Genus: Takrørslekta (Phragmites)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Nøklevann | Oslo, Norway | 1 | 1 | 0 | 1989-09-15 | |
| Opsangervatnet | Vestland, Norway | 1 | 1 | 0 | 1989-09-25 | |
| Parken ungdomsskole | Nordland, Norway | 1 | 1 | 1 | 2022-09-19 | |
| Rossevatn | Rogaland, Norway | 1 | 1 | 0 | 1989-09-06 | |
| Rørvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1989-10-11 | |
| Sillongen | Innlandet, Norway | 1 | 1 | 0 | 1989-09-14 | |
| Skarvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Skinnarvatnet | Agder, Norway | 1 | 1 | 0 | 2002-06-15 | |
| Stavsjø | Innlandet, Norway | 2 | 1 | 0 | 1989-09-05 | |
| Stensrudtjern | Oslo, Norway | 1 | 1 | 0 | 1989-09-21 | |
| Stokkavatnet | Rogaland, Norway | 1 | 1 | 0 | 1994-09-08 | |
| Stokkevannet | Telemark, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Storavatnet | Vestland, Norway | 1 | 1 | 0 | 1989-09-26 | |
| Svanevatnet | Rogaland, Norway | 1 | 1 | 0 | 1989-09-04 | |
| Svartputten | Oslo, Norway | 1 | 1 | 0 | 2003-06-06 | |
| Sæbyvannet | Østfold, Norway | 1 | 1 | 0 | 2002-05-30 | |
| Tornesvatnet | Rogaland, Norway | 1 | 1 | 0 | 1989-09-07 | |
| Tretjønnet | Agder, Norway | 1 | 1 | 0 | 1989-09-27 | |
| Tømmervatnet | Troms, Norway | 1 | 1 | 0 | 1993-09-17 | |
| Ulfsbakktjønn | Vestfold, Norway | 3 | 1 | 0 | 1997-09-16 | |
| vatn vatnet | Nordland, Norway | 1 | 1 | 0 | 2004-08-30 | |
| Vikerauntjønna | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-19 | |
| Øksnevadtjørna | Rogaland, Norway | 1 | 1 | 0 | 1994-11-23 | |
| Årungen | Akershus, Norway | 2 | 1 | 0 | 1991-09-16 | |
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