Pelvetia canaliculata (Chanelled Wrack)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Frede Thorsheim | Vestland, Norway | 3 | 1 | 2 | 2019-09-05 |
| Lyngmyr skole | Agder, Norway | 3 | 1 | 0 | 1993-09-10 |
| Rennesøy skule | Rogaland, Norway | 3 | 1 | 0 | 1999-09-29 |
| Åsgården skole | Vestfold, Norway | 3 | 1 | 0 | 1994-11-10 |
| Gladstad skole | Nordland, Norway | 3 | 1 | 0 | 1995-10-19 |
| Nærsnes barneskole | Akershus, Norway | 3 | 1 | 0 | 1996-09-16 |
| Pollen skule | Vestland, Norway | 3 | 1 | 0 | 1996-10-18 |
| Fagerholt skole | Agder, Norway | 3 | 1 | 0 | 2021-08-31 |
| Flaktveit skole | Vestland, Norway | 3 | 1 | 1 | 2018-05-23 |
| Trollvik skole | Troms, Norway | 3 | 1 | 3 | 2018-10-25 |
| Guds Menighet grunnskole/Vikten skole | Nordland, Norway | 3 | 1 | 0 | 1997-10-22 |
| Gjeving skole | Agder, Norway | 2 | 1 | 0 | 1995-09-06 |
| Dalsbygda skule | Møre og Romsdal, Norway | 2 | 1 | 0 | 1995-09-20 |
| Hvaler ungdomsskole | Østfold, Norway | 2 | 1 | 0 | 1995-09-20 |
| Stend vidaregåande skule | Vestland, Norway | 2 | 1 | 0 | 1996-09-27 |
| Tofte skole | Akershus, Norway | 2 | 1 | 0 | 1996-10-30 |
| Davanger skole | Vestland, Norway | 2 | 1 | 0 | 1994-11-30 |
| Lindhøy skole | Vestfold, Norway | 2 | 1 | 0 | 1994-11-30 |
| Sem skole | Vestfold, Norway | 2 | 1 | 0 | 1996-09-24 |
| Olsrød videregående skole | Vestfold, Norway | 2 | 1 | 0 | 1993-12-22 |
| Sande skule | Vestland, Norway | 2 | 1 | 0 | 2009-06-10 |
| Innlandet skole | Møre og Romsdal, Norway | 2 | 1 | 0 | 1997-10-15 |
| Horten videregående skole/Avd Skippergata | Vestfold, Norway | 2 | 1 | 0 | 1994-11-10 |
| Sentrum skole | Vestfold, Norway | 2 | 1 | 0 | 1993-09-28 |
| Eik skole | Vestfold, Norway | 2 | 1 | 0 | 1996-09-26 |
| Ytre Namdal videregående skole | Trøndelag, Norway | 2 | 1 | 1 | 2020-10-29 |
| Roligheden skole Barne-/ungdomstrinnet | Agder, Norway | 2 | 1 | 0 | 1995-09-22 |
| Søre Fusa Oppvekstsenter/Avdeling skule | Vestland, Norway | 2 | 1 | 0 | 1993-11-08 |
| Birkenlund ungdomsskole | Agder, Norway | 2 | 1 | 0 | 1994-12-05 |
| Vormedal ungdomsskole | Rogaland, Norway | 2 | 1 | 0 | 1995-10-04 |
| Feda skole | Agder, Norway | 2 | 1 | 0 | 1994-12-02 |
| Hinna skole | Rogaland, Norway | 2 | 1 | 0 | 1993-10-25 |
| Kvinnherad vidaregåande skule | Vestland, Norway | 2 | 1 | 1 | 2015-08-28 |
| Bore ungdomsskule | Rogaland, Norway | 2 | 1 | 0 | 1993-09-01 |
| Brattvåg ungdomsskule | Møre og Romsdal, Norway | 2 | 1 | 0 | 1996-09-20 |
| Hadnesøya oppvekstsenter | Nordland, Norway | 2 | 1 | 0 | 1997-09-24 |
| Nordreisa videregående skole Ráissa Joatkkaskuvla | Troms, Norway | 2 | 1 | 0 | 2000-09-12 |
| Granly skole | Vestfold, Norway | 2 | 1 | 0 | 1993-08-31 |
| Hanøy skole | Vestland, Norway | 2 | 1 | 0 | 1996-09-24 |
| Tertnes skole | Vestland, Norway | 2 | 1 | 0 | 2019-05-21 |
| Holand skole | Nordland, Norway | 2 | 1 | 0 | 1993-10-13 |
| Oslo katedralskole | Oslo, Norway | 2 | 1 | 1 | 2016-09-23 |
| Kvislabakken skole | Trøndelag, Norway | 2 | 1 | 2 | 2020-06-10 |
| Melsom skole | Vestfold, Norway | 2 | 1 | 0 | 1998-10-06 |
| Vollan skole | Trøndelag, Norway | 2 | 1 | 0 | 2020-06-02 |
| Mellomhagen ungdomsskole | Vestfold, Norway | 2 | 1 | 0 | 1995-09-20 |
| Oppstryn skule | Vestland, Norway | 2 | 1 | 0 | 1994-11-04 |
| Rubbestadneset skule | Vestland, Norway | 2 | 1 | 0 | 2017-09-14 |
| Follese skole | Vestland, Norway | 2 | 1 | 0 | 2003-05-15 |
| Tofte ungdomsskole | Akershus, Norway | 2 | 1 | 0 | 1996-09-20 |