''Dissoderma'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of parasitic

fungi A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from ...

in the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Squamanitaceae The Squamanitaceae are a family of fungi in the order Agaricales. All species in the family are agarics (gilled mushrooms). Species in two genera, '' Dissoderma'' and '' Squamanita'', are parasitic on other agarics. Members of the ''Squamanitacea ...

. Basidiocarps (fruit bodies) superficially resemble normal agarics (gilled mushrooms) but emerge from parasitized fruit bodies of deformed host agarics.

Taxonomy

''Dissoderma'' was created in 1948 as a subgenus of ''

Cystoderma ''Cystoderma'' is a genus of fungi in the family Agaricaceae or Cystodermataceae. Its family position is in doubt and the family "Cystodermataceae" and tribe "Cystodermateae" have been proposed to include this group following recent molecular wo ...

'' and raised to generic rank in 1973. Though French

mycologist Mycology is the branch of biology concerned with the study of fungus, fungi, including their genetics, genetic and biochemistry, biochemical properties, their Taxonomy (biology), taxonomy and ethnomycology, their use to humans, including as a so ...

Marcel Bon Marcel Bon (17 March 1925 – 11 May 2014)http://fmbds.org/wp-content/uploads/2014/06/CAFAM-2014-CR-complet.pdf was one of France's best known field mycologists. He was born in Picardy in 1925 and came to mycology through general botany, and ph ...

recognized and expanded the genus in 1999, most other mycologists considered ''Dissoderma'' synonymous with '' Squamanita''.

Molecular A molecule is a group of two or more atoms held together by attractive forces known as chemical bonds; depending on context, the term may or may not include ions which satisfy this criterion. In quantum physics, organic chemistry, and bioche ...

research, based on cladistic analysis of DNA sequences, has however confirmed ''Dissoderma'' as a genus distinct from ''Squamanita''. A number of species previously referred to ''Squamanita'' have accordingly been transferred to ''Dissoderma''.

Description

''Dissoderma'' species can be distinguished from ''Squamanita'' species by their violet-grey pilei (caps) and upper

stipes Crucifixion is a method of capital punishment in which the victim is tied or nailed to a large wooden cross or beam and left to hang until eventual death from exhaustion and asphyxiation. It was used as a punishment by the Persians, Carthagin ...

(stems). The lower parts of the stipes are host tissue and as such are often distinct and differently coloured. Known hosts include species of ''

'', '' Galerina'', and ''

Hebeloma ''Hebeloma'' is a genus of fungi in the family Hymenogastraceae. Found worldwide, it contains the poison pie or fairy cakes ''(Hebeloma crustuliniforme)'' and the ghoul fungus ''( H. aminophilum)'', from Western Australia, which grows on rotting ...

''.

References

{{Taxonbar, from=Q114355570 Agaricales genera

Taxonomy

Description

See also

References