| Species | Name Used |
|---|---|
| Petalonia zosterifolia (Reinke) Kuntze | Petalonia zosterifolia (p. ) |
| Porphyra linearis Greville | Porphyra linearis (p. ) |
| Porphyra umbilicalis (Linnaeus) Kützing | Porphyra umbilicalis (p. ) |
| Prasiola stipitata Suhr ex Jessen | Prasiola stipitata (p. ) |
| Pylaiella littoralis (Linnaeus) Kjellman | Pylaiella littoralis (p. ) |
| Ralfsia fungiformis (Gunnerus) Setchell & N.L. Gardner | Ralfsia fungiformis (p. ) |
| Rhodomela lycopodioides (Linnaeus) C. Agardh | Rhodomela lycopodioides (p. ) |
| Scytosiphon lomentaria (Lyngbye) Link, nom. cons. | Scytosiphon lomentaria (p. ) |
| Sphacelaria radicans (Dillwyn) Harvey | Sphacelaria radicans (p. ) |
| Spongonema tomentosum (Hudson) Kützing | Spongonema tomentosum (p. ) |
| Ulothrix flacca (Dillwyn) Thuret | Ulothrix flacca (p. ) |
| Ulva clathrata (Roth) C. Agardh | Ulva clathrata (p. ) |
| Ulva compressa Linnaeus, 1753 | Ulva compressa (p. ) |
| Ulva intestinalis Linnaeus | Ulva intestinalis (p. ) |