Zosteraceae
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Tromøy ungdomsskole | Agder, Norway | 126 | 1 | 0 | 2005-09-22 |
| Melsom videregående skole | Vestfold, Norway | 82 | 1 | 0 | 1998-09-22 |
| Store Bergan skole | Vestfold, Norway | 80 | 1 | 0 | 2014-09-01 |
| Varden ungdomsskole | Vestfold, Norway | 72 | 1 | 0 | 2000-05-30 |
| Færder videregående skole | Vestfold, Norway | 71 | 1 | 0 | 1999-10-22 |
| Tingsaker skole | Agder, Norway | 67 | 1 | 0 | 2001-10-08 |
| Ranvik ungdomsskole | Vestfold, Norway | 53 | 1 | 0 | 1997-10-09 |
| Myklebust skule | Møre og Romsdal, Norway | 52 | 1 | 0 | 1997-10-09 |
| Samfundets skole Egersund | Rogaland, Norway | 49 | 1 | 0 | 2023-09-26 |
| Vestskogen skole | Vestfold, Norway | 49 | 1 | 0 | 2001-05-21 |
| Berg skole | Vestfold, Norway | 48 | 1 | 0 | 1997-09-24 |
| Hårkollen skole | Vestfold, Norway | 48 | 1 | 0 | 1998-09-24 |
| Brunla ungdomsskole | Vestfold, Norway | 48 | 1 | 0 | 1999-09-29 |
| Borgheim ungdomsskole | Vestfold, Norway | 47 | 1 | 0 | 1998-09-21 |
| Hafrsfjord skole | Rogaland, Norway | 46 | 1 | 0 | 1998-09-28 |
| Ytterøy skole | Trøndelag, Norway | 46 | 1 | 0 | 1997-09-23 |
| Jordet skole | Vestfold, Norway | 42 | 1 | 0 | 2008-09-11 |
| Vesterøy skole | Vestfold, Norway | 41 | 1 | 0 | 1995-09-22 |
| Kirkevoll skole | Vestfold, Norway | 40 | 1 | 0 | 2001-09-18 |
| Tjodalyng ungdomsskole | Vestfold, Norway | 38 | 1 | 0 | 1997-09-16 |
| Mesterfjellet ungdomsskole | Vestfold, Norway | 38 | 1 | 0 | 1998-09-24 |
| Husvik skole | Vestfold, Norway | 38 | 1 | 0 | 1999-09-10 |
| Stinta skole barne- og Ungdomstrinnet | Agder, Norway | 38 | 2 | 3 | 2013-09-02 |
| Helgerød skole | Vestfold, Norway | 36 | 1 | 0 | 1998-09-17 |
| Frydenlund skole | Nordland, Norway | 35 | 1 | 0 | 1998-11-24 |
| Grødem skole | Rogaland, Norway | 35 | 1 | 0 | 1997-10-14 |
| Torød skole | Vestfold, Norway | 33 | 1 | 0 | 1999-09-29 |
| Stokke ungdomsskole | Vestfold, Norway | 32 | 1 | 0 | 2001-05-08 |
| Blomdalen ungdomsskole | Agder, Norway | 32 | 1 | 0 | 1995-09-21 |
| Ringshaug ungdomsskole | Vestfold, Norway | 32 | 1 | 0 | 1997-09-26 |
| Grindløkken skole | Vestfold, Norway | 31 | 1 | 0 | 1996-09-19 |
| Harøy skule | Møre og Romsdal, Norway | 30 | 1 | 0 | 1998-10-30 |
| Brentemoen skole | Agder, Norway | 29 | 1 | 0 | 1997-10-02 |
| Austbø skole | Rogaland, Norway | 29 | 1 | 0 | 1997-10-14 |
| Hvaler ungdomsskole | Østfold, Norway | 29 | 1 | 0 | 1996-09-25 |
| Liland skole | Nordland, Norway | 28 | 1 | 0 | 2004-10-05 |
| Sjøholt skule | Møre og Romsdal, Norway | 26 | 2 | 0 | 1998-09-30 |
| Granly skole | Vestfold, Norway | 25 | 1 | 0 | 1997-10-07 |
| Strandvik skule/Vinnes skule | Vestland, Norway | 24 | 1 | 0 | 1996-10-03 |
| Sandbakken barne- og ungdomsskole | Østfold, Norway | 23 | 1 | 0 | 1995-09-25 |
| Færder videregående skole/Avd Korten | Vestfold, Norway | 23 | 1 | 0 | 1996-09-10 |
| Gosen skole | Rogaland, Norway | 22 | 1 | 0 | 1996-10-08 |
| Alvheim skule | Vestland, Norway | 21 | 1 | 0 | 1997-10-06 |
| Træleborg skole | Vestfold, Norway | 21 | 1 | 0 | 1999-09-30 |
| Kruge leirskole | Vestfold, Norway | 21 | 1 | 0 | 1996-10-10 |
| Goa skole | Rogaland, Norway | 21 | 1 | 0 | 1996-10-02 |
| Øyatun skule | Vestland, Norway | 21 | 1 | 0 | 1996-09-25 |
| Sandeåsen skole | Vestfold, Norway | 20 | 1 | 0 | 1997-10-09 |
| Fjære barneskole | Agder, Norway | 20 | 1 | 0 | 1998-09-07 |
| Åfarnes Oppvekstsenter/Avd skole | Møre og Romsdal, Norway | 20 | 1 | 0 | 1995-09-27 |