Species: Serrated Wrack (Fucus serratus)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| "Høyskolen" ved Årstadtjørn | Rogaland, Norway | 2 | 1 | 0 | 2015-09-21 | |
| Alsvågen | Nordland, Norway | 20 | 1 | 0 | 1994-11-28 | |
| Alteren | Nordland, Norway | 64 | 1 | 0 | 2002-09-27 | |
| Alvestad-Grøtavær | Troms, Norway | 17 | 1 | 0 | 1993-11-16 | |
| Alvøy (Dåvøy-Nyneset) | Vestland, Norway | 36 | 1 | 0 | 1997-10-06 | |
| Amdam | Møre og Romsdal, Norway | 8 | 1 | 0 | 2000-09-22 | |
| Arendal | Agder, Norway | 4 | 1 | 4 | 2017-10-27 | |
| Arendal havneområde | Agder, Norway | 19 | 1 | 0 | 1998-09-26 | |
| Askrova | Vestland, Norway | 2 | 1 | 0 | 1994-01-13 | |
| Asmalø | Østfold, Norway | 3 | 1 | 0 | 1993-11-23 | |
| Asmaløy | Østfold, Norway | 34 | 1 | 0 | 1996-09-25 | |
| Ausvika | Nordland, Norway | 1 | 1 | 0 | 2018-05-16 | |
| Avaldsnes | Rogaland, Norway | 15 | 1 | 0 | 1995-10-20 | |
| Balderheim | Vestland, Norway | 2 | 1 | 0 | 1993-11-08 | |
| Barmen | Vestland, Norway | 4 | 1 | 0 | 1994-11-30 | |
| Barneskjær | Vestfold, Norway | 3 | 1 | 0 | 1996-09-26 | |
| Bastøy | Vestfold, Norway | 25 | 1 | 0 | 1994-11-11 | |
| Batnfjordsøra | Møre og Romsdal, Norway | 26 | 1 | 0 | 1996-10-14 | |
| Bekkevika | Vestfold, Norway | 1 | 1 | 0 | 2014-09-16 | |
| Bergerbukta | Buskerud, Norway | 4 | 1 | 0 | 1995-09-07 | |
| bertesbukta | Agder, Norway | 1 | 1 | 1 | 2013-06-03 | |
| Bjellandstrand | Agder, Norway | 14 | 1 | 15 | 2016-06-08 | |
| Bjellandstrand | Agder, Norway | 2 | 1 | 2 | 2017-10-18 | |
| Bjellandstrand | Agder, Norway | 3 | 1 | 3 | 2017-10-20 | |
| Bjellanstrand | Agder, Norway | 2 | 1 | 2 | 2017-11-01 | |
| Bjerkvik | Nordland, Norway | 71 | 1 | 0 | 1998-09-29 | |
| Bjoa | Rogaland, Norway | 25 | 1 | 0 | 1996-09-05 | |
| Bjorvika-Melkevika | Vestland, Norway | 6 | 1 | 0 | 1996-09-27 | |
| Bjørkøya | Telemark, Norway | 2 | 1 | 0 | 1993-10-14 | |
| Bjørnsandfjæra | Nordland, Norway | 1 | 1 | 0 | 1994-11-30 | |
| Blakstadbukta-Vollen | Akershus, Norway | 6 | 1 | 0 | 1994-01-13 | |
| Bleikstranda | Nordland, Norway | 18 | 1 | 0 | 1997-10-22 | |
| Blokknr 1 | Trøndelag, Norway | 18 | 1 | 0 | 1996-10-23 | |
| Blokknr 1 | Møre og Romsdal, Norway | 8 | 1 | 0 | 1996-09-19 | |
| Blokknr 104 | Vestfold, Norway | 6 | 1 | 0 | 1997-09-18 | |
| Blokknr 118 | Møre og Romsdal, Norway | 3 | 1 | 0 | 1996-09-20 | |
| Blokknr 118 | Møre og Romsdal, Norway | 23 | 1 | 0 | 1996-09-20 | |
| Blokknr 131 | Møre og Romsdal, Norway | 2 | 1 | 0 | 1996-09-20 | |
| Blokknr 132 | Møre og Romsdal, Norway | 4 | 1 | 0 | 1996-10-18 | |
| Blokknr 133 | Møre og Romsdal, Norway | 5 | 1 | 0 | 1996-10-22 | |
| Blokknr 2 | Vestfold, Norway | 6 | 1 | 0 | 1996-09-19 | |
| Blokknr 34 | Agder, Norway | 2 | 1 | 0 | 1996-11-10 | |
| Blokknr 34 | Vestland, Norway | 3 | 1 | 0 | 1996-09-24 | |
| Blokknr 35 | Agder, Norway | 2 | 1 | 0 | 1996-10-09 | |
| Blokknr 40 | Troms, Norway | 51 | 1 | 0 | 1997-10-09 | |
| Blokknr 40 | Rogaland, Norway | 18 | 1 | 0 | 1997-10-02 | |
| Blokknr 71 | Nordland, Norway | 1 | 1 | 0 | 1995-10-19 | |
| Blokknr 95 | Vestfold, Norway | 10 | 1 | 0 | 1997-09-10 | |
| Blokknummer 81 | Møre og Romsdal, Norway | 7 | 1 | 0 | 1996-11-11 | |
| Bogen | Vestfold, Norway | 19 | 1 | 0 | 1999-10-21 |