Species: Skogrøyrkvein (Calamagrostis phragmitoides)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Finse forskningsstasjon - Jomfrunut | Vestland, Norway | 1 | 1 | 0 | 2010-08-11 | |
| Harestuvannet | Akershus, Norway | 1 | 1 | 0 | 1990-09-04 | |
| Kolbjørnviksjøen | Østfold, Norway | 1 | 1 | 0 | 1989-09-01 | |
| Storavatnet | Vestland, Norway | 1 | 1 | 0 | 1989-09-26 | |
| Tveitevannet | Vestland, Norway | 1 | 1 | 0 | 1989-09-07 |