''Cystoderma'' 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 ...

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

Agaricaceae The Agaricaceae are a family of basidiomycete fungi and include the genus ''Agaricus'', as well as basidiomycetes previously classified in the families Tulostomataceae, Lepiotaceae, and Lycoperdaceae. Taxonomy The family Agaricaceae was publishe ...

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 work. Previously ''Cystoderma'' comprised a wider range of species but in 2002 Harmaja separated some of them off into the new genus '' Cystodermella'' (for instance '' Cystoderma cinnabarinum'', ''

C. elegans ''Caenorhabditis elegans'' () is a free-living transparent nematode about 1 mm in length that lives in temperate soil environments. It is the type species of its genus. The name is a blend of the Greek ''caeno-'' (recent), ''rhabditis'' (r ...

'' and '' C. granulosum''). The separation was made largely on the basis that the spores in the new genus were not at all amyloid. Those remaining in ''Cystoderma'' have weakly to strongly amyloid spores, tend to have a persistent ring and to have

arthroconidia Arthroconidia are a type of fungal spore typically produced by segmentation of pre-existing fungal hyphae. Background These spores are asexual and are generally not as durable and environmentally persistent as, for instance, bacterial endospores o ...

. DNA analysis supports the division into the two groups, but further investigation has shown that none of the morphological characteristics distinguish between them in a consistent clear-cut way. The name probably comes from the

Greek Greek may refer to: Greece Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group. *Greek language, a branch of the Indo-European language family. **Proto-Greek language, the assumed last common ancestor ...

''kýstis'' meaning ''pouch'' and ''derma'' meaning ''skin''.

List of species

The following species are recognised in the genus ''Cystoderma'': * ''

Cystoderma amianthinum ''Cystoderma amianthinum'', commonly called the saffron parasol, the saffron powder-cap, or the earthy powder-cap, is a small orange-ochre, or yellowish-brown, gilled mushroom. It grows in damp mossy grassland, in coniferous forest clearings, ...

'' (Scop.) Fayod * '' Cystoderma andinum'' I. Saar & Læssøe * '' Cystoderma arcticum'' Harmaja * '' Cystoderma aureolum'' (Raithelh.) Raithelh. * '' Cystoderma austrofallax'' Singer * '' Cystoderma bonnardiae'' Thoen * '' Cystoderma carcharias'' (Pers.) Fayod * '' Cystoderma castellanum'' Blanco-Dios * '' Cystoderma caucasicum'' Singer * '' Cystoderma chocoanum'' Franco-Mol. * '' Cystoderma clastotrichum'' (G. Stev.) E. Horak * '' Cystoderma fallax'' A.H. Sm. & Singer * '' Cystoderma ferruginosum'' Pegler * '' Cystoderma fulvolateritium'' (Raithelh.) Raithelh. * '' Cystoderma fumosopurpureum'' (Lasch) Fayod * '' Cystoderma granosum'' (Morgan) A.H. Sm. & Singer * '' Cystoderma granuliferum'' (Bas & Læssøe) I. Saar * '' Cystoderma granulosocinnabarinum'' Singer * '' Cystoderma gruberianum'' A.H. Sm. * '' Cystoderma haematites'' (Sacc.) Konrad & Maubl. * '' Cystoderma intermedium'' Harmaja * '' Cystoderma japonicum'' Thoen & Hongo * '' Cystoderma jasonis'' (Cooke & Massee) Harmaja * '' Cystoderma jeoliense'' Dhanch., J.C. Bhatt & S.K. Pant * '' Cystoderma kuehneri'' Singer * '' Cystoderma lilaceum'' R.L. Zhao, M.Q. He & J.X. Li * '' Cystoderma lilacipes'' Harmaja * '' Cystoderma muscicola'' (Cleland) Grgur. * '' Cystoderma neoamianthinum'' Hongo * '' Cystoderma niveum'' Harmaja * '' Cystoderma ochracea'' Fayod * '' Cystoderma ossaeiformisporum'' (S. Imai) S. Ito * '' Cystoderma pseudoamianthinum'' R.L. Zhao, M.Q. He & J.X. Li * '' Cystoderma pulveraceum'' A.H. Sm. & Singer * '' Cystoderma rugosolateritium'' R.L. Zhao, M.Q. He & J.X. Li * '' Cystoderma saarenoksae'' Harmaja * '' Cystoderma simulatum'' P.D. Orton * '' Cystoderma subglobisporum'' R.L. Zhao, M.Q. He & J.X. Li * '' Cystoderma subornatum'' Raithelh. * '' Cystoderma subvinaceum'' A.H. Sm. * '' Cystoderma superbum'' Huijsman * '' Cystoderma texense'' Thiers * '' Cystoderma tricholomoides'' Heinem. & Thoen * '' Cystoderma tuomikoskii'' Harmaja

References

Footnotes Citations Agaricaceae Agaricales genera {{agaricaceae-stub