Species: Hønsegras (Persicaria maculosa)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Bakketun | Innlandet, Norway | 3 | 1 | 0 | 2019-07-09 | |
| Estenstadmarka | Trøndelag, Norway | 2 | 1 | 0 | 2013-06-07 | |
| Helsetvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 2004-09-06 | |
| Hopsvannet | Vestland, Norway | 1 | 1 | 0 | 2012-09-24 | |
| Hustoft gnr. 150/4 | Rogaland, Norway | 9 | 2 | 0 | 2020-06-30 | |
| Mølledammen i Lomma 1 | Akershus, Norway | 1 | 1 | 0 | 2008-10-22 | |
| Opsangervatnet | Vestland, Norway | 2 | 1 | 0 | 1993-06-09 | |
| Radarstasjonen | Vestland, Norway | 1 | 1 | 0 | 2010-09-21 | |
| Rolfsbukta, Fornebu | Akershus, Norway | 1 | 1 | 0 | 2010-08-25 | |
| Sagåsen | Innlandet, Norway | 1 | 1 | 0 | 2013-07-07 | |
| Stavsjø | Innlandet, Norway | 1 | 1 | 0 | 1989-09-05 | |
| Storvatnet | Trøndelag, Norway | 1 | 1 | 0 | 2004-09-14 | |
| Storvatnet | Trøndelag, Norway | 1 | 1 | 0 | 2004-08-14 | |
| Tranevågen skule | Vestland, Norway | 1 | 1 | 0 | 2010-09-10 | |
| Vaksvik | Møre og Romsdal, Norway | 2 | 1 | 0 | 2020-07-07 | |