Pelvetia canaliculata (Chanelled Wrack)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Steika | Vestfold, Norway | 10 | 1 | 0 | 1997-09-16 | |
| Steinsvikstranda | Møre og Romsdal, Norway | 22 | 1 | 0 | 1996-09-25 | |
| Stengelvåg | Nordland, Norway | 19 | 1 | 0 | 1995-06-08 | |
| Stokkastrand | Rogaland, Norway | 4 | 1 | 0 | 1995-10-03 | |
| Stokmarknes, Vesterålen | Nordland, Norway | 1 | 1 | 0 | 2014-10-23 | |
| Stord | Vestland, Norway | 2 | 1 | 0 | 1993-08-31 | |
| Storebø | Vestland, Norway | 8 | 1 | 0 | 1993-10-20 | |
| Stornes | Troms, Norway | 2 | 1 | 0 | 2000-09-12 | |
| Strand | Nordland, Norway | 50 | 1 | 0 | 1996-09-16 | |
| Strand | Vestfold, Norway | 6 | 1 | 0 | 1993-10-21 | |
| Stranda | Møre og Romsdal, Norway | 8 | 1 | 0 | 1993-10-08 | |
| Strandstøa | Rogaland, Norway | 2 | 1 | 0 | 1993-11-22 | |
| Strandvik/vinnes | Vestland, Norway | 16 | 1 | 0 | 1996-10-03 | |
| Strøno | Vestland, Norway | 24 | 1 | 0 | 1996-09-18 | |
| Støre/Eigerøy | Rogaland, Norway | 33 | 1 | 0 | 2023-09-26 | |
| Støtt | Nordland, Norway | 10 | 1 | 0 | 1994-11-29 | |
| Sula | Trøndelag, Norway | 5 | 1 | 0 | 1997-10-12 | |
| Sundsleira | Vestland, Norway | 1 | 1 | 0 | 2021-06-08 | |
| Sundøy | Nordland, Norway | 4 | 1 | 0 | 1993-10-26 | |
| Sveggøya | Møre og Romsdal, Norway | 31 | 1 | 0 | 1997-10-07 | |
| Svelvik | Buskerud, Norway | 15 | 1 | 0 | 1995-10-09 | |
| Syvdefjorden | Møre og Romsdal, Norway | 48 | 1 | 0 | 1997-10-09 | |
| Syvdefjorden | Møre og Romsdal, Norway | 67 | 1 | 0 | 1997-10-09 | |
| Sæbø | Møre og Romsdal, Norway | 9 | 1 | 0 | 2006-09-29 | |
| Sør Kolnes | Rogaland, Norway | 1 | 1 | 0 | 1995-09-06 | |
| Sør-Tverrfjord | Finnmark, Norway | 3 | 1 | 0 | 1994-11-04 | |
| Sørvær | Finnmark, Norway | 3 | 1 | 0 | 1993-10-26 | |
| Søvik | Møre og Romsdal, Norway | 17 | 1 | 0 | 1995-09-18 | |
| Tananger | Rogaland, Norway | 2 | 1 | 0 | 1994-06-21 | |
| Tau | Rogaland, Norway | 2 | 1 | 0 | 1993-11-11 | |
| Tennfjord-fjøra | Møre og Romsdal, Norway | 34 | 1 | 0 | 1995-09-18 | |
| Tenvik | Vestfold, Norway | 11 | 1 | 0 | 1997-09-25 | |
| Tingvollvågen | Møre og Romsdal, Norway | 5 | 1 | 0 | 1994-09-14 | |
| Tiriholmen | Nordland, Norway | 29 | 1 | 0 | 1996-10-01 | |
| Tofte | Akershus, Norway | 2 | 1 | 0 | 1996-09-20 | |
| Tofterøy | Vestland, Norway | 14 | 1 | 0 | 1996-11-01 | |
| Torvanger/Hauge | Vestland, Norway | 6 | 1 | 0 | 1994-10-20 | |
| Torvangerfjæra | Vestland, Norway | 1 | 1 | 0 | 2002-10-08 | |
| Torvastad | Rogaland, Norway | 13 | 1 | 0 | 1995-09-21 | |
| Torvastad (Blokknr 39) | Rogaland, Norway | 26 | 1 | 0 | 1997-10-16 | |
| Torød | Vestfold, Norway | 3 | 1 | 0 | 1994-11-10 | |
| Torød | Vestfold, Norway | 4 | 1 | 0 | 1999-09-29 | |
| Treidene | Vestfold, Norway | 5 | 1 | 0 | 1997-10-10 | |
| Tromøy | Agder, Norway | 10 | 1 | 0 | 1996-09-25 | |
| Træ | Vestland, Norway | 1 | 1 | 0 | 2002-11-07 | |
| Tungeneset | Rogaland, Norway | 24 | 1 | 0 | 1997-10-14 | |
| Tybakken/Sofienlund | Agder, Norway | 1 | 1 | 0 | 2002-09-19 | |
| Tønsberg | Vestfold, Norway | 1 | 1 | 0 | 1999-09-30 | |
| Ulstein | Møre og Romsdal, Norway | 11 | 1 | 0 | 1995-10-13 | |
| Ulsteinvik | Møre og Romsdal, Norway | 28 | 1 | 0 | 1994-11-04 |