Rhodophyta (Red algae)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| foldnes | Vestland, Norway | 1 | 1 | 0 | 2006-04-21 | |
| Foldsæ fra hovedveien og opp til skogen | Telemark, Norway | 3 | 1 | 0 | 2008-05-14 | |
| Framnes | Vestfold, Norway | 12 | 1 | 0 | 1996-09-25 | |
| Frebergsvika | Vestfold, Norway | 3 | 1 | 0 | 1998-10-13 | |
| Frostvedt | Vestfold, Norway | 1 | 1 | 0 | 1993-11-04 | |
| Furulunden | Agder, Norway | 5 | 1 | 0 | 1993-10-15 | |
| Furuneset, Rubbestadneset | Vestland, Norway | 1 | 1 | 0 | 2017-09-14 | |
| Furøya | Agder, Norway | 6 | 1 | 0 | 1998-09-24 | |
| Fyllinga-Tivolistranda | Vestfold, Norway | 6 | 1 | 0 | 1998-09-23 | |
| Færvik-kilen | Agder, Norway | 14 | 1 | 0 | 1995-09-22 | |
| Førdesfjorden | Rogaland, Norway | 13 | 1 | 0 | 1994-11-28 | |
| Gandsfjord vest | Rogaland, Norway | 5 | 5 | 0 | 2000-05-09 | |
| Gandsfjorden | Rogaland, Norway | 5 | 1 | 0 | 1993-10-25 | |
| Gauselstraen | Rogaland, Norway | 4 | 1 | 0 | 1995-10-31 | |
| Giske | Møre og Romsdal, Norway | 34 | 1 | 0 | 1997-09-25 | |
| Gjelsvik | Vestland, Norway | 20 | 1 | 0 | 1996-09-19 | |
| Gjeving | Agder, Norway | 14 | 1 | 0 | 1997-10-01 | |
| Gottejord | Troms, Norway | 3 | 1 | 0 | 1993-10-26 | |
| Grefstadvika | Agder, Norway | 1 | 1 | 1 | 2014-09-04 | |
| Gressvik | Østfold, Norway | 4 | 1 | 0 | 1993-10-21 | |
| Grovfjord | Troms, Norway | 7 | 1 | 0 | 2004-09-30 | |
| Gryta | Møre og Romsdal, Norway | 1 | 1 | 0 | 1998-05-05 | |
| Grønskjæret | Vestland, Norway | 1 | 1 | 0 | 2019-05-21 | |
| Gunnesdal/Bjørnrå | Troms, Norway | 4 | 1 | 0 | 1993-09-27 | |
| Guriskj. | Vestfold, Norway | 31 | 1 | 0 | 1998-10-14 | |
| Haddal | Møre og Romsdal, Norway | 3 | 1 | 0 | 1997-09-26 | |
| Hafrsfjord | Rogaland, Norway | 53 | 1 | 0 | 1998-09-28 | |
| Hagland | Nordland, Norway | 5 | 1 | 0 | 1996-10-03 | |
| Halsnøy | Vestland, Norway | 23 | 1 | 0 | 1996-09-25 | |
| Halsnøy kloster | Vestland, Norway | 1 | 1 | 0 | 2019-05-23 | |
| Halsnøy Kloster | Vestland, Norway | 2 | 2 | 0 | 2019-05-23 | |
| Halten | Trøndelag, Norway | 3 | 3 | 0 | 1994-06-03 | |
| Hanøy | Vestland, Norway | 2 | 1 | 0 | 1995-10-11 | |
| Haramsøy | Møre og Romsdal, Norway | 19 | 1 | 0 | 1994-11-04 | |
| Harestuvannet | Akershus, Norway | 2 | 2 | 0 | 2000-09-06 | |
| Harøy | Møre og Romsdal, Norway | 40 | 1 | 0 | 1998-10-30 | |
| Hauknesfjæra | Nordland, Norway | 1 | 1 | 0 | 2015-09-01 | |
| Heissa | Møre og Romsdal, Norway | 12 | 1 | 0 | 1995-10-27 | |
| Helgeroafjorden | Vestfold, Norway | 4 | 1 | 0 | 1993-12-08 | |
| Hellandsjøen | Trøndelag, Norway | 1 | 1 | 0 | 1994-10-12 | |
| Hellestø/Sele | Rogaland, Norway | 3 | 1 | 0 | 1998-10-01 | |
| Herdla | Vestland, Norway | 1 | 1 | 0 | 2008-06-17 | |
| Herdla | Vestland, Norway | 17 | 1 | 0 | 1995-10-06 | |
| Hestvika | Trøndelag, Norway | 2 | 1 | 0 | 1995-01-02 | |
| Hetland | Rogaland, Norway | 1 | 1 | 0 | 1995-09-28 | |
| Hetlevik | Vestland, Norway | 4 | 1 | 0 | 1995-10-13 | |
| Hisøy | Agder, Norway | 26 | 1 | 0 | 1997-10-02 | |
| Hjelset | Møre og Romsdal, Norway | 2 | 1 | 0 | 1993-09-23 | |
| Hodne/Reve (Bore) | Rogaland, Norway | 7 | 1 | 0 | 1993-09-01 | |
| Holmavike | Rogaland, Norway | 33 | 2 | 0 | 2000-06-16 |