Arenaria
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| NOF Hordaland | Vestland, Norway | 2 | 1 | 0 | 2005-03-10 |
| kjell egil jordahl | Møre og Romsdal, Norway | 2 | 1 | 0 | 2016-01-26 |
| Rut Helene Langebrekke Nilsen | Trøndelag, Norway | 1 | 1 | 0 | 2010-01-31 |
| Elin Trollerud | Møre og Romsdal, Norway | 1 | 1 | 0 | 2022-01-24 |
| ellen westlye | Rogaland, Norway | 1 | 1 | 0 | 2020-01-26 |
| Johnny Hoem | Møre og Romsdal, Norway | 1 | 1 | 0 | 2018-03-31 |