| Pleonosporium caribaeum (Børgesen) R.E. Norris, 1985 |
| Pleonosporium codicolum E.Y. Dawson, 1962 |
| Pleonosporium dasyoides (J. Agardh) De Toni, 1903 |
| Pleonosporium flexuosum (C. Agardh) Bornet ex De Toni, 1892 |
| Pleonosporium globuliferum Levring, 1941 |
| Pleonosporium mexicanum E.Y. Dawson, 1962 |
| Pleonosporium polystichum E.C. Oliveira, 1969 |
| Pleonosporium pygmaeum N.L. Gardner, 1927 |
| Pleonosporium rhizoideum E.Y. Dawson, 1962 |
| Pleonosporium saccorhiza Setch. & N.L. Gardner, 1930 |
| Pleonosporium squarrosum Kylin, 1925 |
| Pleonosporium squarrulosum (Harv.) I.A. Abbott, 1972 |
| Pleonosporium vancouverianum (J. Agardh) Setch. & N.L. Gardner, 1903 |
| Ptilota C. Agardh, 1817 |
| Ptilota densa C. Agardh, 1822 |
| Ptilota filicina J. Agardh, 1876 |
| Ptilota hypnoides Harvey, 1833 |
| Ptilothamnion Thur., 1863 |
| Ptilothamnion codicola (E.Y. Dawson) I.A. Abbott, 1971 |
| Ptilothamnion speluncarum (Collins & Herv.) Ballantine & Wynne, 1998 |