Rhodolachne radicosa Itono, 1985 species synonym

Stictosiphonia vaga (Hook.f. & Harvey) Hook.f. & Harvey, 1847 species synonym

Stictosiphonia kelanensis (Grunow) R.J.King & Puttock species synonym

Fucus amphibius Hudson, 1778 species synonym

Rhodomela scorpioides (Hudson) species synonym

Rhodomela radicans Mont. species synonym

Rhodomela calamistrata Mont., 1837 species synonym

Fucus tenellus M.Vahl, 1802 species synonym

Rhodomela calliptera Mont. species synonym

Bostrychia tenella subsp. terrestris J.Agardh subspecies synonym

Bostrychia scorpiodes (Goodenough) Schmitz species synonym

Bostrychia binderi subsp. terrestris (J.Agardh) Post subspecies synonym

Amphibia radicans (Mont.) Kuntze, 1891 species synonym

Bostrychia scorpioides (Huds.) Mont. species synonym

Alsidium scorpioides (Hudson) J.Agardh, 1841 species synonym

Bostrychia mixta species accepted

Bostrychia intricata (Bory) Mont. species accepted

Bostrychia vaga Hook.f. & Harv. species accepted

Bostrychia kelanensis Grunow species accepted

Bostrychia arbuscula Hook.f. & Harv. species accepted

Polysiphonia pauperula Kütz., 1863 species synonym

Bostrychia scorpioides var. montagnei (Harv.) Post variety synonym

Bostrychia harveyi Mont. species accepted

Bostrychia simpliciuscula Harv. ex J.Agardh species accepted

Bostrychia tenuis species accepted

Bostrychia radicans (Mont.) Mont. species accepted

Bostrychia rivularis Harv. species synonym

Bostrychia radicans f. depauperata E.Post, 1936 form synonym

Bostrychia vieillardii Kütz., 1863 species synonym

Bostrychia pilulifera Mont. species accepted

Bostrychia flagellifera E.Post species accepted

Bostrychia tenella subsp. flagellifera (Post) King & Puttock, 1988 subspecies synonym

Bostrychia moritziana (Sond. ex Kütz.) J.Agardh species accepted

Polysiphonia bostrychioides P.L.Crouan & H.M.Crouan species synonym

Bostrychia polysiphonioides P.L.Crouan & H.M.Crouan species synonym

Bostrychia radicans f. moniliformis Post, 1936 form synonym

Bostrychia guadelupensis P.L.Crouan & H.M.Crouan species synonym

Polysiphonia moritziana Sond. ex Kütz. species synonym

Bostrychia tenella (J.V.Lamour.) J.Agardh species accepted

Bostrychia muscoides P.L.Crouan & H.M.Crouan species synonym

Bostrychia calamistrata (Mont.) Mont. species synonym

Bostrychia terrestris (J.Agardh) Harvey ex Zanardini, 1872 species synonym

Bostrychia mazei P.L.Crouan & H.M.Crouan species synonym

Bostrychia tenella var. terrestris J.Agardh, 1863 variety synonym

Bostrychia binderi f. terrestris (J.Agardh) Post, 1936 form synonym

Amphibia binderi (Harvey) Kuntze, 1891 species synonym

Plocamium tenellum J.V.Lamour. species synonym

Bostrychia binderi Harv. species synonym

Bostrychia calliptera (Mont.) Mont. species accepted

Bostrychia hamana-tokidai species accepted

Bostrychia radicosa (Itono) J.A.West, G.C.Zuccarello & Hommers., 2006 species accepted

Bostrychia gracilis (R.J.King & Puttock) Zuccarello & J.A.West species accepted

Bostrychia elegans P.L.Crouan & H.M.Crouan species synonym

Bostrychia vieillardii var. pectinata Kütz., 1865 variety synonym

Helicothamnion scorpioides (Roth) Kütz., 1843 species synonym

Fucus scorpioides Huds. species synonym

Bostrychia montagnei (Huds.) Mont. species accepted

Ceramium scorpioides (Hudson) Roth, 1800 species synonym

Bostrychia scorpioides (Huds.) Mont. ex Kütz. species synonym

Amphibia scorpioides (Hudson) Stackh. species synonym

Bostrychia terrestris (J.Agardh) Harvey species homotypic synonym

Bostrychia simpliciuscula Harv. species homotypic synonym

Polysiphonia moritziana Sond. species homotypic synonym