Sparganium minimum
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Hadsel videregående skole/Stokmarknes | Nordland, Norway | 1 | 1 | 0 | 1989-09-18 |
| Kopervik videregående skole | Rogaland, Norway | 1 | 1 | 0 | 1989-09-06 |
| Farris videregående skole | Vestfold, Norway | 1 | 1 | 0 | 1996-09-25 |