Klasse: Brunalgar (Phaeophyceae)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| "Høyskolen" ved Årstadtjørn | Rogaland, Norway | 11 | 6 | 0 | 2015-09-21 | |
| Alsvågen | Nordland, Norway | 76 | 5 | 0 | 1994-11-28 | |
| Alteren | Nordland, Norway | 317 | 5 | 0 | 2002-09-27 | |
| Alvestad-Grøtavær | Troms, Norway | 71 | 5 | 0 | 1993-11-16 | |
| Alvøy (Dåvøy-Nyneset) | Vestland, Norway | 197 | 6 | 0 | 1997-10-06 | |
| Amdam | Møre og Romsdal, Norway | 39 | 9 | 0 | 2000-09-22 | |
| Arendal | Agder, Norway | 5 | 5 | 0 | 2013-03-20 | |
| Arendal | Agder, Norway | 20 | 8 | 19 | 2017-10-27 | |
| Arendal | Agder, Norway | 1 | 1 | 0 | 2013-03-20 | |
| Arendal havneområde | Agder, Norway | 93 | 6 | 0 | 1998-09-26 | |
| Askrova | Vestland, Norway | 35 | 5 | 0 | 1994-01-13 | |
| Asmalø | Østfold, Norway | 17 | 3 | 0 | 1993-11-23 | |
| Asmaløy | Østfold, Norway | 181 | 5 | 0 | 1996-09-25 | |
| Aureosen | Møre og Romsdal, Norway | 4 | 2 | 0 | 1993-09-24 | |
| Ausvika | Nordland, Norway | 5 | 4 | 0 | 2018-05-16 | |
| Avaldsnes | Rogaland, Norway | 85 | 5 | 0 | 1995-10-20 | |
| Balderheim | Vestland, Norway | 10 | 5 | 0 | 1993-11-08 | |
| Barmen | Vestland, Norway | 13 | 4 | 0 | 1994-11-30 | |
| Barneskjær | Vestfold, Norway | 14 | 3 | 0 | 1996-09-26 | |
| Bastøy | Vestfold, Norway | 85 | 6 | 0 | 1994-11-11 | |
| Batnfjordsøra | Møre og Romsdal, Norway | 174 | 5 | 0 | 1996-10-14 | |
| Bekkevika | Vestfold, Norway | 3 | 3 | 0 | 2014-09-24 | |
| Bergerbukta | Buskerud, Norway | 8 | 2 | 0 | 1995-09-07 | |
| bertesbukta | Agder, Norway | 8 | 4 | 6 | 2013-06-04 | |
| Bildøy | Vestland, Norway | 1 | 1 | 1 | 2012-09-20 | |
| Bjellandstrand | Agder, Norway | 93 | 15 | 90 | 2016-06-08 | |
| Bjellandstrand | Agder, Norway | 13 | 5 | 13 | 2017-10-18 | |
| Bjellandstrand | Agder, Norway | 13 | 6 | 13 | 2017-10-20 | |
| bjellandstrand | Agder, Norway | 3 | 3 | 3 | 2014-05-14 | |
| bjellandstrand | Agder, Norway | 2 | 2 | 2 | 2014-05-14 | |
| Bjellanstrand | Agder, Norway | 11 | 8 | 11 | 2017-11-01 | |
| Bjerkvik | Nordland, Norway | 298 | 5 | 0 | 1998-09-29 | |
| Bjoa | Rogaland, Norway | 114 | 5 | 0 | 1996-09-05 | |
| Bjorvika-Melkevika | Vestland, Norway | 29 | 5 | 0 | 1996-09-27 | |
| Bjørkøya | Telemark, Norway | 4 | 2 | 0 | 1993-10-14 | |
| Bjørnsandfjæra | Nordland, Norway | 12 | 5 | 0 | 1996-09-17 | |
| Blakset | Vestland, Norway | 11 | 4 | 0 | 1994-11-04 | |
| Blakstadbukta-Vollen | Akershus, Norway | 16 | 4 | 0 | 1994-01-13 | |
| Bleikstranda | Nordland, Norway | 106 | 5 | 0 | 1997-10-22 | |
| Blokknr 1 | Trøndelag, Norway | 80 | 5 | 0 | 1996-10-23 | |
| Blokknr 1 | Møre og Romsdal, Norway | 31 | 5 | 0 | 1996-09-19 | |
| Blokknr 104 | Vestfold, Norway | 26 | 6 | 0 | 1997-09-18 | |
| Blokknr 118 | Møre og Romsdal, Norway | 96 | 5 | 0 | 1996-09-20 | |
| Blokknr 118 | Møre og Romsdal, Norway | 16 | 4 | 0 | 1996-09-20 | |
| Blokknr 131 | Møre og Romsdal, Norway | 10 | 5 | 0 | 1996-09-20 | |
| Blokknr 132 | Møre og Romsdal, Norway | 18 | 5 | 0 | 1996-10-18 | |
| Blokknr 133 | Møre og Romsdal, Norway | 32 | 5 | 0 | 1996-10-22 | |
| Blokknr 2 | Vestfold, Norway | 34 | 6 | 0 | 1996-09-19 | |
| Blokknr 25 | Telemark, Norway | 2 | 1 | 0 | 1995-09-20 | |
| Blokknr 34 | Agder, Norway | 8 | 5 | 0 | 1996-11-10 |
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