Halosiphon
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Porsgrunn videregående skole | Telemark, Norway | 1 | 1 | 1 | 2013-05-08 |
| Stinta skole barne- og Ungdomstrinnet | Agder, Norway | 1 | 1 | 1 | 2013-05-13 |
| Sandnes skole | Agder, Norway | 1 | 1 | 1 | 2016-06-08 |
| Cato Tandberg | Oslo, Norway | 1 | 1 | 0 | 2010-08-25 |