Perizoma alchemillata (Small Rivulet)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|
| Alf Tore Mjøs | Rogaland, Norway | 79 | 1 | 4 | 2023-06-29 |
| Svein Sellevold Bekkum | Nordland, Norway | 59 | 1 | 4 | 2018-06-10 |
| Even Mjaaland | Rogaland, Norway | 58 | 1 | 1 | 2017-07-23 |
| Ivar Stormo | Østfold, Norway | 53 | 1 | 2 | 2019-07-30 |
| Frode Falkenberg | Vestland, Norway | 39 | 1 | 6 | 2025-07-19 |
| Kjell Mjølsnes | Rogaland, Norway | 36 | 1 | 0 | 2017-07-22 |
| Øyvind Stickler | Vestfold, Norway | 32 | 1 | 15 | 2025-08-02 |
| Pål Mølnvik | Trøndelag, Norway | 23 | 1 | 3 | 2018-07-23 |
| Nils Rogn | Innlandet, Norway | 21 | 1 | 4 | 2024-06-28 |
| John Skartveit | Vestland, Norway | 17 | 1 | 2 | 2024-07-13 |
| Geirr O Pedersen | Akershus, Norway | 14 | 1 | 1 | 2011-07-26 |
| John Stenersen | Nordland, Norway | 14 | 1 | 11 | 2021-08-11 |
| Leiv Tommas Haugen | Rogaland, Norway | 13 | 1 | 0 | 2024-07-17 |
| Ola Moen | Vestland, Norway | 11 | 1 | 3 | 2015-08-23 |
| Lars Erik Johannessen | Østfold, Norway | 10 | 1 | 5 | 2015-08-23 |
| Dag O. Bollingmo | Trøndelag, Norway | 10 | 1 | 5 | 2016-07-08 |
| Christer Kamsvåg | Møre og Romsdal, Norway | 10 | 1 | 0 | 2017-08-04 |
| Olav Krogsæter | Vestland, Norway | 8 | 1 | 2 | 2015-08-23 |
| Eivind Nielsen | Rogaland, Norway | 5 | 1 | 0 | 2015-08-08 |
| Anders Lundberg | Vestland, Norway | 5 | 1 | 3 | 2018-07-18 |
| Ben van As | Innlandet, Norway | 3 | 1 | 0 | 2024-07-18 |
| Rune Voie | Vestland, Norway | 3 | 1 | 0 | 2012-07-17 |
| Egil Frantzen | Vestland, Norway | 2 | 1 | 1 | 2009-06-23 |
| Eli Gates | Akershus, Norway | 2 | 1 | 2 | 2016-07-23 |
| Trond S. Gimre | Agder, Norway | 2 | 1 | 1 | 2008-08-10 |
| John Grønning | Rogaland, Norway | 2 | 1 | 0 | 2010-07-11 |
| Michael Fredriksen | Vestland, Norway | 2 | 1 | 2 | 2014-07-05 |
| Trond Einar Brobakk | Trøndelag, Norway | 2 | 1 | 2 | 2012-07-28 |
| Fredrik Birkeland | Rogaland, Norway | 2 | 1 | 1 | 2016-06-07 |
| Sissel og Nigel Goodgame | Vestland, Norway | 2 | 1 | 1 | 2012-08-07 |
| Sveinung Sigbjørnsen | Vestland, Norway | 1 | 1 | 0 | 2016-07-16 |
| Dag Øivind Ingierd | Akershus, Norway | 1 | 1 | 1 | 2011-07-15 |
| Kjell Tore Vogsland | Telemark, Norway | 1 | 1 | 1 | 2006-07-10 |
| Bjørn M Andersen | Nordland, Norway | 1 | 1 | 1 | 2014-07-07 |
| Olav Julsrud | Oslo, Norway | 1 | 1 | 1 | 2011-07-28 |