Species: Sumpsivaks (Eleocharis palustris)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Arkavatnet | Rogaland, Norway | 1 | 1 | 0 | 1989-08-28 | |
| Estenstadmarka | Trøndelag, Norway | 1 | 1 | 0 | 2013-06-07 | |
| Harestuvannet | Akershus, Norway | 1 | 1 | 0 | 1990-09-04 | |
| Ledengstjern | Østfold, Norway | 1 | 1 | 0 | 1994-05-27 | |
| Litjvatnet | Trøndelag, Norway | 1 | 1 | 0 | 2004-09-14 | |
| Lomtjern | Østfold, Norway | 1 | 1 | 1 | 2017-05-04 | |
| Longvatnet | Rogaland, Norway | 3 | 1 | 0 | 1990-09-28 | |
| Mosvatnet | Rogaland, Norway | 2 | 1 | 0 | 1994-11-25 | |
| Tornesvatnet | Rogaland, Norway | 1 | 1 | 0 | 1989-09-07 |