Pterosiphonia spinifera (Kütz.) Ardré species accepted

Pterosiphonia arctica species accepted

Pterosiphonia cloiophylla (C.Agardh) Falkenberg, 1897 species accepted

Rytiphlaea cloiophylla (C.Agardh) J.Agardh, 1841 species synonym

Pterosiphonia pennata (C.Agardh) Sauv. species accepted

Pterosiphonia californica Kylin, 1941 species synonym

Pterosiphonia baileyi species accepted

Pterosiphonia pinnulata (Kützing) Maggs & Hommersand, 1993 species accepted

Pterosiphonia complanata (Clemente) Falkenberg species accepted

Fucus complanatus Clemente, 1807 species synonym

Fucus cristatus var. articulatus Turner, 1808 variety synonym

Rytiphlaea complanata (Clemente) C.Agardh species synonym

Pterosiphonia gracilis species accepted

Pterosiphonia bipinnata species accepted

Pterosiphonia gardneri species accepted

Pterosiphonia clevelandii species accepted

Xiphosiphonia pennata (C.Agardh) Savoie & G.W.Saunders, 2016 species homotypic synonym

Xiphosiphonia pinnulata (Kütz.) Savoie & G.W.Saunders, 2016 species homotypic synonym

Polysiphonia spinifera Kütz. species synonym

Polysiphonia cloiophylla (C.Agardh) J.Agardh species synonym

Polysiphonia pennata (C.Agardh) J.Agardh species synonym

Hutchinsia pennata C.Agardh species homotypic synonym

Polysiphonia pinnulata Kütz., 1843 species homotypic synonym

Polysiphonia complanata (Clemente) J.Agardh, 1863 species synonym

Polysiphonia cristata Harvey, 1836 species synonym

Rhodomela cloiophyllum Agardh species synonym

Pterosiphonia paucicorticata E.Y.Dawson species accepted

Ceramium pennatum Roth, 1806 species synonym

Pterosiphonia pennata (C.Agardh) Falkenb. species homotypic synonym