Hypophylla hypoglossoides (Stackh.) Stackh., 1816 species synonym

Fucus lingulatus Sol., 1794 species synonym

Hypoglossum woodwardii var. ovalifolium (J.Agardh) Rabenh., 1847 variety synonym

Hypoglossum anomalum M.J.Wynne & D.L.Ballant. species accepted

Hypoglossum hypoglossoides (Stackhouse) F.S.Collins & Hervey species accepted

Hypoglossum tenuifolium var. carolinianum Williams variety synonym

Hypoglossum woodwardii var. arborescens J.Agardh variety synonym

Fucus hypoglossum Woodward, 1794 species synonym

Hypoglossum crispum (Zanardini) Kütz. species synonym

Hypoglossum woodwardii var. crispa P.L.Crouan & H.M.Crouan variety synonym

Fucus hypoglossoides Stackhouse species synonym

Hypoglossum woodwardii var. ovalifolium (J.Agardh) Kütz., 1849 variety synonym

Hypoglossum woodwardii var. glomerata Chauv. variety synonym

Delesseria ligulata Gray species synonym

Hypoglossum woodwardii var. angustifolia Kütz. variety synonym

Delesseria hypoglossum var. ovalifolia J.Agardh, 1842 variety synonym

Hypoglossum woodwardii Kützing species synonym

Hypoglossum attenuatum N.L.Gardner, 1927 species accepted

Hypoglossum caloglossoides M.J.Wynne & Kraft, 1985 species accepted

Hypoglossum simulans M.J.Wynne, I.R.Price & D.L.Ballant., 1989 species accepted

Hypoglossum barbatum Okamura, 1901 species accepted

Hypoglossum tenuifolium (Harv.) J.Agardh species accepted

Delesseria tenuifolia Harv. species synonym

Hypoglossum retusum species accepted

Delesseria hypoglossum (Woodward) J.V.Lamouroux species synonym