Pelvetia canaliculata (Chanelled Wrack)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Vanvikan skole | Trøndelag, Norway | 12 | 1 | 0 | 1993-10-08 |
| Tingsaker skole | Agder, Norway | 12 | 1 | 0 | 2000-10-23 |
| Lesund skole | Møre og Romsdal, Norway | 12 | 1 | 0 | 1993-10-21 |
| Engelsvika skole | Finnmark, Norway | 12 | 1 | 0 | 1995-09-14 |
| Nærøysundet skole | Trøndelag, Norway | 12 | 1 | 0 | 1995-10-26 |
| Bleik skole | Nordland, Norway | 12 | 1 | 0 | 1997-10-22 |
| Ringshaug ungdomsskole | Vestfold, Norway | 12 | 1 | 0 | 1997-09-26 |
| Rygjabø vidaregåande skole | Rogaland, Norway | 12 | 1 | 0 | 1994-12-20 |
| Ulstein ungdomsskule | Møre og Romsdal, Norway | 11 | 1 | 0 | 1995-10-13 |
| Fjære barneskole | Agder, Norway | 11 | 1 | 0 | 1997-10-27 |
| Orerønningen ungdomsskole | Vestfold, Norway | 11 | 1 | 0 | 1995-09-19 |
| Mesterfjellet ungdomsskole | Vestfold, Norway | 11 | 1 | 0 | 1998-09-24 |
| Berge ungdomsskole | Agder, Norway | 11 | 1 | 0 | 1995-11-01 |
| Linesøy skole | Trøndelag, Norway | 11 | 1 | 0 | 1995-09-14 |
| Sandeid skule | Rogaland, Norway | 11 | 1 | 0 | 1997-10-15 |
| Vikstranda skole | Troms, Norway | 11 | 1 | 0 | 1993-09-01 |
| Val landbruksskole | Trøndelag, Norway | 11 | 1 | 0 | 1995-01-02 |
| Avaldsnes skole | Rogaland, Norway | 11 | 1 | 0 | 1995-10-20 |
| Håkvik barneskole | Nordland, Norway | 11 | 1 | 0 | 1996-10-09 |
| Varden ungdomsskole | Vestfold, Norway | 11 | 1 | 0 | 1999-05-04 |
| Åkrehamn vidaregåande skole | Rogaland, Norway | 10 | 1 | 0 | 1994-11-25 |
| Tjodalyng ungdomsskole | Vestfold, Norway | 10 | 1 | 0 | 1997-09-16 |
| Dimna skule | Møre og Romsdal, Norway | 10 | 1 | 0 | 1994-11-04 |
| Innvik skule | Vestland, Norway | 10 | 1 | 0 | 1996-10-03 |
| Moltemyr skole | Agder, Norway | 10 | 1 | 0 | 1996-09-25 |
| Støtt skole | Nordland, Norway | 10 | 1 | 0 | 1994-11-29 |
| Blomdalen ungdomsskole | Agder, Norway | 10 | 1 | 0 | 1995-09-21 |
| Tvedestrand skole | Agder, Norway | 10 | 1 | 0 | 1998-09-24 |
| Brekke skule | Vestland, Norway | 10 | 1 | 0 | 1993-09-01 |
| Abelvær skole | Trøndelag, Norway | 10 | 1 | 0 | 2000-05-09 |
| Skarbø skule | Møre og Romsdal, Norway | 10 | 1 | 0 | 2000-09-22 |
| Sæbø skule | Møre og Romsdal, Norway | 9 | 1 | 0 | 2006-09-29 |
| Brandal skule | Møre og Romsdal, Norway | 9 | 1 | 0 | 1996-10-16 |
| Måndalen Oppvekstsenter/Avd skole | Møre og Romsdal, Norway | 9 | 1 | 0 | 1996-10-23 |
| Sandhornøy skole avd skole | Nordland, Norway | 9 | 1 | 0 | 1994-10-17 |
| Hårkollen skole | Vestfold, Norway | 9 | 1 | 0 | 1998-09-24 |
| Godfjord skole | Troms, Norway | 9 | 1 | 0 | 1993-09-27 |
| Sandeåsen skole | Vestfold, Norway | 9 | 1 | 0 | 1994-10-14 |
| Åstveit skole | Vestland, Norway | 8 | 1 | 0 | 1995-09-20 |
| Dalsfjord skule | Møre og Romsdal, Norway | 8 | 1 | 0 | 1996-10-22 |
| Grindløkken skole | Vestfold, Norway | 8 | 1 | 0 | 1995-09-21 |
| Ringstad skule | Møre og Romsdal, Norway | 8 | 1 | 0 | 1993-10-08 |
| Åset skole | Trøndelag, Norway | 8 | 1 | 0 | 1994-12-05 |
| Meløy videregående skole/Avd Inndyr | Nordland, Norway | 8 | 1 | 0 | 1994-11-30 |
| Brentemoen skole | Agder, Norway | 8 | 1 | 0 | 1997-10-02 |
| Nord-Dønna skole | Nordland, Norway | 8 | 1 | 0 | 1994-11-28 |
| Horten videregående skole/Avd Bekkegata | Vestfold, Norway | 8 | 1 | 0 | 1993-11-29 |
| Kleppestø barneskole | Vestland, Norway | 8 | 1 | 0 | 1993-09-30 |
| Storebø skule | Vestland, Norway | 8 | 1 | 0 | 1993-10-20 |
| Levangsheia skole | Telemark, Norway | 8 | 1 | 0 | 1995-10-06 |