| Frullania inflata Gottsche, 1845 |
| Frullania intumescens (Lehm. & Lindenb.) Lehm. & Lindenb., 1845 |
| Frullania latilobula Herzog, 1942 |
| Frullania lechleri Steph., 1894 |
| Frullania leiboldiana Steph., 1911 |
| Frullania leiboldii Lindenb. & Gottsche, 1847 |
| Frullania leprieurii Nees & Mont., 1840 |
| Frullania lindenbergii Lehm., 1844 |
| Frullania lindenbergii var. fusca Gottsche, Lindenb. & Nees, 1847 |
| Frullania longipinna Steph., 1911 |
| Frullania macrocephala (Lehm. & Lindenb.) Lehm. & Lindenb., 1845 |
| Frullania macrorhyncha Herzog & L. Clark, 1953 |
| Frullania mexicana Lindenb., 1845 |
| Frullania microcephala Gottsche, 1863 |
| Frullania miradorensis Lindenb. & Gottsche, 1847 |
| Frullania montagnei Gottsche, 1845 |
| Frullania moritziana Lindenb. & Gottsche, 1847 |
| Frullania moritziana var. mexicana Gottsche, Lindenb. & Nees, 1863 |
| Frullania mucronata (Lehm. & Lindenb.) Lehm. & Lindenb., 1845 |
| Frullania nodulosa (Reinw., Blume & Nees) Nees, 1845 |