Haplomitriaceae

Calobryales (formerly Haplomitriales) is an order of plants known as liverworts.

This order contains one family, Haplomitriaceae, with a single extant genus Haplomitrium.

Taxonomy

 * Order Calobryales Campbell ex Hamlin 1972 [Haplomitriales Buch ex Schljakov 1972 ]
 * Family Haplomitriaceae Dědeček 1884
 * Genus †Gessella Poulsen 1974
 * Genus Haplomitrium Nees 1833 nom. cons.