Rhodophyta (Red algae)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Ulvøysund | Agder, Norway | 2 | 2 | 0 | 2014-08-27 | |
| Uten navn | Vestfold, Norway | 17 | 1 | 0 | 1999-05-04 | |
| Uten navn | Agder, Norway | 2 | 1 | 0 | 1993-10-11 | |
| Uten navn | Rogaland, Norway | 4 | 1 | 0 | 1993-10-11 | |
| Uten navn | Vestfold, Norway | 4 | 1 | 0 | 1995-09-20 | |
| Uten navn | Nordland, Norway | 5 | 1 | 0 | 1993-11-15 | |
| Uten navn | Finnmark, Norway | 3 | 1 | 0 | 1993-10-08 | |
| V. Måsane | Akershus, Norway | 20 | 4 | 0 | 1996-09-17 | |
| Valderøy | Møre og Romsdal, Norway | 20 | 1 | 0 | 1996-10-17 | |
| Valderøy | Møre og Romsdal, Norway | 15 | 1 | 0 | 1995-09-15 | |
| Valen | Vestland, Norway | 9 | 3 | 9 | 2015-08-27 | |
| Vallø,Husvik | Vestfold, Norway | 69 | 1 | 0 | 2000-11-07 | |
| Valun,Sandvoll | Vestland, Norway | 2 | 1 | 0 | 1993-11-01 | |
| Vannareid | Troms, Norway | 4 | 1 | 0 | 1993-11-16 | |
| Vannøya | Vestfold, Norway | 77 | 1 | 0 | 2004-09-17 | |
| Vanvikan | Trøndelag, Norway | 11 | 1 | 0 | 1993-10-08 | |
| Vardanes | Vestland, Norway | 1 | 1 | 0 | 1994-10-20 | |
| vassenden | Innlandet, Norway | 1 | 1 | 0 | 2019-09-10 | |
| Vassøy | Rogaland, Norway | 27 | 1 | 0 | 1995-10-04 | |
| Vedavågen | Rogaland, Norway | 4 | 1 | 0 | 1994-11-25 | |
| Veierland | Vestfold, Norway | 4 | 1 | 0 | 2002-08-22 | |
| Verdens ende | Vestfold, Norway | 19 | 1 | 0 | 1997-10-09 | |
| Vergøy | Vestfold, Norway | 3 | 1 | 0 | 1996-09-10 | |
| Vesterhavna | Agder, Norway | 32 | 1 | 0 | 2010-11-04 | |
| Vesterøy | Vestfold, Norway | 17 | 1 | 0 | 1997-05-26 | |
| Vesterøya | Vestfold, Norway | 18 | 1 | 0 | 1996-09-26 | |
| Vesterøya | Vestfold, Norway | 30 | 1 | 0 | 2000-05-30 | |
| Vestfjord | Vestfold, Norway | 16 | 1 | 0 | 1995-10-01 | |
| Vestre | Møre og Romsdal, Norway | 3 | 1 | 0 | 1995-09-15 | |
| Vestre Åmøy | Rogaland, Norway | 1 | 1 | 0 | 1993-10-11 | |
| Vestrevika, Bildøyna | Vestland, Norway | 1 | 1 | 0 | 2020-08-28 | |
| Vevang | Møre og Romsdal, Norway | 9 | 1 | 0 | 1995-08-31 | |
| Viggja | Trøndelag, Norway | 1 | 1 | 0 | 1993-10-21 | |
| Vigra | Møre og Romsdal, Norway | 12 | 1 | 0 | 1995-10-17 | |
| Viste | Rogaland, Norway | 3 | 1 | 0 | 1994-12-05 | |
| Viste | Rogaland, Norway | 35 | 1 | 0 | 1996-10-02 | |
| Vågehamn | Nordland, Norway | 8 | 1 | 0 | 1995-10-12 | |
| York | Vestfold, Norway | 6 | 1 | 0 | 1994-11-10 | |
| Ytre Flosterøy | Agder, Norway | 29 | 1 | 0 | 1998-09-22 | |
| Ytre Ulvøya | Agder, Norway | 13 | 1 | 0 | 1994-12-09 | |
| Ytterøy | Trøndelag, Norway | 60 | 1 | 0 | 1997-09-23 | |
| Ølbergholmen | Vestfold, Norway | 41 | 1 | 0 | 1998-09-24 | |
| Ørskogvika | Møre og Romsdal, Norway | 15 | 1 | 0 | 1998-09-30 | |
| Østerhavna | Agder, Norway | 3 | 1 | 0 | 2011-09-08 | |
| Østerøya | Vestfold, Norway | 4 | 1 | 0 | 1994-11-10 | |
| Østre Halsen | Vestfold, Norway | 17 | 1 | 0 | 1996-10-16 | |
| Østre Kvaknes-Staubø | Agder, Norway | 14 | 1 | 0 | 1994-11-04 | |
| Øyane-Skeie | Rogaland, Norway | 3 | 1 | 0 | 1996-10-14 | |
| Åfarnes | Møre og Romsdal, Norway | 35 | 1 | 0 | 1995-09-27 | |
| Åfjord | Trøndelag, Norway | 5 | 1 | 0 | 1995-09-14 |