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Map lichen (Rhizocarpon geographicum)

Map lichen ( Rhizocarpon geographicum )

Sub-kingdom : Dikarya
Department : Ascomycota mushrooms
Subdivision : Real ascent mushrooms (Pezizomycotina)
Class : Lecanoromycetes
Subclass : Lecanoromycetidae
Order : Lecanorales
Scientific name

The Lecanorales are an order of hose mushrooms (Ascomycota) and very contained many lichen-forming species.


The thallus is very diverse. The apothecia are round to bowl-shaped. The species that live in a lichen symbiosis form apothecia in which the specially constructed asci stand between paraphyses with head-like, thickened ends. The asci are club-shaped, thick-walled, sometimes multilayered. They also have a crown around the pore-shaped opening.

The plant symbionts (photobionts) of the lichen-forming species are green algae (e.g. Trebouxia , Coccomyxa ) and cyanobacteria ( Nostoc ).


The Lecanorales include the following families with selected genera and species:



Individual evidence

  1. ^ OE Eriksson (Ed.): Outline of Ascomycota - 2006 In: Myconet , Volume 12, 2006, pp. 1-82. (online html) ( Memento from March 18, 2009 in the Internet Archive )
  2. a b Jolanta Miadlikowska et al .: New insights into classification and evolution of the Lecanoromycetes (Pezizomycotina, Ascomycota) from phylogenetic analyzes of three ribosomal RNA and two protein-coding genes . In: Mycologia , Volume 98, 2006, pp. 1088-1103.
  3. HTLumbsch, SM Huhndorf: Outline of Ascomycota - 2007. In: Myconet Volume 13, 2007, pp. 1-58. (PDF; 2.8 MB) ( Memento from March 18, 2009 in the Internet Archive )

Web links

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