Littorina sp.
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Nordre Strand skole | Rogaland, Norway | 3 | 1 | 0 | 1995-10-02 |
| Sola skole | Rogaland, Norway | 3 | 1 | 0 | 1995-09-06 |
| Hasund skule | Møre og Romsdal, Norway | 3 | 1 | 0 | 1995-10-17 |
| Senjahopen skole | Troms, Norway | 3 | 1 | 0 | 1995-03-17 |
| Presterød ungdomsskole | Vestfold, Norway | 3 | 1 | 0 | 2000-09-05 |
| Fedje skule | Vestland, Norway | 3 | 1 | 0 | 1996-10-01 |
| Otterøy skole | Trøndelag, Norway | 3 | 1 | 0 | 1999-06-09 |
| Solerød Oppvekstsenter | Vestfold, Norway | 3 | 1 | 0 | 1998-09-21 |
| Ombo oppvekstsenter avdeling skule | Rogaland, Norway | 3 | 1 | 0 | 1996-05-29 |
| Bindalseidet Friskole Ba | Nordland, Norway | 3 | 1 | 0 | 1997-10-29 |
| Sjøholmen maritime senter | Akershus, Norway | 3 | 1 | 0 | 1996-09-11 |
| Malmheim skule | Rogaland, Norway | 2 | 1 | 0 | 1998-10-01 |
| Buøy skole | Rogaland, Norway | 2 | 1 | 0 | 1995-10-17 |
| Eide skole | Rogaland, Norway | 2 | 1 | 0 | 1996-10-16 |
| Grytestranda skule | Møre og Romsdal, Norway | 2 | 1 | 0 | 1998-05-05 |
| Innlandet skole | Møre og Romsdal, Norway | 2 | 1 | 0 | 1997-10-15 |
| Frosta skole | Trøndelag, Norway | 2 | 1 | 0 | 1995-06-12 |
| Porsgrunn videregående skole | Telemark, Norway | 2 | 1 | 2 | 2013-05-08 |
| Rødbøl skole | Vestfold, Norway | 2 | 1 | 0 | 1995-09-20 |
| Gausel skole | Rogaland, Norway | 2 | 1 | 0 | 1995-10-31 |
| Ytre Herøy ungdomsskule | Møre og Romsdal, Norway | 2 | 1 | 0 | 2013-05-23 |
| Gjerøy skole | Nordland, Norway | 2 | 1 | 0 | 1996-10-03 |
| Eltoft skole | Nordland, Norway | 2 | 1 | 0 | 1996-09-17 |
| Dalsbygda skule | Møre og Romsdal, Norway | 2 | 1 | 0 | 1996-09-18 |
| Kragerø barne- og ungdomsskole | Telemark, Norway | 2 | 1 | 0 | 1995-09-07 |
| Hadnesøya oppvekstsenter | Nordland, Norway | 2 | 1 | 0 | 1997-09-24 |
| Forskolen for sivile vernepliktige | Møre og Romsdal, Norway | 2 | 1 | 0 | 1997-10-01 |
| Austefjord skule | Møre og Romsdal, Norway | 2 | 1 | 0 | 1996-06-11 |
| Talgje skule | Rogaland, Norway | 2 | 1 | 0 | 1998-10-01 |
| Sola ungdomsskole | Rogaland, Norway | 1 | 1 | 0 | 1995-09-08 |
| Stend vidaregåande skule | Vestland, Norway | 1 | 1 | 0 | 1995-10-01 |
| Senja videregående skole | Troms, Norway | 1 | 1 | 0 | 2013-05-23 |
| Sund ungdomsskule | Vestland, Norway | 1 | 1 | 0 | 2007-08-31 |
| Geiranger skule | Møre og Romsdal, Norway | 1 | 1 | 0 | 1996-09-18 |
| Knappskog skule | Vestland, Norway | 1 | 1 | 0 | 2009-05-11 |
| Skien videregående skole/Avd Brekkeby | Telemark, Norway | 1 | 1 | 0 | 1995-09-20 |
| Falkensten skole | Vestfold, Norway | 1 | 1 | 0 | 1996-09-24 |
| Frydenberg videregående skole | Østfold, Norway | 1 | 1 | 0 | 1994-09-29 |
| Tjøme ungdomsskole | Vestfold, Norway | 1 | 1 | 0 | 2014-09-14 |
| Sem skole | Vestfold, Norway | 1 | 1 | 0 | 1996-09-24 |
| Oddemarka skole | Agder, Norway | 1 | 1 | 1 | 2013-06-03 |
| Kirkevoll barne- og ungdomsskole | Vestland, Norway | 1 | 1 | 0 | 2003-09-15 |
| Lysheim skole | Vestfold, Norway | 1 | 1 | 0 | 1996-10-11 |
| Øresvik skole | Nordland, Norway | 1 | 1 | 0 | 1995-10-26 |
| Berger skole | Buskerud, Norway | 1 | 1 | 0 | 1995-09-07 |
| Veierland skole | Vestfold, Norway | 1 | 1 | 0 | 1995-09-27 |