Author:
Jan Scholten
Book:
Type:
Chapter:
3-320.00.00

Marchantiophyta
English: Hepatics; Liverworts.
Botany: 9000 species; non-vascular bryophyte land plants; gametophyte-dominant life cycle, in which cells of the plant carry only a single set of genetic information; flattened leafless thallus or leafy like a flattened moss; leafy liverworts with leaves never have a costa and may bear marginal cilia, arranged in three ranks, deep lobes or segmented; lack of clearly differentiated stem and leaves; small plants, less than 10 cm long; may cover large patches of ground, rocks, trees; globally; almost every available habitat, most in humid locations.

Taxonomy
Haplomitriopsida
Haplomitriales: Haplomitriaceae: Haplomitrium.
Treubiales: Treubiaceae: Apotreubia, Treubia.
Marchantiopsida
Blasiales: Blasiaceae : Blasia, Cavicularia.
Neohodgsoniales: Neohodgsoniaceae: Neohodgsonia mirabilis.
Sphaerocarpales: Sphaerocarpaceae: Geothallus , Sphaerocarpus .
Riellaceae: Austroriella, Riella (aquatic).
Lunulariales: Lunulariaceae: Lunularia cruciata
Marchantiales: 13 Families, 30 Genera.
Jungermanniopsida
Pelliales: Noterocladaceae: Noteroclada
Pelliaceae : Pellia
Pallaviciniales: 5 Families, 13 Genera.
Fossombroniales: 5 Families, 6 Genera.
Pleuroziales: Pleuroziaceae: Pleurozia
Metzgeriales: simple thalloid liverworts; 14 families
Porellales: 7 Families, ± 70 Genera.
Ptilidiales: Herzogianthaceae: Herzogianthus
Ptilidiaceae: Ptilidium
Neotrichocoleaceae: Neotrichocolea, Trichocoleopsis
Jungermanniales: 40 Families

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