Species: Common reed (Phragmites australis)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Abbortjernet | Innlandet, Norway | 1 | 1 | 0 | 1989-08-22 | |
| Akersvannet | Vestfold, Norway | 2 | 1 | 0 | 1989-09-15 | |
| Bergemsvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1994-10-11 | |
| Burudvann | Akershus, Norway | 1 | 1 | 0 | 1991-09-12 | |
| Dælivannet | Akershus, Norway | 1 | 1 | 0 | 1989-08-04 | |
| Floen | Vestland, Norway | 1 | 1 | 0 | 1994-11-24 | |
| Frøylandsvatnet | Rogaland, Norway | 6 | 1 | 0 | 1993-06-01 | |
| Fæbydammen | Trøndelag, Norway | 2 | 1 | 0 | 2003-09-12 | |
| Gjerdsetvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 2001-08-30 | |
| Gjerstadvannet | Agder, Norway | 1 | 1 | 0 | 2005-11-10 | |
| Glitredammen | Akershus, Norway | 3 | 1 | 0 | 2006-09-14 | |
| Granavatnet | Trøndelag, Norway | 4 | 1 | 0 | 1997-09-04 | |
| Gravdalsvatnet | Vestland, Norway | 1 | 1 | 0 | 1989-09-18 | |
| Grindheimsvatnet | Agder, Norway | 1 | 1 | 0 | 1989-09-19 | |
| Grunningen | Innlandet, Norway | 1 | 1 | 0 | 2012-09-20 | |
| Gullerudtjern | Buskerud, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Gårdsdam - Hvam vgs. | Akershus, Norway | 1 | 1 | 0 | 2000-06-07 | |
| Hammervatnet | Trøndelag, Norway | 1 | 1 | 0 | 1989-10-08 | |
| Haukvatnet | Trøndelag, Norway | 2 | 1 | 0 | 2013-06-05 | |
| Hestsjøen | Trøndelag, Norway | 2 | 1 | 0 | 2004-09-23 | |
| Hjelteryggen Porsvegen 3 | Vestland, Norway | 1 | 1 | 0 | 2010-09-19 | |
| Hjørungdalsvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1989-09-06 | |
| Hostadvatnet | Møre og Romsdal, Norway | 3 | 1 | 0 | 1993-06-16 | |
| Høknesøra | Trøndelag, Norway | 1 | 1 | 0 | 2005-12-01 | |
| Illestadvatnet | Vestfold, Norway | 1 | 1 | 1 | 2010-09-30 | |
| Jarenvannet | Innlandet, Norway | 2 | 1 | 0 | 1992-09-17 | |
| Jegersborgdammen | Oslo, Norway | 1 | 1 | 0 | 1989-09-06 | |
| Jåbekkvannet | Agder, Norway | 1 | 1 | 0 | 1991-06-11 | |
| Kjemsjøen | Innlandet, Norway | 1 | 1 | 0 | 1989-09-14 | |
| Kolbjørnviksjøen | Østfold, Norway | 2 | 1 | 0 | 1990-08-29 | |
| Kolbotnvannet | Akershus, Norway | 1 | 1 | 0 | 1990-09-25 | |
| Koltjønna | Trøndelag, Norway | 4 | 1 | 0 | 1992-08-27 | |
| Korssjøen | Vestfold, Norway | 6 | 1 | 0 | 1997-09-09 | |
| Kruktjønna | Trøndelag, Norway | 1 | 1 | 0 | 1991-08-28 | |
| Krussætertjern | Østfold, Norway | 2 | 1 | 0 | 2000-09-08 | |
| Kvitblikkvannet | Nordland, Norway | 6 | 1 | 0 | 1993-09-02 | |
| Ledengstjern | Østfold, Norway | 1 | 1 | 0 | 1994-05-27 | |
| Lianvatnet | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-04 | |
| Liavatnet | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-19 | |
| Litjvatnet | Trøndelag, Norway | 1 | 1 | 0 | 2004-08-14 | |
| Litjvatnet | Trøndelag, Norway | 1 | 1 | 0 | 2004-09-14 | |
| Litlevatn | Møre og Romsdal, Norway | 2 | 1 | 0 | 1994-09-07 | |
| Litlvatnet | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Ljøgodttjern | Akershus, Norway | 1 | 1 | 0 | 1989-09-21 | |
| Longvatnet | Rogaland, Norway | 3 | 1 | 0 | 1990-09-28 | |
| Maltjern | Akershus, Norway | 1 | 1 | 0 | 1992-06-23 | |
| Midsjøvannet | Akershus, Norway | 1 | 1 | 0 | 1989-09-21 | |
| Mosvatnet | Rogaland, Norway | 2 | 1 | 0 | 1994-11-25 | |
| Myklavatnet | Vestland, Norway | 1 | 1 | 0 | 1990-09-25 | |
| Nitelva ved Smedstusvingen | Akershus, Norway | 1 | 1 | 0 | 2013-06-07 |