• Ephemeridium papillosum (Austin) Kindberg, 1895
• Ephemerum aequinoctiale Spruce in Mitten, 1869
• Ephemerum apiculatum Chen Pan-Chieh, 1943
• Ephemerum argentinicum Schiavone & Sarmiento, 1985
• Ephemerum asiaticum Paris & Brotherus in Paris, 1901
• Ephemerum capense C. Müller, 1888
• Ephemerum cohaerens Hampe, 1837
• Ephemerum congestum Moench accepted as Tradescantia virginiana Linnaeus
• Ephemerum conicum C. Müller, 1879
• Ephemerum crassinervium (Austin) Renauld & Cardot, 1891
• Ephemerum crassinervium Hampe, 1837
• Ephemerum cristatum C. Müller, 1847
• Ephemerum diversifolium Mitten in Harvey, 1859
• Ephemerum fimbriatum C. Müller, 1871
• Ephemerum furcatum Stone, 1996
• Ephemerum homomallum C. Müller, 1888
• Ephemerum jamesii Austin, 1875
• Ephemerum ligulatum C. Müller ex G. Roth, 1914
• Ephemerum longifolium W.P. Schimper in Ruthe, 1867
• Ephemerum longifolium W.P. Schimper, 1860
• Ephemerum namaquense Magill, 1987
• Ephemerum pachyneuron C. Müller, 1898
• Ephemerum papillosum Austin, 1870
• Ephemerum pechuelii C. Müller, 1886
• Ephemerum perminutum C.C. Townsend, 1981 [1982]
• Ephemerum piliferum J. Shaw, 1878
• Ephemerum recurvifolium Boulay, 1872
• Ephemerum rehmannii Brotherus, 1924
• Ephemerum rutheanum W.P. Schimper in Ruthe, 1867
• Ephemerum serratum Hampe, 1837
• Ephemerum sessile C. Müller, 1848
• Ephemerum spinulosum Bruch & W.P. Schimper in W.P. Schimper, 1860
• Ephemerum stellatum Philibert, 1879
• Ephemerum uleanum C. Müller, 1898
• Micromitrium densifolium Brotherus, 1925
• Micromitrium lacustre Crosby, 1968
• Micromitrium megalosporum Austin, 1870
• Micromitrium perexiguum Crosby, 1968
• Micromitrium subaequinoctale Crosby, 1968
• Micromitrium synoicum Austin in Sullivant, 1874
• Micromitrium tenerum Crosby, 1968
• Micromitrium thelephorothecum Crosby, 1968
• Micromitrium wrightii Crosby, 1968