Species: Nut-tree Tussock (Colocasia coryli)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Andersbånnveien | Vestfold, Norway | 1 | 1 | 0 | 2014-06-09 | |
| Bakkeløkka | Akershus, Norway | 3 | 1 | 3 | 2018-05-31 | |
| Bandaksjøen | Telemark, Norway | 1 | 1 | 0 | 2009-06-27 | |
| Bandaksjøen | Telemark, Norway | 1 | 1 | 0 | 2009-06-27 | |
| Bekkum, Kvikneskogen | Innlandet, Norway | 26 | 1 | 13 | 2021-05-15 | |
| Bjerga. Hylsfjorden | Rogaland, Norway | 1 | 1 | 0 | 2016-06-08 | |
| Blindheim | Vestland, Norway | 4 | 1 | 0 | 2024-05-24 | |
| Bøleveien 18 | Vestfold, Norway | 3 | 1 | 3 | 2022-06-06 | |
| Dale | Rogaland, Norway | 2 | 1 | 0 | 2015-07-05 | |
| Dalen, Litleskare | Vestland, Norway | 1 | 1 | 1 | 2013-05-30 | |
| Drangedal | Telemark, Norway | 1 | 1 | 1 | 2009-05-26 | |
| Egenes | Agder, Norway | 16 | 1 | 1 | 2017-05-21 | |
| Eidsborg | Telemark, Norway | 3 | 1 | 0 | 2017-06-11 | |
| Erdal | Vestland, Norway | 1 | 1 | 0 | 2016-06-02 | |
| Espelandsveien | Rogaland, Norway | 1 | 1 | 0 | 2011-05-08 | |
| Fløyen | Vestland, Norway | 1 | 1 | 0 | 1999-05-16 | |
| Furehaugen, Skorpo | Vestland, Norway | 1 | 1 | 1 | 2016-06-05 | |
| Grindvoll i Lunner | Akershus, Norway | 1 | 1 | 0 | 2011-05-11 | |
| Grønnlien | Vestland, Norway | 19 | 1 | 4 | 2013-06-12 | |
| Gursli | Rogaland, Norway | 1 | 1 | 0 | 2014-04-29 | |
| Hetland | Rogaland, Norway | 2 | 1 | 1 | 2013-06-08 | |
| Holseker | Møre og Romsdal, Norway | 1 | 1 | 1 | 2024-05-25 | |
| Hosanger | Vestland, Norway | 5 | 1 | 1 | 2019-05-20 | |
| Hyttetomta, Svanes | Rogaland, Norway | 6 | 1 | 2 | 2011-05-10 | |
| Hølland | Rogaland, Norway | 4 | 1 | 3 | 2013-05-18 | |
| Håland | Rogaland, Norway | 1 | 1 | 0 | 2006-05-10 | |
| Hårlandsvatnet | Vestland, Norway | 1 | 1 | 0 | 2016-05-11 | |
| Håtong | Rogaland, Norway | 1 | 1 | 1 | 2014-05-28 | |
| Indre Boge | Vestland, Norway | 13 | 1 | 8 | 2024-05-25 | |
| Jeløya syd | Østfold, Norway | 1 | 1 | 0 | 2018-05-24 | |
| Jøriveien 19 | Møre og Romsdal, Norway | 2 | 1 | 1 | 2017-06-14 | |
| Kløvdalen, Kvikne | Innlandet, Norway | 1 | 1 | 0 | 2011-05-21 | |
| Kraftstasjonen, Eidsborg | Telemark, Norway | 1 | 1 | 0 | 2011-06-06 | |
| Langeli | Rogaland, Norway | 3 | 1 | 1 | 2009-06-03 | |
| Lauvik,Bandak | Telemark, Norway | 2 | 1 | 0 | 2011-06-05 | |
| Morland | Vestland, Norway | 7 | 1 | 4 | 2014-06-05 | |
| Morvik | Vestland, Norway | 9 | 1 | 7 | 2019-05-18 | |
| Mølen | Vestfold, Norway | 1 | 1 | 0 | 2012-05-27 | |
| Mølen | Vestfold, Norway | 1 | 1 | 0 | 2012-05-27 | |
| Nes | Vestland, Norway | 2 | 1 | 1 | 2012-05-27 | |
| NLA Lærerhøgskolen | Vestland, Norway | 1 | 1 | 1 | 2011-06-03 | |
| Nordvik | Vestland, Norway | 4 | 1 | 0 | 2021-05-22 | |
| Ognasanden | Rogaland, Norway | 2 | 1 | 0 | 2014-06-05 | |
| Olalia v. Ølen | Rogaland, Norway | 1 | 1 | 0 | 2014-04-22 | |
| Otteid (Storedal) | Østfold, Norway | 35 | 1 | 7 | 2019-05-26 | |
| Ousdal | Agder, Norway | 2 | 1 | 1 | 2010-07-10 | |
| Paradisskaret | Rogaland, Norway | 2 | 1 | 0 | 2013-06-11 | |
| Rolland | Vestland, Norway | 1 | 1 | 2 | 2008-05-25 | |
| Røyneberg | Rogaland, Norway | 1 | 1 | 1 | 2016-05-11 | |
| Skolten | Rogaland, Norway | 1 | 1 | 0 | 2019-05-22 | |