| Grimmia involucrata Cardot, 1909 |
| Grimmia laevigata (Brid.) Brid., 1826 |
| Grimmia lisae De Not., 1837 |
| Grimmia longirostris Hook., 1818 |
| Grimmia mexicana Greven, 1999 |
| Grimmia montana Bruch & Schimp., 1845 |
| Grimmia moxleyi R.S. Williams, 1926 |
| Grimmia occidentalis Lawton, 1967 |
| Grimmia orbicularis Bruch, 1844 |
| Grimmia ovalis (Hedw.) Lindb., 1871 |
| Grimmia ovalis var. cylindrica (Nees & Hornsch.) I. Hagen, 1909 |
| Grimmia ovata F. Weber & Mohr, 1804 |
| Grimmia pilifera P. Beauv., 1805 |
| Grimmia praetermissa Cardot, 1909 |
| Grimmia pulla Cardot, 1909 |
| Grimmia pulvinata (Hedw.) Sm., 1807 |
| Grimmia pulvinata var. africana (Hedw.) Hook. f. & Wilson, 1854 |
| Grimmia rivularis Brid., 1801 |
| Grimmia schiedeana Müll. Hal., 1855 |
| Grimmia teretinervis Limpr., 1884 |