| Species | Name Used |
|---|---|
| Ulva clathrata (Roth) C. Agardh | Enteromorpha clathrata (p. 5 ) |
| Ulva intestinalis Linnaeus | Enteromorpha intestinalis (p. 5 ) |
| Ulva lactuca Linnaeus, 1753 | Ulva lactuca (p. 5 ) |
| Valonia aegagropila C. Agardh | Valonia aegagropila (p. 6 ) |
| Valonia fastigiata Harvey ex J. Agardh | Valonia fastigiata (p. 6 ) |
| Valonia utricularis (Roth) C. Agardh | Valonia utricularis (p. 6 ) |
| Valoniopsis pachynema (G. Martens) Børgesen | Valoniopsis pachynema (p. 6 ) |
| Vanvoorstia spectabilis Harvey | Vanvoorstia spectabilis (p. 16 ) |
| Ventricaria ventricosa (J. Agardh) J.L.Olsen & J.A.West, 1988 | Ventricaria ventricosa (p. 6 ) |
| Wrangelia bicuspidata Børgesen | Wrangelia bicuspidata (p. 16 ) |