Pteridium
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Stryn vidaregåande skule | Vestland, Norway | 3 | 1 | 1 | 2023-09-12 |
| Tonstad skule | Agder, Norway | 3 | 1 | 0 | 2010-06-11 |
| Ringve videregående skole | Trøndelag, Norway | 2 | 1 | 0 | 2006-05-22 |
| Hop skole | Vestland, Norway | 1 | 1 | 0 | 2010-10-12 |
| Kråkstad skole | Akershus, Norway | 1 | 1 | 0 | 2009-06-10 |
| Skolelaboratoriet i realfag, UiB | Vestland, Norway | 1 | 1 | 0 | 2012-09-12 |
| Sandgotna skole | Vestland, Norway | 1 | 1 | 0 | 2016-05-30 |
| Strandebarm skule | Vestland, Norway | 1 | 1 | 0 | 2023-10-03 |
| Frede Thorsheim | Vestland, Norway | 1 | 1 | 0 | 2023-06-03 |
| Helleland skole | Rogaland, Norway | 1 | 1 | 0 | 2014-09-29 |
| Stiftinga Sunnmøre Museum, avd. Sykkylven Naturhistoriske Museum | Møre og Romsdal, Norway | 1 | 1 | 0 | 2010-09-01 |
| Tertnes videregående skole | Vestland, Norway | 1 | 1 | 1 | 2015-08-31 |
| Universitetet i Bergen | Vestland, Norway | 1 | 1 | 1 | 2017-09-29 |
| Holmestrand videregående skole | Vestfold, Norway | 1 | 1 | 0 | 1989-09-06 |
| Sandsli videregående skole | Vestland, Norway | 1 | 1 | 0 | 2013-05-30 |