| Hypoglossum attenuatum var. abyssicola (Taylor) E.Y. Dawson, 1962 |
| Hypoglossum heterocystideum (J. Agardh) J. Agardh, 1898 |
| Hypoglossum hypoglossoides (Stackh.) Collins & Herv., 1917 |
| Hypoglossum involvens (Harv.) J. Agardh, 1898 |
| Hypoglossum retusum E.Y. Dawson, 1944 |
| Hypoglossum simulans M.J. Wynne, I.R. Price & D.L. Ballantine, 1989 |
| Hypoglossum subsimplex M.J. Wynne, 1994 |
| Hypoglossum tenuifolium (Harv.) J. Agardh, 1898 |
| Loranthophycus E.Y. Dawson, 1944 |
| Loranthophycus californicus E.Y. Dawson, 1944 |
| Martensia K. Hering, 1841 |
| Martensia fragilis Harv., 1854 |
| Martensia pavonia (J. Agardh) J. Agardh, 1863 |
| Martensieae M.J. Wynne, 2001 |
| Membranoptera Stackh., 1809 |
| Membranoptera spatulata E.Y. Dawson, 1950 |
| Myriogramme Kylin, 1924 |
| Myriogramme auricularis E.Y. Dawson, 1966 |
| Myriogramme bombayensis Børgesen, 1931 |
| Myriogramme caespitosa E.Y. Dawson, 1949 |