Selenia tetralunaria (Purple Thorn)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|
| Frode Falkenberg | Vestland, Norway | 44 | 1 | 10 | 2019-05-26 |
| Even Mjaaland | Rogaland, Norway | 24 | 1 | 8 | 2017-05-30 |
| Dag Øivind Ingierd | Akershus, Norway | 16 | 1 | 10 | 2022-05-14 |
| Svein Sellevold Bekkum | Nordland, Norway | 16 | 1 | 7 | 2021-05-15 |
| Ivar Stormo | Østfold, Norway | 13 | 1 | 3 | 2019-05-22 |
| Alf Tore Mjøs | Rogaland, Norway | 7 | 1 | 3 | 2019-05-19 |
| John Skartveit | Vestland, Norway | 5 | 1 | 1 | 2015-06-01 |
| Leiv Tommas Haugen | Rogaland, Norway | 4 | 1 | 0 | 2021-05-14 |
| Nils Rogn | Innlandet, Norway | 4 | 1 | 1 | 2021-06-25 |
| Kjell Mjølsnes | Rogaland, Norway | 3 | 1 | 1 | 2011-05-10 |
| Sveinung Sigbjørnsen | Vestland, Norway | 3 | 1 | 3 | 2016-05-28 |
| Anders Lundberg | Vestland, Norway | 2 | 1 | 0 | 2017-05-28 |
| Jonny Hals | Møre og Romsdal, Norway | 1 | 1 | 1 | 2018-05-09 |
| Kjell Tore Vogsland | Telemark, Norway | 1 | 1 | 1 | 2008-05-07 |
| Rune Voie | Vestland, Norway | 1 | 1 | 0 | 2010-05-29 |
| John Grønning | Rogaland, Norway | 1 | 1 | 0 | 2010-05-29 |
| Dag O. Bollingmo | Trøndelag, Norway | 1 | 1 | 2 | 2017-07-01 |
| Ola Moen | Vestland, Norway | 1 | 1 | 0 | 2016-05-22 |
| Eli Gates | Akershus, Norway | 1 | 1 | 1 | 2016-06-04 |
| Arne Åsheim | Telemark, Norway | 1 | 1 | 1 | 2010-05-22 |
| Eivind Nielsen | Rogaland, Norway | 1 | 1 | 0 | 2016-05-11 |
| Geirr O Pedersen | Akershus, Norway | 1 | 1 | 1 | 2011-05-12 |
| Christer Kamsvåg | Møre og Romsdal, Norway | 1 | 1 | 0 | 2018-05-26 |
| Tunballen skole | Agder, Norway | 1 | 1 | 0 | 2010-06-01 |