Rhizosolenia longiseta
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Vest-Lofoten videregående skole / Lofoten Maritime Fagskole | Nordland, Norway | 3 | 1 | 0 | 1993-09-07 |
| Elverum videregående skole | Innlandet, Norway | 3 | 1 | 0 | 1994-10-04 |
| Kirkeparken videregående skole | Østfold, Norway | 1 | 1 | 0 | 1989-09-04 |