Ricciales

Ricciales
	Blue-green star liver moss ( Riccia glauca )
Systematics
without rank:	Streptophyta
Empire :	Plants (Plantae)
Department :	Liverworts (Marchantiophyta)
Class :	Marchantiopsida
Subclass :	Marchantiidae
Order :	Ricciales
Scientific name
	Ricciales
	Schljakov

The ricciales are an order of liverworts . They occur on both hemispheres of the earth.

features

The sporophytes sit on the thallus or are sunk on the surface. The seta and a foot are missing from the sporophyte. The capsule is celistocarp, so it does not open. The spores are 40 to 200 micrometers in diameter. Elaters and oil bodies are absent from this order.

The main chromosome number is n = 9, with n = 8, 10, 12, 14-18, 24 and 48 also occurring.

Systematics

The order contains two families:

Family Oxymitraceae
Ricciaceae family

Individual evidence

↑ ^a ^b ^c 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. 34 .

[Syllabus-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. 34 .