Sargassum muticum
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Judaberg | Rogaland, Norway | 1 | 1 | 0 | 1993-10-08 | |
| Justøya | Agder, Norway | 4 | 1 | 0 | 1995-09-08 | |
| Kaldvellfjorden | Agder, Norway | 5 | 1 | 0 | 1998-09-24 | |
| Kjøpmannsskjær | Vestfold, Norway | 1 | 1 | 0 | 1993-12-22 | |
| Kolbeinsrød | Vestfold, Norway | 1 | 1 | 0 | 1994-11-10 | |
| Kollevåg | Vestland, Norway | 1 | 1 | 0 | 1993-11-02 | |
| Kuvågen | Vestland, Norway | 1 | 1 | 0 | 1994-12-01 | |
| Kvamsøy | Møre og Romsdal, Norway | 2 | 1 | 0 | 1995-09-18 | |
| Kyrkjebø | Vestland, Norway | 1 | 1 | 0 | 1994-10-10 | |
| Lamøya | Vestfold, Norway | 1 | 1 | 0 | 1994-11-04 | |
| Lande | Agder, Norway | 8 | 1 | 0 | 1994-12-02 | |
| Langangen | Telemark, Norway | 1 | 1 | 0 | 1993-10-05 | |
| Langøy | Vestfold, Norway | 2 | 1 | 0 | 1998-09-22 | |
| Levangsheia | Telemark, Norway | 16 | 1 | 0 | 1995-10-06 | |
| Lillesandsfjorden | Agder, Norway | 9 | 1 | 0 | 1994-10-17 | |
| Lyngørfjorden | Agder, Norway | 7 | 1 | 0 | 1993-09-10 | |
| Løgevik | Rogaland, Norway | 1 | 1 | 0 | 1994-12-01 | |
| Marifjøra | Vestland, Norway | 1 | 1 | 0 | 1993-12-20 | |
| Melsomvik | Vestfold, Norway | 4 | 1 | 0 | 1998-09-22 | |
| Moutmarka | Vestfold, Norway | 1 | 1 | 0 | 1993-09-27 | |
| Munkerekka | Vestfold, Norway | 1 | 1 | 0 | 1994-11-10 | |
| Mærdø | Agder, Norway | 6 | 1 | 0 | 1994-10-26 | |
| Møllebukta, Hafrsfjord | Rogaland, Norway | 4 | 1 | 0 | 1996-10-08 | |
| Nattholmen | Vestfold, Norway | 20 | 1 | 0 | 1998-09-17 | |
| Nautnes | Vestland, Norway | 1 | 1 | 0 | 2014-09-16 | |
| Naverfjorden | Vestfold, Norway | 4 | 1 | 0 | 2000-09-26 | |
| Nærbø | Rogaland, Norway | 12 | 1 | 0 | 1998-10-02 | |
| Oddane sand/Smørbukta | Vestfold, Norway | 14 | 1 | 0 | 1997-09-24 | |
| Ormelet | Vestfold, Norway | 3 | 1 | 0 | 1994-11-09 | |
| pollen | Vestland, Norway | 1 | 1 | 1 | 2015-06-12 | |
| Pusnes/Tybakken | Agder, Norway | 9 | 1 | 0 | 2005-09-22 | |
| Randesund | Agder, Norway | 3 | 1 | 0 | 1994-12-01 | |
| Ranvik | Vestfold, Norway | 27 | 1 | 0 | 1996-09-24 | |
| Ranvik | Agder, Norway | 1 | 1 | 0 | 1993-09-01 | |
| Ravnøy | Vestfold, Norway | 1 | 1 | 0 | 1995-09-19 | |
| Ringshaug | Vestfold, Norway | 1 | 1 | 0 | 1995-09-25 | |
| Rolfsbukta, Fornebu | Akershus, Norway | 1 | 1 | 0 | 2010-08-25 | |
| Rødskjær | Vestfold, Norway | 47 | 1 | 0 | 2006-09-07 | |
| Røvika | Vestfold, Norway | 40 | 1 | 0 | 2005-09-13 | |
| Sagesund-Falkøya | Agder, Norway | 2 | 1 | 0 | 1993-10-29 | |
| Salhusstrømmen(Fastlandssiden) | Rogaland, Norway | 1 | 1 | 0 | 1995-10-04 | |
| Saltstein | Telemark, Norway | 1 | 1 | 0 | 1995-01-02 | |
| Samfundets skole Egersund | Rogaland, Norway | 1 | 1 | 0 | 2018-09-18 | |
| Sandeåsen | Vestfold, Norway | 1 | 1 | 0 | 1995-09-29 | |
| Sandvika | Rogaland, Norway | 5 | 1 | 0 | 1998-10-05 | |
| Sandå-Skarestrand | Agder, Norway | 25 | 1 | 0 | 1995-09-21 | |
| Sirevåg-Ogna-Varden | Rogaland, Norway | 4 | 1 | 0 | 1996-09-26 | |
| Skinnfelltangen | Agder, Norway | 1 | 1 | 0 | 1993-09-16 | |
| Skjernøya | Agder, Norway | 15 | 1 | 0 | 1995-09-21 | |
| Skogerøya | Agder, Norway | 30 | 1 | 0 | 1996-09-19 |