Phylogenetic conundrum of the mushroom-forming fungi (agaricomycetes)

Ivan V. Zmitrovich, Solomon P. Wasser

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review


The problem of the origin and phylogeny of Agaricomycetes remains controversial. However, various data accumulated in recent decades provide an opportunity to reach some definite conclusions. The conclusions are: 1) Final establishment of the circumscription of the class Agaricomycetes (Basidiomycetes with dolipore septa without nanopores, with perforated, or rarely unperforated, parenthosomata), and the proof of their evolutionary advancement compared with Tremellomycetes; 2) The loss of taxonomic status of such groups as Hymenomycetes/Gasteromycetes and Aphyllophorales; 3) The appearance, in the course of studies of rDNA, of some “molecular concepts”, the most important of which are the rooting of Agaricomycetes within the Dacrymycetales/Auriculariales and the basal position of taxa with unperforated parentosomes; 4) Proof of evolutionary advancement of brown-rot fungi with considerable devaluation of the type of rot as a character in taxonomy of Basidiomycetes; 5) Proof of secondary origins of corticioid and gasteroid forms. Any phylogenetic reconstruction of Agaricomycetes should be based on the aforesaid concepts. However, some of the remaining difficulties and contradictions in the field of systematics are analyzed in the present chapter.

Original languageEnglish
Title of host publicationSystematics and Evolution of Fungi
PublisherCRC Press
Number of pages46
ISBN (Electronic)9781439878224
ISBN (Print)9781578087235
StatePublished - 1 Jan 2012

Bibliographical note

Publisher Copyright:
© 2011 by Taylor & Francis Group, LLC.

ASJC Scopus subject areas

  • General Agricultural and Biological Sciences


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