Pelvetia canaliculata (Chanelled Wrack)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Mathopen skole | Vestland, Norway | 24 | 1 | 13 | 2018-10-01 |
| Fiskå skule | Møre og Romsdal, Norway | 24 | 1 | 0 | 1996-10-18 |
| Nore Øyane skule | Vestland, Norway | 24 | 1 | 0 | 1996-09-18 |
| Sandnes skole | Agder, Norway | 24 | 1 | 16 | 2017-10-25 |
| Søvik skule | Møre og Romsdal, Norway | 23 | 1 | 0 | 1996-09-19 |
| Hundvåg skole | Rogaland, Norway | 22 | 1 | 0 | 2000-12-07 |
| Leira skole | Møre og Romsdal, Norway | 22 | 1 | 0 | 1996-09-25 |
| Haddal skule | Møre og Romsdal, Norway | 22 | 1 | 0 | 1997-09-26 |
| Valderøy ungdomsskule | Møre og Romsdal, Norway | 22 | 1 | 0 | 1995-09-15 |
| Nidarvoll skole | Trøndelag, Norway | 21 | 1 | 1 | 2017-09-05 |
| Selje skule | Vestland, Norway | 21 | 1 | 0 | 1995-09-21 |
| Oksvoll skole | Trøndelag, Norway | 21 | 1 | 0 | 2001-10-19 |
| Ranvik ungdomsskole | Vestfold, Norway | 20 | 1 | 0 | 1997-10-09 |
| Sortland barneskole | Nordland, Norway | 20 | 1 | 0 | 1996-10-01 |
| Dverberg/saura skole | Nordland, Norway | 20 | 1 | 0 | 1995-10-03 |
| Jordet skole | Vestfold, Norway | 19 | 1 | 0 | 2007-09-11 |
| Strengelvåg skole | Nordland, Norway | 19 | 1 | 0 | 1995-06-08 |
| Vestrefjord skule | Møre og Romsdal, Norway | 19 | 1 | 0 | 1996-10-18 |
| Bokn skule | Rogaland, Norway | 18 | 1 | 0 | 1998-10-05 |
| Lepsøy skule | Møre og Romsdal, Norway | 18 | 1 | 0 | 1996-09-20 |
| Botngård skole | Trøndelag, Norway | 18 | 1 | 0 | 1996-09-18 |
| Husvik skole | Vestfold, Norway | 17 | 1 | 0 | 2000-11-07 |
| Fedje skule | Vestland, Norway | 17 | 1 | 0 | 1996-10-01 |
| Flø skule | Møre og Romsdal, Norway | 17 | 1 | 0 | 1995-09-19 |
| Vigra skule | Møre og Romsdal, Norway | 17 | 1 | 0 | 1995-10-17 |
| Hasund skule | Møre og Romsdal, Norway | 17 | 1 | 0 | 1995-10-17 |
| Ørnes ungdomsskole | Nordland, Norway | 16 | 1 | 0 | 1998-10-07 |
| Strandvik skule/Vinnes skule | Vestland, Norway | 16 | 1 | 0 | 1996-10-03 |
| Bergen Kristne grunnskole | Vestland, Norway | 16 | 1 | 0 | 2018-06-14 |
| Skjelnan skole | Troms, Norway | 16 | 1 | 0 | 2009-06-11 |
| Eide ungdomsskole | Møre og Romsdal, Norway | 15 | 1 | 0 | 1997-09-30 |
| Ramberg skole | Nordland, Norway | 15 | 1 | 0 | 1993-11-15 |
| Svelvik ungdomsskole | Buskerud, Norway | 15 | 1 | 0 | 1995-10-09 |
| Dale barneskole | Møre og Romsdal, Norway | 15 | 1 | 0 | 1994-12-01 |
| Alvestad skole | Troms, Norway | 15 | 1 | 0 | 1993-11-16 |
| Byskogen skole | Vestfold, Norway | 15 | 1 | 0 | 2000-09-26 |
| Lødingen ungdomsskole | Nordland, Norway | 15 | 1 | 0 | 1998-09-29 |
| Gosen skole | Rogaland, Norway | 14 | 1 | 0 | 1996-10-08 |
| Grytøy Oppvekstsenter/Avdeling skole | Troms, Norway | 14 | 1 | 0 | 1993-08-31 |
| Alsvåg barne- og ungdomsskole | Nordland, Norway | 14 | 1 | 0 | 1994-11-28 |
| Bjoa skule | Rogaland, Norway | 14 | 1 | 0 | 1993-10-27 |
| Melsom videregående skole | Vestfold, Norway | 14 | 1 | 0 | 1998-09-22 |
| Tofterøy skule | Vestland, Norway | 14 | 1 | 0 | 1996-11-01 |
| Stamnesdalen skole | Trøndelag, Norway | 13 | 1 | 0 | 1996-10-15 |
| Kvamsøy barne- og ungdomsskule | Møre og Romsdal, Norway | 13 | 1 | 0 | 1995-09-18 |
| Fjørtoft skule | Møre og Romsdal, Norway | 13 | 1 | 0 | 1993-10-29 |
| Sandøy skule | Møre og Romsdal, Norway | 13 | 1 | 0 | 1996-09-20 |
| Håland skole | Rogaland, Norway | 13 | 1 | 0 | 1995-09-21 |
| Færder videregående skole | Vestfold, Norway | 13 | 1 | 0 | 1997-10-10 |
| Kvaløysletta skole | Troms, Norway | 13 | 1 | 6 | 2019-09-20 |