Species: Kysttjønnaks (Potamogeton polygonifolius)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Håskjoldtjern | Møre og Romsdal, Norway | 1 | 1 | 0 | 1994-11-23 | |
| Pytt ved Strand gård | Trøndelag, Norway | 1 | 1 | 0 | 2004-08-14 | |
| Rossevatn | Rogaland, Norway | 1 | 1 | 0 | 1989-09-06 |