Desmidium swartzii
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Vest-Lofoten videregående skole / Lofoten Maritime Fagskole | Nordland, Norway | 3 | 1 | 0 | 1991-09-04 |
| Fusa videregående skole | Vestland, Norway | 1 | 1 | 0 | 1990-09-18 |
| Kopervik videregående skole | Rogaland, Norway | 1 | 1 | 0 | 1991-09-17 |