Ascophyllum nodosum
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Framnes | Vestfold, Norway | 6 | 1 | 0 | 1996-09-25 | |
| Frebergsvika | Vestfold, Norway | 5 | 1 | 0 | 1998-10-13 | |
| Fresvik | Vestland, Norway | 10 | 1 | 0 | 1993-10-28 | |
| Frostvedt | Vestfold, Norway | 1 | 1 | 0 | 1993-11-04 | |
| fuglvågen | Trøndelag, Norway | 1 | 1 | 0 | 2020-06-02 | |
| Furulunden | Agder, Norway | 4 | 1 | 0 | 1993-10-15 | |
| Furuneset, Rubbestadneset | Vestland, Norway | 3 | 1 | 0 | 2017-09-14 | |
| Furøya | Agder, Norway | 35 | 1 | 0 | 1998-09-24 | |
| Fyllinga-Tivolistranda | Vestfold, Norway | 2 | 1 | 0 | 1998-09-10 | |
| Fyrde | Møre og Romsdal, Norway | 15 | 1 | 0 | 1996-06-11 | |
| Færvik-kilen | Agder, Norway | 27 | 1 | 0 | 1995-09-22 | |
| Førdesfjorden | Rogaland, Norway | 29 | 1 | 0 | 1994-11-28 | |
| Galeiveien 1 4077 Hundvåg | Rogaland, Norway | 1 | 1 | 1 | 2018-09-29 | |
| Gandsfjorden | Rogaland, Norway | 7 | 1 | 0 | 1993-10-25 | |
| Gauselstraen | Rogaland, Norway | 4 | 1 | 0 | 1995-10-31 | |
| Giske | Møre og Romsdal, Norway | 41 | 1 | 0 | 1997-09-25 | |
| Gjelsvik | Vestland, Norway | 49 | 1 | 0 | 1996-09-19 | |
| Gjeving | Agder, Norway | 25 | 1 | 0 | 1997-10-01 | |
| Gottejord | Troms, Norway | 8 | 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 | 42 | 1 | 0 | 2019-10-31 | |
| Gryta | Møre og Romsdal, Norway | 1 | 1 | 0 | 1998-05-05 | |
| Grønhaugsvika | Rogaland, Norway | 1 | 1 | 1 | 2019-09-26 | |
| Grønskjæret | Vestland, Norway | 8 | 1 | 0 | 2019-05-28 | |
| Gunnesdal/Bjørnrå | Troms, Norway | 17 | 1 | 0 | 1993-09-27 | |
| Guriskj. | Vestfold, Norway | 6 | 1 | 0 | 1998-10-14 | |
| Gylteser | Vestfold, Norway | 2 | 1 | 0 | 2000-09-19 | |
| Haddal | Møre og Romsdal, Norway | 22 | 1 | 0 | 1997-09-26 | |
| Hafrsfjord | Rogaland, Norway | 59 | 1 | 0 | 1998-09-28 | |
| Hagland | Nordland, Norway | 6 | 1 | 0 | 1996-10-03 | |
| Halsnøy | Vestland, Norway | 41 | 1 | 0 | 1996-09-25 | |
| Halsnøy Kloster | Vestland, Norway | 1 | 1 | 0 | 2019-05-23 | |
| Halten | Trøndelag, Norway | 1 | 1 | 0 | 1994-06-03 | |
| Hamn, badeplassen | Vestland, Norway | 1 | 1 | 0 | 2014-05-06 | |
| Hanøy | Vestland, Norway | 11 | 1 | 0 | 1995-10-11 | |
| Haram | Møre og Romsdal, Norway | 17 | 1 | 0 | 1995-10-17 | |
| Haramsøy | Møre og Romsdal, Norway | 38 | 1 | 0 | 1994-11-04 | |
| Harøy | Møre og Romsdal, Norway | 67 | 1 | 0 | 1998-10-30 | |
| Hauknesfjæra | Nordland, Norway | 4 | 1 | 0 | 2016-09-19 | |
| Heissa | Møre og Romsdal, Norway | 8 | 1 | 0 | 1995-10-27 | |
| Hellandsjøen | Trøndelag, Norway | 4 | 1 | 0 | 1996-09-06 | |
| Hellestø/Sele | Rogaland, Norway | 1 | 1 | 0 | 1998-10-01 | |
| Helleøya | Agder, Norway | 9 | 1 | 0 | 1993-10-21 | |
| henrikdalen | Trøndelag, Norway | 1 | 1 | 0 | 2012-04-05 | |
| Herdla | Vestland, Norway | 31 | 1 | 0 | 1995-10-06 | |
| Herdla | Vestland, Norway | 2 | 1 | 0 | 2008-06-17 | |
| Hestvika | Trøndelag, Norway | 14 | 1 | 0 | 1995-01-02 | |
| Hetland | Rogaland, Norway | 5 | 1 | 0 | 1995-09-28 | |
| Hetlevik | Vestland, Norway | 8 | 1 | 0 | 1995-10-13 |