Letterstedtia petiolata J.Agardh, 1883 | Phycoseris gigantea var. perforata Kütz., 1849 | Phycoseris rigida (C.Agardh) Kütz., 1843 | Phycoseris ulva Sonder, 1845 | Ulva armoricana P.Dion, B.de Reviers & G.Coat, 1998 | Ulva lactuca var. rigida (C.Agardh) Le Jolis, 1863 | Ulva petiolata (J.Agardh) Womersley, 1956 | Ulva scandinavica Bliding, 1969 | Ulva spathulata Papenf. , 1960 | Ulva thuretii B.Föyn, 1955