Family: Nøkkerosefamilien (Nymphaeaceae)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Stølevannet | Vestland, Norway | 1 | 1 | 0 | 1995-10-18 | |
| Svanevatnet | Rogaland, Norway | 1 | 1 | 0 | 1989-09-04 | |
| Svartåstjern | Buskerud, Norway | 2 | 2 | 0 | 1990-09-04 | |
| Sæbyvannet | Østfold, Norway | 1 | 1 | 0 | 2002-05-30 | |
| Tanum | Vestfold, Norway | 1 | 1 | 0 | 2002-09-16 | |
| Tjennane | Telemark, Norway | 1 | 1 | 0 | 1994-05-11 | |
| Tornesvatnet | Rogaland, Norway | 1 | 1 | 0 | 1989-09-07 | |
| Tranevatnet | Vestland, Norway | 2 | 2 | 0 | 2005-08-21 | |
| Tretjønnet | Agder, Norway | 2 | 2 | 0 | 1990-06-26 | |
| Trytetjønnet | Buskerud, Norway | 1 | 1 | 0 | 1989-09-08 | |
| Tveitevannet | Vestland, Norway | 1 | 1 | 0 | 1989-09-07 | |
| Ulfsbakktjønn | Vestfold, Norway | 3 | 1 | 0 | 1997-09-16 | |
| Vaksvik | Møre og Romsdal, Norway | 4 | 1 | 0 | 2020-06-22 | |
| Vasslivatnet | Rogaland, Norway | 1 | 1 | 0 | 1994-11-24 | |
| Vikerauntjønna | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-19 | |
| Vollsvatnet | Trøndelag, Norway | 1 | 1 | 0 | 2014-09-04 | |
| Øksnevadtjørna | Rogaland, Norway | 2 | 2 | 0 | 1994-11-23 | |
| Ørsjøen | Innlandet, Norway | 1 | 1 | 0 | 1994-11-25 | |
| Årstadtjødne | Rogaland, Norway | 1 | 1 | 0 | 1994-11-24 | |
| Åstveitvannet | Vestland, Norway | 1 | 1 | 0 | 1989-09-07 | |
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