Bryophytes (Mosses, Liverworts, and Hornworts) • Earth.com

Marchantia

(Marchantia)

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Description

Marchantia is a genus in the family Marchantiaceae of the order Marchantiales, a group of liverworts. The Marchantia thallus shows differentiation into two layers: an upper photosynthetic or assimilatory region and a lower storage region with a well-defined upper epidermis with air channels (barrel-shaped). The thallus features tiny cup-like structures called gemmae cups, which are used for asexual reproduction. The combination of barrel-shaped pores and gemmae cups are diagnostic of the genus.

Taxonomic tree:

Domain:
Kingdom: Plantae
Phylum: Hepaticophyta
Class: Hepaticopsida
Order:Marchantiales
Family:Marchantiaceae
Genus:Marchantia
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