Aneuraceae

Aneuraceae
	Aneura pinguis
Systematics
Empire :	Plants (Plantae)
Department :	Liverworts (Marchantiophyta)
Class :	Jungermanniopsida
Subclass :	Metzgeriidae
Order :	Aneurals
Family :	Aneuraceae
Scientific name
	Aneuraceae
	H.Klinggr.

The aneuraceae are a family of order of Aneurales , a group of liverworts with just the constructed thallus . The family comprises 4 genera with around 195 species.

features

The thalli are multilayered, without a clearly demarcated midrib and are few and irregularly branched or regularly pinnate to three. Oil bodies are usually present in all or at least some of the thallus cells, and are seldom absent. There are either 1 to 3 large or numerous small oil bodies per cell. The gametangia are formed on short, narrow side branches. The kalyptra is large, club-shaped, fleshy, multilayered, and often papillae. A pseudoperianth is missing. The seta is long. The sporangium is egg-shaped to cylindrical and has a two-cell wall. Elaters and Elater carriers are available. Spores are single-celled and 9 to 26 µm in size. The plants are diocesan or monocy .

Systematics

The family comprises four genera worldwide, three of which occur in Europe.

Aneura with about 15 species
Cryptothallus 2 species
Lobatiriccardia 5 species, only found in Asia to Australia
Riccardia with about 175 species

literature

Jan-Peter Frahm, Wolfgang Frey, J. Döring: Moosflora . 4th edition, UTB Verlag, ISBN 3-8252-1250-5
Nebel, Philippi: Die Moose Baden-Württemberg Volume 3 . 1st edition, Ulmer Verlag, 2005, ISBN 3-8001-3278-8
Wolfgang Frey, Eberhard Fischer, Michael Stech: Bryophytes and seedless Vascular Plants . In: Wolfgang Frey (Ed.): Syllabus of Plant Families - A. Engler's Syllabus of Plant Families . 13th edition. Vol. 3, Borntraeger, Berlin / Stuttgart 2009, ISBN 978-3-443-01063-8 .

Individual evidence

↑ Wolfgang Frey, Eberhard Fischer, Michael Stech: Bryophytes and seedless Vascular Plants . In: Wolfgang Frey (Ed.): Syllabus of Plant Families - A. Engler's Syllabus of Plant Families . 13th edition. tape 3 . Borntraeger, Berlin / Stuttgart 2009, ISBN 978-3-443-01063-8 , pp. 110 .

Web links

Commons : Aneuraceae - collection of images, videos and audio files

[1] Wolfgang Frey, Eberhard Fischer, Michael Stech: Bryophytes and seedless Vascular Plants . In: Wolfgang Frey (Ed.): Syllabus of Plant Families - A. Engler's Syllabus of Plant Families . 13th edition. tape 3 . Borntraeger, Berlin / Stuttgart 2009, ISBN 978-3-443-01063-8 , pp. 110 .