| Jungermannia lunulata F. Weber, 1815 |
| Jungermannia lyellii Hook., 1816 |
| Jungermannia michauxii F. Weber, 1815 |
| Jungermannia minuta Schreb. ex Cranz, 1770 |
| Jungermannia mosenii Steph., 1917 |
| Jungermannia multiceps Lindenb. & Gottsche, 1847 |
| Jungermannia muricata Lehm., 1829 |
| Jungermannia nana Nees ex Flot., 1833 |
| Jungermannia navicularis Lehm. & Lindenb., 1834 |
| Jungermannia nuda Lindenb. & Gottsche, 1847 |
| Jungermannia obtusiflora Steph., 1901 |
| Jungermannia orizabensis Gottsche, 1863 |
| Jungermannia pallens Sw., 1788 |
| Jungermannia parca Gottsche, 1863 |
| Jungermannia parviflora Nees, 1833 |
| Jungermannia patula Sw., 1806 |
| Jungermannia phyllorhiza Nees, 1833 |
| Jungermannia polycarpa Nees, 1833 |
| Jungermannia porelloides Torr. ex Nees, 1833 |
| Jungermannia porphyroleuca Nees, 1836 |