| Flourensia monticola M.O. Dillon, 1976 |
| Flourensia pringlei (A. Gray) S.F. Blake, 1913 |
| Flourensia pulcherrima M.O. Dillon, 1976 |
| Flourensia resinosa (Brandegee) S.F. Blake, 1913 |
| Flourensia retinophylla S.F. Blake ex B.L. Rob., 1913 |
| Flourensia solitaria S.F. Blake, 1950 |
| Flyriella R.M. King & H. Rob., 1972 |
| Flyriella chrysostyla (B.L. Rob.) R.M. King & H. Rob., 1972 |
| Flyriella harrimanii R.M. King & H. Rob., 1982 |
| Flyriella leonensis (B.L. Rob.) R.M. King & H. Rob., 1972 |
| Flyriella parryi (A. Gray) R.M. King & H. Rob., 1972 |
| Flyriella sphenopoda (B.L. Rob.) R.M. King & H. Rob., 1972 |
| Flyriella stanfordii R.M. King & H. Rob., 1972 |
| Fornicaria Raf., 1838 |
| Fornicaria scandens (L.) Raf., 1838 |
| Fougeria Moench, 1802 |
| Fougerouxia Cass., 1827 |
| Fougerouxia recta (L.) DC., 1836 |
| Franseria Cav., 1793 |
| Franseria acanthicarpa (Hook.) Coville, 1893 |