Ascophyllum nodosum
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Vesterøy skole | Vestfold, Norway | 26 | 1 | 0 | 1995-09-22 |
| Fiskå skule | Møre og Romsdal, Norway | 26 | 1 | 0 | 1996-10-18 |
| Gjeving skole | Agder, Norway | 25 | 1 | 0 | 1997-10-01 |
| Bleik skole | Nordland, Norway | 25 | 1 | 0 | 1997-10-22 |
| Vestskogen skole | Vestfold, Norway | 25 | 1 | 0 | 2001-05-21 |
| Engelsvika skole | Finnmark, Norway | 23 | 1 | 0 | 1995-09-14 |
| Leira skole | Møre og Romsdal, Norway | 23 | 1 | 0 | 1996-09-25 |
| Vigra skule | Møre og Romsdal, Norway | 23 | 1 | 0 | 1995-10-17 |
| Eydehavn skole | Agder, Norway | 23 | 1 | 0 | 1995-09-20 |
| Avaldsnes skole | Rogaland, Norway | 22 | 1 | 0 | 1995-10-20 |
| Berge ungdomsskole | Agder, Norway | 22 | 1 | 0 | 1995-11-01 |
| Selje skule | Vestland, Norway | 22 | 1 | 0 | 1995-09-21 |
| Nore Øyane skule | Vestland, Norway | 22 | 1 | 0 | 1996-09-18 |
| Haddal skule | Møre og Romsdal, Norway | 22 | 1 | 0 | 1997-09-26 |
| Buøy skole | Rogaland, Norway | 22 | 1 | 0 | 2000-09-13 |
| Flosta skole | Agder, Norway | 22 | 1 | 0 | 1994-11-04 |
| Eide ungdomsskole | Møre og Romsdal, Norway | 22 | 1 | 0 | 1997-09-30 |
| Kvamsøy barne- og ungdomsskule | Møre og Romsdal, Norway | 21 | 1 | 0 | 1995-09-18 |
| Ringshaug ungdomsskole | Vestfold, Norway | 21 | 1 | 0 | 1997-09-26 |
| Vestrefjord skule | Møre og Romsdal, Norway | 21 | 1 | 0 | 1996-10-18 |
| Lødingen ungdomsskole | Nordland, Norway | 20 | 1 | 0 | 1998-09-29 |
| Orerønningen ungdomsskole | Vestfold, Norway | 20 | 1 | 0 | 1995-09-19 |
| Bergen Kristne grunnskole | Vestland, Norway | 20 | 1 | 0 | 2018-06-14 |
| Åstveit skole | Vestland, Norway | 20 | 1 | 0 | 1995-09-20 |
| Tofterøy skule | Vestland, Norway | 20 | 1 | 0 | 1996-11-01 |
| Sæbø skule | Møre og Romsdal, Norway | 19 | 1 | 0 | 2006-09-29 |
| Moltemyr skole | Agder, Norway | 19 | 1 | 0 | 1997-10-14 |
| Fedje skule | Vestland, Norway | 19 | 1 | 0 | 1996-10-01 |
| Lindhøy skole | Vestfold, Norway | 19 | 1 | 0 | 1994-11-30 |
| Hasund skule | Møre og Romsdal, Norway | 19 | 1 | 0 | 1995-10-17 |
| Olden skule | Vestland, Norway | 19 | 1 | 0 | 1994-11-03 |
| Lillesand ungdomsskole | Agder, Norway | 19 | 1 | 0 | 1994-10-17 |
| Granly skole | Vestfold, Norway | 19 | 1 | 0 | 1996-09-17 |
| Gausetangen skole | Vestfold, Norway | 19 | 1 | 0 | 1998-09-18 |
| Oksvoll skole | Trøndelag, Norway | 19 | 1 | 0 | 2001-10-19 |
| Grindløkken skole | Vestfold, Norway | 19 | 1 | 0 | 1996-09-19 |
| Hvasser barneskole | Vestfold, Norway | 19 | 1 | 0 | 1994-11-30 |
| Lillås skole | Vestfold, Norway | 18 | 1 | 0 | 1998-09-17 |
| Træleborg skole | Vestfold, Norway | 18 | 1 | 0 | 1999-09-30 |
| Lepsøy skule | Møre og Romsdal, Norway | 18 | 1 | 0 | 1996-09-20 |
| Feda skole | Agder, Norway | 18 | 1 | 0 | 1997-09-24 |
| Tjodalyng ungdomsskole | Vestfold, Norway | 17 | 1 | 0 | 1997-09-16 |
| Flø skule | Møre og Romsdal, Norway | 17 | 1 | 0 | 1995-09-19 |
| Ørnes ungdomsskole | Nordland, Norway | 17 | 1 | 0 | 1998-10-07 |
| Tingvoll barne- og ungdomsskole | Møre og Romsdal, Norway | 17 | 1 | 0 | 1994-09-14 |
| Strengelvåg skole | Nordland, Norway | 17 | 1 | 0 | 1995-06-08 |
| Levangsheia skole | Telemark, Norway | 17 | 1 | 0 | 1995-10-06 |
| Alvestad skole | Troms, Norway | 17 | 1 | 0 | 1993-11-16 |
| Kringsjå skole | Agder, Norway | 17 | 1 | 0 | 1994-12-01 |
| Grytøy Oppvekstsenter/Avdeling skole | Troms, Norway | 17 | 1 | 0 | 1993-08-31 |