''Cryptomitrium'' is a genus of complex thalloid liverworts in the family

Aytoniaceae Aytoniaceae is a family of liverworts in the order Marchantiales. Genera * '' Asterella'' Palisot De Beauvisage 1805 non Saccardo 1891 non Hara 1936 non Sollas 1886 * '' Cryptomitrium'' Austin ex Underwood 1884 * ''Mannia'' Corda 1829 * ''Plagio ...

. The genus name means “hidden turban” in reference to the inconspicuous sheath around the immature sporangium.

Description

Sporophyte bearing receptacles are unlobed on elongate, somewhat grooved stalks, which appear pale throughout or brownish purple near the base. The receptacle is a convex-expanded disc, thinning towards the margins. Mature

sporangia A sporangium (; from Late Latin, ) is an enclosure in which spores are formed. It can be composed of a single cell or can be multicellular. Virtually all plants, fungi, and many other lineages form sporangia at some point in their life cyc ...

are brown, nearly spherical with very short seta, three to seven per receptacle, each opening by a lid-like operculum. The sporangia mature in early spring.

Species

*''

Cryptomitrium himalayense ''Cryptomitrium'' is a genus of complex thalloid liverworts in the family Aytoniaceae. The genus name means “hidden turban” in reference to the inconspicuous sheath around the immature sporangium. Description Sporophyte bearing receptacl ...

'' Kashyap *''

Cryptomitrium oreades ''Cryptomitrium'' is a genus of complex thalloid liverworts in the family Aytoniaceae. The genus name means “hidden turban” in reference to the inconspicuous sheath around the immature sporangium. Description Sporophyte bearing receptacl ...

Perold *''

Cryptomitrium tenerum ''Cryptomitrium tenerum'' is a species of liverwort native to North America. It is the only representative of its genus on the continent. Description Like most other Marchantiales, it has a flat, dichotomously branched thallus, which in this s ...

'' (Hook.) Austin ex Underw.

References

{{Taxonbar, from=Q17295670 Aytoniaceae Marchantiales genera