Sargassum muticum
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| "Høyskolen" ved Årstadtjørn | Rogaland, Norway | 3 | 1 | 0 | 2015-09-21 | |
| Alvøy (Dåvøy-Nyneset) | Vestland, Norway | 2 | 1 | 0 | 1994-12-01 | |
| Arendal havneområde | Agder, Norway | 2 | 1 | 0 | 1998-09-26 | |
| Bastøy | Vestfold, Norway | 2 | 1 | 0 | 1994-11-11 | |
| Blokknr 104 | Vestfold, Norway | 1 | 1 | 0 | 1996-10-18 | |
| Blokknr 2 | Vestfold, Norway | 1 | 1 | 0 | 1996-09-19 | |
| Blokknr 34 | Agder, Norway | 1 | 1 | 0 | 1996-11-10 | |
| Blokknr 40 | Troms, Norway | 2 | 1 | 0 | 1995-09-15 | |
| Blokknr 40 | Rogaland, Norway | 5 | 1 | 0 | 1997-10-02 | |
| Bragdøya | Agder, Norway | 3 | 1 | 0 | 1994-06-09 | |
| Budal | Vestfold, Norway | 10 | 1 | 0 | 1994-11-30 | |
| Buøy | Rogaland, Norway | 2 | 1 | 0 | 1995-10-17 | |
| Bygdøy | Oslo, Norway | 2 | 1 | 0 | 1995-10-30 | |
| Bø - Tunge | Rogaland, Norway | 3 | 1 | 0 | 1995-09-14 | |
| Dirhue | Vestfold, Norway | 8 | 1 | 0 | 1996-09-20 | |
| Dvergsnestangen Ø | Agder, Norway | 1 | 1 | 0 | 1993-10-05 | |
| Dybdalstrand | Agder, Norway | 2 | 1 | 1 | 2016-05-25 | |
| Eide | Møre og Romsdal, Norway | 3 | 1 | 0 | 1997-09-30 | |
| Fevik | Agder, Norway | 14 | 1 | 0 | 1998-09-07 | |
| Flørnes | Agder, Norway | 46 | 1 | 0 | 2001-10-08 | |
| Framnes | Vestfold, Norway | 10 | 1 | 0 | 1996-09-25 | |
| Frebergsvika | Vestfold, Norway | 1 | 1 | 0 | 1998-10-13 | |
| Fresvik | Vestland, Norway | 2 | 1 | 0 | 1993-10-28 | |
| Furøya | Agder, Norway | 2 | 1 | 0 | 1994-12-05 | |
| Færvik-kilen | Agder, Norway | 1 | 1 | 0 | 1995-09-22 | |
| Førdesfjorden | Rogaland, Norway | 1 | 1 | 0 | 1994-11-28 | |
| Gandsfjorden | Rogaland, Norway | 1 | 1 | 0 | 1993-10-25 | |
| Gjelsvik | Vestland, Norway | 1 | 1 | 0 | 1993-09-21 | |
| Gjeving | Agder, Norway | 14 | 1 | 0 | 1997-10-01 | |
| Hafrsfjord | Rogaland, Norway | 12 | 1 | 0 | 1997-09-23 | |
| Halsnøy | Vestland, Norway | 1 | 1 | 0 | 1994-12-01 | |
| Harøy | Møre og Romsdal, Norway | 2 | 1 | 0 | 1996-10-17 | |
| Helleøya | Agder, Norway | 1 | 1 | 0 | 1993-10-21 | |
| Herdla | Vestland, Norway | 2 | 1 | 0 | 1995-10-06 | |
| Hisøy | Agder, Norway | 4 | 1 | 0 | 1996-09-27 | |
| Holmestrand | Vestfold, Norway | 2 | 1 | 0 | 1996-09-20 | |
| Holtefjell | Vestfold, Norway | 9 | 1 | 0 | 1998-09-24 | |
| Horten | Vestfold, Norway | 4 | 1 | 0 | 1998-10-08 | |
| Hundvåg | Rogaland, Norway | 12 | 1 | 0 | 2000-12-07 | |
| Hundvåg | Rogaland, Norway | 3 | 1 | 0 | 1995-09-27 | |
| Hvasser | Vestfold, Norway | 15 | 1 | 0 | 1996-10-10 | |
| Hvasser | Vestfold, Norway | 4 | 1 | 0 | 1994-11-30 | |
| håkonshella | Vestland, Norway | 1 | 1 | 0 | 2023-06-15 | |
| Håkonshella | Vestland, Norway | 9 | 1 | 7 | 2017-09-14 | |
| Håkonshella - Utenfor pollen | Vestland, Norway | 1 | 1 | 1 | 2013-08-15 | |
| Håkonshellapollen | Vestland, Norway | 5 | 1 | 2 | 2017-06-02 | |
| Hårkollen | Vestfold, Norway | 3 | 1 | 0 | 1998-09-24 | |
| Håøya | Agder, Norway | 10 | 1 | 0 | 1994-11-04 | |
| Indre Lafjord | Agder, Norway | 2 | 1 | 0 | 1994-12-02 | |
| Jerkholmen | Agder, Norway | 2 | 1 | 0 | 1996-09-19 |