Genus: True Sedges (Carex)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Spildervatnet | Nordland, Norway | 1 | 1 | 0 | 1989-09-20 | |
| Stensrudtjern | Oslo, Norway | 1 | 1 | 0 | 1989-09-21 | |
| Storavatnet | Vestland, Norway | 1 | 1 | 0 | 1989-09-26 | |
| Stordammen | Akershus, Norway | 1 | 1 | 0 | 1989-09-08 | |
| Store Bjørnevatnet | Agder, Norway | 1 | 1 | 0 | 1989-08-30 | |
| Storeidvatnet | Nordland, Norway | 1 | 1 | 0 | 1998-09-07 | |
| Svartaholtjørnet | Vestland, Norway | 6 | 6 | 0 | 1989-09-21 | |
| Svartputten | Oslo, Norway | 1 | 1 | 0 | 2003-06-06 | |
| Svartåstjern | Buskerud, Norway | 1 | 1 | 0 | 1990-09-04 | |
| Sæbyvannet | Østfold, Norway | 1 | 1 | 0 | 2002-05-30 | |
| Søreide | Vestland, Norway | 1 | 1 | 0 | 2013-06-13 | |
| Tjennane | Telemark, Norway | 1 | 1 | 0 | 1994-05-11 | |
| Tornesvatnet | Rogaland, Norway | 1 | 1 | 0 | 1989-09-07 | |
| Tranevatnet | Vestland, Norway | 1 | 1 | 0 | 2005-08-21 | |
| Tretjønnet | Agder, Norway | 3 | 2 | 0 | 1990-06-26 | |
| Tussvatnet | Nordland, Norway | 2 | 2 | 0 | 1989-09-14 | |
| Tveitevannet | Vestland, Norway | 1 | 1 | 0 | 1989-09-07 | |
| Tømmervatnet | Troms, Norway | 1 | 1 | 0 | 1993-09-17 | |
| Ulfsbakktjønn | Vestfold, Norway | 1 | 1 | 0 | 1997-09-16 | |
| V. Måsane | Akershus, Norway | 1 | 1 | 0 | 1996-08-21 | |
| Vaksvik | Møre og Romsdal, Norway | 6 | 2 | 0 | 2023-04-24 | |
| Vassetsætra | Møre og Romsdal, Norway | 1 | 1 | 0 | 2009-09-04 | |
| Vikerauntjønna | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-19 | |
| Vollsvatnet | Trøndelag, Norway | 1 | 1 | 0 | 2014-09-04 | |
| Vålåsjøen | Innlandet, Norway | 1 | 1 | 0 | 1989-08-24 | |
| Øksnevadtjørna | Rogaland, Norway | 1 | 1 | 0 | 1994-11-23 | |
| Ørsjøen | Innlandet, Norway | 1 | 1 | 0 | 1994-11-25 | |
| Østernvannet | Akershus, Norway | 1 | 1 | 0 | 1990-08-28 | |
| Øvre Hoelsjø | Akershus, Norway | 1 | 1 | 0 | 1994-09-12 | |
| Øvre Storfjordvatnet | Nordland, Norway | 1 | 1 | 0 | 1989-09-01 | |
| Årungen | Akershus, Norway | 2 | 1 | 0 | 1991-09-16 | |
| Åstveitvannet | Vestland, Norway | 1 | 1 | 0 | 2007-06-06 | |
| Åstveitvannet | Vestland, Norway | 2 | 2 | 0 | 1989-09-07 | |
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