Pelvetia canaliculata (Chanelled Wrack)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Viggja Oppvekstsenter/Avdeling skole | Trøndelag, Norway | 5 | 1 | 0 | 1993-10-21 |
| Sande skole | Vestfold, Norway | 5 | 1 | 0 | 1995-09-28 |
| Meløy oppvekstsenter avd skole | Nordland, Norway | 4 | 1 | 0 | 1995-09-14 |
| Herøy vidaregående skule | Møre og Romsdal, Norway | 4 | 1 | 0 | 1994-11-04 |
| Bindalseidet Friskole Ba | Nordland, Norway | 4 | 1 | 0 | 1997-10-29 |
| Skarbo skole | Telemark, Norway | 4 | 1 | 0 | 1996-08-27 |
| Flosta skole | Agder, Norway | 4 | 1 | 0 | 1994-11-04 |
| Haga skole | Rogaland, Norway | 4 | 1 | 0 | 1993-09-28 |
| Eide skole | Rogaland, Norway | 4 | 1 | 0 | 1994-11-25 |
| Tau skole | Rogaland, Norway | 4 | 1 | 0 | 1993-11-22 |
| Stokkastrand skole | Rogaland, Norway | 4 | 1 | 0 | 1995-10-03 |
| Hjørungavåg skule | Møre og Romsdal, Norway | 4 | 1 | 0 | 1993-11-08 |
| Ogna skule | Rogaland, Norway | 4 | 1 | 0 | 1996-09-26 |
| Manger skule | Vestland, Norway | 4 | 1 | 0 | 1993-10-18 |
| Tananger ungdomsskole | Rogaland, Norway | 4 | 1 | 0 | 1995-09-08 |
| Stinta skole barne- og Ungdomstrinnet | Agder, Norway | 4 | 1 | 1 | 2013-05-13 |
| Indre Hafslo skule | Vestland, Norway | 4 | 1 | 0 | 1996-10-18 |
| Hetland skole | Rogaland, Norway | 4 | 1 | 0 | 1995-09-28 |
| Sundøy skole | Nordland, Norway | 4 | 1 | 0 | 1993-10-26 |
| Roaldsøy skole | Rogaland, Norway | 4 | 1 | 0 | 1993-10-11 |
| Lysheim skole | Vestfold, Norway | 4 | 1 | 0 | 2000-11-30 |
| Gausel skole | Rogaland, Norway | 4 | 1 | 0 | 1995-10-31 |
| Torjulvågen skole | Møre og Romsdal, Norway | 4 | 1 | 0 | 1996-09-20 |
| Randaberg videregående skole | Rogaland, Norway | 4 | 1 | 0 | 2023-06-02 |
| Skolelaboratoriet i realfag, UiB | Vestland, Norway | 4 | 1 | 4 | 2016-09-05 |
| Ytrebygda skole | Vestland, Norway | 4 | 1 | 1 | 2019-05-24 |
| Hvalstad skole | Akershus, Norway | 4 | 1 | 0 | 2017-09-20 |
| Ferkingstad skole | Rogaland, Norway | 3 | 1 | 0 | 1998-11-20 |
| Sande ungdomsskole | Vestfold, Norway | 3 | 1 | 0 | 1997-09-18 |
| Gottesjord skole | Troms, Norway | 3 | 1 | 0 | 1993-10-26 |
| Volden skole | Vestfold, Norway | 3 | 1 | 0 | 1996-09-26 |
| Stordal skule | Møre og Romsdal, Norway | 3 | 1 | 0 | 1993-11-29 |
| Sør-Tverrfjord skole | Finnmark, Norway | 3 | 1 | 0 | 1994-11-04 |
| Selvik skole | Vestfold, Norway | 3 | 1 | 0 | 1998-09-10 |
| Skeie skole | Rogaland, Norway | 3 | 1 | 0 | 1998-06-09 |
| Rødskog skole | Buskerud, Norway | 3 | 1 | 0 | 1994-11-30 |
| Høvåg skole | Agder, Norway | 3 | 1 | 0 | 1995-10-09 |
| Leonie Johann | Nordland, Norway | 3 | 1 | 0 | 2014-10-23 |
| Myra skole | Agder, Norway | 3 | 1 | 0 | 1993-10-11 |
| Øresvik skole | Nordland, Norway | 3 | 1 | 0 | 1995-10-26 |
| Nord-Vedstrand skole | Nordland, Norway | 3 | 1 | 0 | 1994-11-29 |
| Eiksund skule | Møre og Romsdal, Norway | 3 | 1 | 0 | 1994-10-03 |
| Helgerød skole | Vestfold, Norway | 3 | 1 | 0 | 1998-09-17 |
| Farsund ungdomsskole | Agder, Norway | 3 | 1 | 0 | 1994-06-27 |
| Eltoft skole | Nordland, Norway | 3 | 1 | 0 | 1996-09-17 |
| Ekeberg skole | Vestfold, Norway | 3 | 1 | 0 | 1994-12-01 |
| Sørvær Oppvekstsenter/Avdeling skole | Finnmark, Norway | 3 | 1 | 0 | 1993-10-26 |
| Larkollen skole | Østfold, Norway | 3 | 1 | 0 | 1994-11-04 |
| Føynland skole | Vestfold, Norway | 3 | 1 | 0 | 2018-09-07 |
| Sandar videregående skole | Vestfold, Norway | 3 | 1 | 0 | 1993-09-17 |