| Delesseria decipiens J. Agardh, 1872 |
| Delesseriaceae Bory, 1828 |
| Delesserieae Schmitz & Hauptfleisch, 1897 |
| Delesserioideae De Toni, 1900 |
| Erythroglossum J. Agardh, 1898 |
| Erythroglossum californicum (J. Agardh) J. Agardh, 1898 |
| Grinnellia Harv., 1853 |
| Grinnellia americana (C. Agardh) Harv., 1853 |
| Grinnellia lanceolata E.Y. Dawson, 1944 |
| Grinnellieae M.J. Wynne, 2001 |
| Haraldia Feldmann, 1939 |
| Haraldia prostrata E.Y. Dawson, Neushul & Wildman, 1960 |
| Holmesia J. Agardh, 1890 |
| Holmesia californica (E.Y. Dawson) E.Y. Dawson, 1962 |
| Hymenena Grev., 1830 |
| Hymenena flabelligera (J. Agardh) Kylin, 1924 |
| Hypoglosseae M.J. Wynne, 2001 |
| Hypoglossum Kütz., 1843 |
| Hypoglossum abyssicolum W.R. Taylor, 1945 |
| Hypoglossum attenuatum N.L. Gardner, 1927 |