Species: Flotgras (Sparganium angustifolium)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Fløyta | Akershus, Norway | 1 | 1 | 0 | 1989-09-22 | |
| Gjerdsetvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 2001-08-30 | |
| Hammervatnet | Trøndelag, Norway | 1 | 1 | 0 | 1989-10-08 | |
| Harestuvannet | Akershus, Norway | 1 | 1 | 0 | 2004-09-01 | |
| Haukvatnet | Trøndelag, Norway | 1 | 1 | 0 | 2013-05-23 | |
| Hostadvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1992-09-08 | |
| Langavatnet | Vestland, Norway | 1 | 1 | 0 | 1989-08-31 | |
| Lianvatnet | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-04 | |
| Longvatnet | Rogaland, Norway | 2 | 1 | 0 | 1990-06-01 | |
| Madsvannet | Nordland, Norway | 1 | 1 | 0 | 1990-09-22 | |
| Maltjern | Akershus, Norway | 2 | 1 | 0 | 1992-06-23 | |
| Nordre Skeisvatn | Rogaland, Norway | 1 | 1 | 0 | 2005-09-16 | |
| Nøklevann | Oslo, Norway | 1 | 1 | 0 | 1989-10-04 | |
| Opsangervatnet | Vestland, Norway | 1 | 1 | 0 | 1989-09-25 | |
| Pytt ved Strand gård | Trøndelag, Norway | 1 | 1 | 0 | 2004-08-14 | |
| Reiarsvatnet | Rogaland, Norway | 4 | 1 | 0 | 1992-09-18 | |
| Rossevatn | Rogaland, Norway | 1 | 1 | 0 | 1989-09-06 | |
| Røyvannet | Telemark, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Sagtjernet | Innlandet, Norway | 1 | 1 | 0 | 1989-09-20 | |
| Skarvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Spildervatnet | Nordland, Norway | 1 | 1 | 0 | 1989-09-20 | |
| Svartåstjern | Buskerud, Norway | 1 | 1 | 0 | 1990-09-04 | |
| Tussvatnet | Nordland, Norway | 1 | 1 | 0 | 1989-09-14 | |
| Øvre Storfjordvatnet | Nordland, Norway | 1 | 1 | 0 | 1989-09-01 | |
| Åstveitvannet | Vestland, Norway | 1 | 1 | 0 | 1989-09-07 | |