Mytilus edulis
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Åndalsnes ungdomsskole | Møre og Romsdal, Norway | 61 | 1 | 0 | 1997-06-11 |
| Austbø skole | Rogaland, Norway | 60 | 1 | 0 | 1997-10-14 |
| Mellomhagen ungdomsskole | Vestfold, Norway | 60 | 1 | 0 | 1996-10-16 |
| Botngård skole | Trøndelag, Norway | 59 | 1 | 0 | 1996-09-18 |
| Vatne barneskule | Møre og Romsdal, Norway | 59 | 1 | 0 | 2002-05-31 |
| Kruge leirskole | Vestfold, Norway | 59 | 1 | 0 | 1996-10-10 |
| Byskogen skole | Vestfold, Norway | 58 | 1 | 0 | 2000-09-26 |
| Skånevik skule | Vestland, Norway | 57 | 1 | 0 | 1996-10-04 |
| Langangen skole | Telemark, Norway | 57 | 1 | 0 | 1999-10-08 |
| Nordstrand videregående skole | Oslo, Norway | 57 | 1 | 0 | 1996-10-21 |
| Feda skole | Agder, Norway | 57 | 1 | 0 | 1997-09-24 |
| Skarbo skole | Telemark, Norway | 55 | 1 | 0 | 1996-08-27 |
| Sunde skole | Agder, Norway | 55 | 1 | 0 | 1995-09-27 |
| Teigar ungdomsskole | Vestfold, Norway | 55 | 1 | 0 | 1995-10-01 |
| Grov skole | Troms, Norway | 54 | 1 | 1 | 2019-11-04 |
| Vesterøy skole | Vestfold, Norway | 54 | 1 | 0 | 1995-09-22 |
| Frostvedt skole | Vestfold, Norway | 53 | 1 | 0 | 2000-12-13 |
| Øyatun skule | Vestland, Norway | 53 | 1 | 0 | 1996-09-25 |
| Os skule | Vestland, Norway | 52 | 1 | 0 | 1995-10-17 |
| Harstad ungdomsskole | Troms, Norway | 52 | 1 | 0 | 1997-10-09 |
| Gjelsvik skule | Vestland, Norway | 51 | 1 | 0 | 1996-09-19 |
| Gosen skole | Rogaland, Norway | 50 | 1 | 0 | 1996-10-08 |
| Sande skole | Vestfold, Norway | 50 | 1 | 0 | 1995-09-28 |
| Granly skole | Vestfold, Norway | 50 | 1 | 0 | 1997-10-07 |
| Batnfjord skule | Møre og Romsdal, Norway | 50 | 1 | 0 | 1996-10-14 |
| Eydehavn skole | Agder, Norway | 50 | 1 | 0 | 1995-09-20 |
| Strand skole | Nordland, Norway | 49 | 1 | 0 | 1996-09-16 |
| Tofte ungdomsskole | Akershus, Norway | 48 | 1 | 0 | 2016-11-25 |
| Orerønningen ungdomsskole | Vestfold, Norway | 48 | 1 | 0 | 1995-09-19 |
| Sandbakken barne- og ungdomsskole | Østfold, Norway | 48 | 1 | 0 | 1995-09-25 |
| Færder videregående skole/Avd Korten | Vestfold, Norway | 47 | 1 | 0 | 1996-09-10 |
| Vevang Oppvekstsenter/Avdeling skole | Møre og Romsdal, Norway | 47 | 1 | 0 | 1995-08-31 |
| Innvik skule | Vestland, Norway | 47 | 1 | 0 | 1996-10-03 |
| Goa skole | Rogaland, Norway | 47 | 1 | 0 | 1996-10-02 |
| Ormestad skole | Vestfold, Norway | 45 | 1 | 0 | 1996-09-26 |
| Vassøy skole | Rogaland, Norway | 45 | 1 | 0 | 1995-10-04 |
| Vatne ungdomsskule | Møre og Romsdal, Norway | 45 | 1 | 0 | 1995-09-18 |
| Volden skole | Vestfold, Norway | 44 | 1 | 0 | 1998-10-06 |
| Åheim skule | Møre og Romsdal, Norway | 44 | 1 | 0 | 1997-10-08 |
| Valderøy barneskule | Møre og Romsdal, Norway | 44 | 1 | 0 | 1996-10-17 |
| Sandeid skule | Rogaland, Norway | 43 | 1 | 0 | 1997-10-15 |
| Svelvik ungdomsskole | Buskerud, Norway | 42 | 1 | 0 | 1995-10-09 |
| Gausetangen skole | Vestfold, Norway | 42 | 1 | 0 | 1998-09-18 |
| Nesheim skole | Agder, Norway | 41 | 1 | 0 | 1998-09-22 |
| Horten videregående skole/Avd Skippergata | Vestfold, Norway | 41 | 1 | 0 | 1998-10-08 |
| Vestbygd skole | Nordland, Norway | 40 | 1 | 0 | 1995-10-12 |
| Åfarnes Oppvekstsenter/Avd skole | Møre og Romsdal, Norway | 39 | 1 | 0 | 1995-09-27 |
| Bakkamyra barneskole | Møre og Romsdal, Norway | 38 | 1 | 0 | 1996-09-20 |
| Midsund skule | Møre og Romsdal, Norway | 38 | 1 | 0 | 1996-09-20 |
| Sodin skole | Trøndelag, Norway | 38 | 1 | 0 | 1995-06-07 |