Family: Ålegrasfamilien (Zosteraceae)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Draget-Kvitnes | Møre og Romsdal, Norway | 3 | 1 | 0 | 1994-12-01 | |
| Drøbak | Akershus, Norway | 3 | 1 | 0 | 2004-05-04 | |
| Dvergsnestangen Ø | Agder, Norway | 7 | 1 | 0 | 1993-10-05 | |
| dybdal stranda | Agder, Norway | 1 | 1 | 1 | 2017-10-25 | |
| Dybdalstrand | Agder, Norway | 1 | 1 | 1 | 2015-05-27 | |
| Dyrnes | Møre og Romsdal, Norway | 13 | 1 | 0 | 1996-09-20 | |
| Dysjaland | Rogaland, Norway | 8 | 1 | 0 | 1996-09-24 | |
| Eide | Møre og Romsdal, Norway | 8 | 1 | 0 | 1997-09-30 | |
| Eidsvika | Vestland, Norway | 1 | 1 | 0 | 2003-05-15 | |
| Einarsneset | Agder, Norway | 5 | 1 | 0 | 1994-06-27 | |
| Erdal | Vestland, Norway | 2 | 1 | 0 | 1993-09-27 | |
| Erdal | Vestland, Norway | 1 | 1 | 0 | 1993-10-21 | |
| Eydehavn | Agder, Norway | 16 | 1 | 0 | 1995-09-20 | |
| Feda | Agder, Norway | 5 | 1 | 0 | 1996-09-26 | |
| Fedje | Vestland, Norway | 5 | 1 | 0 | 1993-10-13 | |
| Fevik | Agder, Norway | 20 | 1 | 0 | 1998-09-07 | |
| Figga-Sørlia-Frøset | Trøndelag, Norway | 1 | 1 | 0 | 1995-01-02 | |
| Filtvet | Akershus, Norway | 9 | 1 | 0 | 1995-05-24 | |
| Fiskåbygd | Møre og Romsdal, Norway | 9 | 1 | 0 | 1996-10-18 | |
| Fjæra på Skjelnan | Troms, Norway | 12 | 1 | 0 | 2009-06-11 | |
| Flakstad | Nordland, Norway | 3 | 1 | 0 | 1997-10-22 | |
| Flatevossen | Vestland, Norway | 1 | 1 | 0 | 2024-08-08 | |
| Florvåg | Vestland, Norway | 2 | 1 | 0 | 1994-03-09 | |
| Flø | Møre og Romsdal, Norway | 2 | 1 | 0 | 1993-10-22 | |
| Flørnes | Agder, Norway | 40 | 1 | 0 | 2001-10-08 | |
| Framnes | Vestfold, Norway | 10 | 1 | 0 | 1996-09-25 | |
| Frebergsvika | Vestfold, Norway | 14 | 1 | 0 | 1998-10-16 | |
| Furulunden | Agder, Norway | 6 | 1 | 0 | 1993-10-15 | |
| Furøya | Agder, Norway | 6 | 1 | 0 | 1998-09-24 | |
| Fyllinga-Tivolistranda | Vestfold, Norway | 6 | 1 | 0 | 1998-09-10 | |
| Fyrde | Møre og Romsdal, Norway | 1 | 1 | 0 | 1994-11-04 | |
| Færvik-kilen | Agder, Norway | 17 | 1 | 0 | 1995-09-22 | |
| Førdesfjorden | Rogaland, Norway | 17 | 1 | 0 | 1994-11-28 | |
| Gandsfjorden | Rogaland, Norway | 3 | 1 | 0 | 1993-10-25 | |
| Gauselstraen | Rogaland, Norway | 4 | 1 | 0 | 1995-10-31 | |
| Geiranger | Møre og Romsdal, Norway | 1 | 1 | 0 | 1993-09-21 | |
| Giske | Møre og Romsdal, Norway | 19 | 1 | 0 | 1997-09-25 | |
| Gjelsvik | Vestland, Norway | 14 | 1 | 0 | 1996-09-19 | |
| Gjeving | Agder, Norway | 20 | 1 | 0 | 1997-10-01 | |
| Gressvik | Østfold, Norway | 2 | 1 | 0 | 1993-10-21 | |
| Guriskj. | Vestfold, Norway | 29 | 1 | 0 | 1998-10-14 | |
| Haddal | Møre og Romsdal, Norway | 15 | 2 | 0 | 1997-09-26 | |
| Hafrsfjord | Rogaland, Norway | 46 | 1 | 0 | 1998-09-28 | |
| Hagland | Nordland, Norway | 1 | 1 | 0 | 1995-10-11 | |
| Halsnøy | Vestland, Norway | 21 | 1 | 0 | 1996-09-25 | |
| Haram | Møre og Romsdal, Norway | 15 | 1 | 0 | 1995-10-17 | |
| Haramsøy | Møre og Romsdal, Norway | 10 | 1 | 0 | 1994-11-04 | |
| Harøy | Møre og Romsdal, Norway | 30 | 1 | 0 | 1998-10-30 | |
| Heissa | Møre og Romsdal, Norway | 4 | 1 | 0 | 1995-10-27 | |
| Herdla | Vestland, Norway | 8 | 1 | 0 | 1994-10-20 | |
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