Order: Kalkalger (Corallinales)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Arendal | Agder, Norway | 1 | 1 | 1 | 2017-10-27 | |
| bertesbukta | Agder, Norway | 1 | 1 | 1 | 2013-06-03 | |
| Bjellanstrand | Agder, Norway | 1 | 1 | 1 | 2017-11-01 | |
| Drøbak | Akershus, Norway | 1 | 1 | 0 | 2004-05-04 | |
| Dybdalstrand | Agder, Norway | 2 | 1 | 2 | 2017-09-20 | |
| Elingaardskilen | Østfold, Norway | 1 | 1 | 0 | 1994-09-29 | |
| Englan | Nordland, Norway | 6 | 2 | 0 | 1997-04-11 | |
| Espegrend | Vestland, Norway | 6 | 2 | 0 | 2001-01-31 | |
| Espegrend | Vestland, Norway | 2 | 2 | 2 | 2014-04-07 | |
| Fjærholmen | Vestfold, Norway | 1 | 1 | 0 | 2018-09-07 | |
| Halsnøy Kloster | Vestland, Norway | 1 | 1 | 0 | 2019-05-23 | |
| Herdla | Vestland, Norway | 1 | 1 | 0 | 2008-06-17 | |
| Håkonshella | Vestland, Norway | 3 | 1 | 0 | 2015-10-15 | |
| håkonshella | Vestland, Norway | 2 | 1 | 0 | 2020-06-11 | |
| Håkonshellapollen | Vestland, Norway | 5 | 2 | 4 | 2018-06-12 | |
| Klippfiskberget | Troms, Norway | 1 | 1 | 0 | 2013-05-23 | |
| Korsvik | Vestfold, Norway | 1 | 1 | 0 | 2001-05-31 | |
| Melkeviken | Vestland, Norway | 1 | 1 | 0 | 2004-06-12 | |
| Mørkvedbukta, Fjæra | Nordland, Norway | 1 | 1 | 0 | 2014-09-18 | |
| pollen | Vestland, Norway | 1 | 1 | 0 | 2020-06-12 | |
| Risør til Hisøya | Agder, Norway | 1 | 1 | 1 | 2013-03-20 | |
| Sandholna | Vestland, Norway | 1 | 1 | 0 | 2019-05-24 | |
| Torvangerfjæra | Vestland, Norway | 2 | 2 | 0 | 2002-10-08 | |
| Valen | Vestland, Norway | 4 | 1 | 4 | 2014-06-05 | |