Xylena vetusta (Red Sword-grass)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|
| Leiv Tommas Haugen | Rogaland, Norway | 88 | 1 | 4 | 2023-11-06 |
| Svein Sellevold Bekkum | Nordland, Norway | 59 | 1 | 17 | 2019-04-29 |
| Alf Tore Mjøs | Rogaland, Norway | 33 | 1 | 6 | 2022-05-18 |
| Ivar Stormo | Østfold, Norway | 27 | 1 | 9 | 2019-05-11 |
| Olav Krogsæter | Vestland, Norway | 27 | 1 | 8 | 2015-05-01 |
| Dag Øivind Ingierd | Akershus, Norway | 24 | 1 | 10 | 2014-05-18 |
| Frode Falkenberg | Vestland, Norway | 15 | 1 | 7 | 2021-05-15 |
| Nils Rogn | Innlandet, Norway | 10 | 1 | 6 | 2019-04-21 |
| Dag L. Fjeldstad | Rogaland, Norway | 9 | 1 | 0 | 2014-03-29 |
| Even Mjaaland | Rogaland, Norway | 9 | 1 | 2 | 2016-09-19 |
| Dag O. Bollingmo | Trøndelag, Norway | 8 | 1 | 5 | 2016-10-05 |
| John Grønning | Rogaland, Norway | 5 | 1 | 0 | 2016-04-05 |
| Lars Erik Johannessen | Østfold, Norway | 4 | 1 | 3 | 2015-04-07 |
| Eivind Nielsen | Rogaland, Norway | 4 | 1 | 1 | 2023-10-11 |
| Pål Mølnvik | Trøndelag, Norway | 4 | 1 | 2 | 2022-09-25 |
| John Skartveit | Vestland, Norway | 3 | 1 | 1 | 2022-04-26 |
| Trond Einar Brobakk | Trøndelag, Norway | 3 | 1 | 1 | 2013-05-06 |
| Kjell Mjølsnes | Rogaland, Norway | 2 | 1 | 1 | 2010-09-12 |
| Frank Lyngvær | Trøndelag, Norway | 2 | 1 | 1 | 2021-04-15 |
| Peter Forseth | Trøndelag, Norway | 2 | 1 | 0 | 2017-09-24 |
| John Stenersen | Nordland, Norway | 2 | 1 | 1 | 2020-06-13 |
| Tom Roger Østerås | Trøndelag, Norway | 1 | 1 | 1 | 2018-09-01 |
| Anders Lundberg | Vestland, Norway | 1 | 1 | 1 | 2015-04-18 |
| Peter van der Ende | Telemark, Norway | 1 | 1 | 0 | 2015-04-08 |
| Kjell Meiningen | Oslo, Norway | 1 | 1 | 1 | 2017-05-07 |
| Truls Lerdahl | Vestland, Norway | 1 | 1 | 1 | 2016-05-06 |
| Vidar Espelien | Innlandet, Norway | 1 | 1 | 1 | 2022-09-18 |
| Pascale Baudonnel | Vestland, Norway | 1 | 1 | 3 | 2008-05-03 |
| Egil Frantzen | Vestland, Norway | 1 | 1 | 1 | 2008-09-28 |
| Kjell Tore Vogsland | Telemark, Norway | 1 | 1 | 1 | 2008-05-04 |
| Rune Voie | Vestland, Norway | 1 | 1 | 0 | 2011-04-30 |
| John Martin Mjelde | Oslo, Norway | 1 | 1 | 1 | 2007-04-27 |
| Jon | Vestland, Norway | 1 | 1 | 0 | 2009-09-11 |
| Marte Falkenberg | Vestland, Norway | 1 | 1 | 1 | 2009-04-26 |
| Ole Terland | Vestland, Norway | 1 | 1 | 2 | 2020-09-19 |
| Knut Ivar Steinsnes | Rogaland, Norway | 1 | 1 | 0 | 2011-04-29 |
| Spjelkavik, Wenche | Nordland, Norway | 1 | 1 | 1 | 2009-10-18 |
| Thomas Høyer Hansen | Møre og Romsdal, Norway | 1 | 1 | 0 | 2015-05-05 |
| Eli Gates | Akershus, Norway | 1 | 1 | 1 | 2016-05-09 |
| Magne Berland | Vestland, Norway | 1 | 1 | 0 | 2017-12-04 |
| Øyvind Stickler | Vestfold, Norway | 1 | 1 | 0 | 2022-04-21 |
| Olav Julsrud | Oslo, Norway | 1 | 1 | 2 | 2012-09-03 |
| Bjørn Pettersen | Innlandet, Norway | 1 | 1 | 1 | 2011-04-22 |
| Lucy Birgitte Liahjell | Agder, Norway | 1 | 1 | 1 | 2010-10-07 |
| Sissel og Nigel Goodgame | Vestland, Norway | 1 | 1 | 2 | 2013-05-18 |
| Geir Birkeland | Oslo, Norway | 1 | 1 | 1 | 2016-04-16 |
| Christer Kamsvåg | Møre og Romsdal, Norway | 1 | 1 | 0 | 2018-04-19 |