Pelvetia canaliculata (Chanelled Wrack)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Storebø skule | Vestland, Norway | 8 | 1 | 0 | 1993-10-20 |
| Frostvedt skole | Vestfold, Norway | 8 | 1 | 0 | 1998-10-06 |
| Meløy videregående skole/Avd Inndyr | Nordland, Norway | 8 | 1 | 0 | 1994-11-30 |
| Nærbø ungdomsskule | Rogaland, Norway | 7 | 1 | 0 | 1995-09-19 |
| Skarbøvik ungdomsskole | Møre og Romsdal, Norway | 7 | 1 | 0 | 1995-10-27 |
| Nærøy ungdomsskole | Trøndelag, Norway | 7 | 1 | 0 | 2016-09-09 |
| Torød skole | Vestfold, Norway | 7 | 1 | 0 | 1999-09-29 |
| Trondheim katedralskole | Trøndelag, Norway | 7 | 1 | 2 | 2021-09-09 |
| Askrova skule | Vestland, Norway | 7 | 1 | 0 | 1994-01-13 |
| Fjordtun skole | Finnmark, Norway | 7 | 1 | 0 | 1993-11-12 |
| Svanem skole | Trøndelag, Norway | 7 | 1 | 0 | 1996-09-06 |
| Nedenes skole | Agder, Norway | 7 | 1 | 0 | 1996-09-19 |
| Borgheim ungdomsskole | Vestfold, Norway | 7 | 1 | 0 | 1997-09-25 |
| Frakkagjerd ungdomsskole | Rogaland, Norway | 7 | 1 | 0 | 1994-11-28 |
| Ringshaug skole | Vestfold, Norway | 7 | 1 | 0 | 1997-09-25 |
| Sandbakken barne- og ungdomsskole | Østfold, Norway | 7 | 1 | 0 | 1995-09-25 |
| Hauge skule | Vestland, Norway | 7 | 1 | 0 | 2002-10-08 |
| Fagerenget skole | Trøndelag, Norway | 6 | 1 | 0 | 1993-11-19 |
| Nordre Strand skole | Rogaland, Norway | 6 | 1 | 0 | 1995-10-02 |
| Steinerskolen på Rotvoll | Trøndelag, Norway | 6 | 1 | 5 | 2019-08-23 |
| Frei ungdomsskole | Møre og Romsdal, Norway | 6 | 1 | 0 | 1996-11-11 |
| Kirkevoll barne- og ungdomsskole | Vestland, Norway | 6 | 1 | 1 | 2003-09-15 |
| Tromøy ungdomsskole | Agder, Norway | 6 | 1 | 0 | 2003-09-15 |
| Jareteigen Montessori skole | Vestfold, Norway | 6 | 1 | 0 | 1998-10-14 |
| Sunde skole | Agder, Norway | 6 | 1 | 0 | 1994-12-02 |
| Steinkjer ungdomsskole | Trøndelag, Norway | 6 | 1 | 0 | 1995-01-02 |
| Krokemoa skole | Vestfold, Norway | 6 | 1 | 0 | 1993-10-21 |
| Brunla ungdomsskole | Vestfold, Norway | 6 | 1 | 0 | 1998-09-18 |
| Håland skole | Rogaland, Norway | 6 | 1 | 0 | 2004-06-11 |
| Senja videregående skole | Troms, Norway | 6 | 1 | 1 | 2017-09-01 |
| Buøy skole | Rogaland, Norway | 6 | 1 | 0 | 1995-10-17 |
| Austefjord skule | Møre og Romsdal, Norway | 6 | 1 | 0 | 1994-11-04 |
| Senjahopen skole | Troms, Norway | 5 | 1 | 0 | 1995-03-17 |
| Sula barne- og ungdomsskole | Trøndelag, Norway | 5 | 1 | 0 | 1997-10-12 |
| Tingvoll barne- og ungdomsskole | Møre og Romsdal, Norway | 5 | 1 | 0 | 1994-09-14 |
| Grasmyr ungdomsskole | Telemark, Norway | 5 | 1 | 0 | 1997-09-24 |
| Barmøy skule | Vestland, Norway | 5 | 1 | 0 | 1994-11-30 |
| Vassøy skole | Rogaland, Norway | 5 | 1 | 0 | 1995-10-04 |
| Stokke ungdomsskole | Vestfold, Norway | 5 | 1 | 0 | 1999-10-21 |
| Træleborg skole | Vestfold, Norway | 5 | 1 | 0 | 1999-09-30 |
| Vestskogen skole | Vestfold, Norway | 5 | 1 | 0 | 2001-05-21 |
| Gjerøy skole | Nordland, Norway | 5 | 1 | 0 | 1996-10-03 |
| Lillesand ungdomsskole | Agder, Norway | 5 | 1 | 0 | 1994-10-17 |
| Melkevarden skole | Finnmark, Norway | 5 | 1 | 0 | 1993-10-08 |
| Berg skole | Vestfold, Norway | 5 | 1 | 0 | 1996-09-24 |
| Ormestad skole | Vestfold, Norway | 5 | 1 | 0 | 1996-09-26 |
| Eydehavn skole | Agder, Norway | 5 | 1 | 0 | 1995-09-20 |
| Tveit skole | Vestland, Norway | 5 | 1 | 0 | 1995-10-10 |
| Hisøy ungdomsskole | Agder, Norway | 5 | 1 | 0 | 1997-10-02 |
| Hjelset skole | Møre og Romsdal, Norway | 5 | 1 | 0 | 1993-09-23 |