[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Algae L. (1753) see [unranked] Algae
     Phylum Chlorophycota see Phylum Chlorophyta Pascher (1914)
       Class Chlorophyceae Wille (1884) - chlorophytes
         Order Ulvales Blackman & Tansley
           Family Ulvaceae J.V.Lamour. ex Dumort.
             Genus Ulva L. (1753)
               01 Ulva bifrons Ardré (1967)
               02 Ulva curvata (Kützing) De Toni (1889)
               03 Ulva fasciata Delile (1813)
               04 Ulva gigantea (Kützing) Bliding
               05 Ulva lactuca L. (1753) - green laver
               06 Ulva linearis P.J.L. Dangeard (1957)
               07 Ulva neapolitana Bliding
               08 Ulva olivascens P.A. Dangeard
               09 Ulva pseudocurvata Koeman & van den Hoek (1981)
               10 Ulva rhacodes (Holmes) Papenfuss (1960)
               11 Ulva rigida C.Agardh (1823) - poor man's weather glass
               12 Ulva rotundata Bliding
               13 Ulva scandinavica Bliding (1968)
               14 Ulva uvoides Bory