Acrosiphoniales
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Skjelnan skole | Troms, Norway | 14 | 3 | 0 | 2009-06-11 |
| Kirkevoll barne- og ungdomsskole | Vestland, Norway | 3 | 1 | 0 | 2003-09-15 |
| Sæbø skule | Møre og Romsdal, Norway | 2 | 1 | 0 | 2001-09-12 |
| Sandnes skole | Agder, Norway | 2 | 1 | 1 | 2015-06-03 |
| Hundvåg skole | Rogaland, Norway | 1 | 1 | 0 | 1999-10-18 |
| Giske ungdomsskole | Rogaland, Norway | 1 | 1 | 0 | 2000-06-16 |