vestland, Norway | 8 | 1 | 0 | 1998-09-18 | |
| Smeneselva | Møre og Romsdal, Norway | 14 | 1 | 0 | 1996-08-27 | |
| Songebekken | Agder, Norway | 1 | 1 | 0 | 1994-10-15 | |
| Stamtjernbekken | Trøndelag, Norway | 1 | 1 | 0 | 1999-06-07 | |
| Stavsjø | Innlandet, Norway | 6 | 1 | 0 | 1991-10-17 | |
| Stokmarknes, Vesterålen | Nordland, Norway | 1 | 1 | 0 | 2014-10-23 | |
| Store Nesttunvann | Vestland, Norway | 2 | 1 | 0 | 2012-09-25 | |
| Stornes | Troms, Norway | 1 | 1 | 0 | 2000-09-07 | |
| Storåna | Rogaland, Norway | 1 | 1 | 0 | 1997-09-08 | |
| Sundkilen | Telemark, Norway | 1 | 1 | 0 | 1989-09-07 | |
| Sundvatnet | Nordland, Norway | 1 | 1 | 0 | 2006-07-01 | |
| Svartelva | Innlandet, Norway | 1 | 1 | 0 | 2004-10-14 | |
| Svartelva, ved Fløta, Ådalsbruk | Innlandet, Norway | 1 | 1 | 0 | 2005-09-21 | |
| Svenåa | Akershus, Norway | 4 | 1 | 0 | 1997-05-28 | |
| Svinna | Østfold, Norway | 1 | 1 | 0 | 1994-06-24 | |
| Tornesvatnet | Rogaland, Norway | 1 | 1 | 0 | 1993-09-14 | |
| Torvikelva | Møre og Romsdal, Norway | 3 | 1 | 0 | 1994-11-09 |