''Cystodermella'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of fungi 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 ...

. The genus comprises about 12 species, noted for producing

agaric An agaric () is a type of fungal fruiting body characterized by the presence of a pileus (cap) that is clearly differentiated from the stipe (stalk), with lamellae (gills) on the underside of the pileus. It is a type of mushroom (or toadstool) ...

fruit bodies The sporocarp (also known as fruiting body, fruit body or fruitbody) of fungi is a multicellular structure on which spore-producing structures, such as basidia or asci, are borne. The fruitbody is part of the sexual phase of a fungal life cyc ...

, bearing a

cap A cap is a flat headgear, usually with a visor. Caps have crowns that fit very close to the head. They made their first appearance as early as 3200 BC. The origin of the word "cap" comes from the Old French word "chapeau" which means "head co ...

, white

gills A gill () is a respiratory organ that many aquatic organisms use to extract dissolved oxygen from water and to excrete carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they are ...

and stipe with a fine, ephemeral

ring (The) Ring(s) may refer to: * Ring (jewellery), a round band, usually made of metal, worn as ornamental jewelry * To make a sound with a bell, and the sound made by a bell Arts, entertainment, and media Film and TV * ''The Ring'' (franchise), a ...

. The genus was devised by

Harri Harmaja Harri is a given name and a surname. Notable people with these names include: Given name *Harri Anne Smith, (born 1962), American Republican member of the Alabama Senate *Harri Eloranta (born 1963), Finnish biathlete *Harri Hänninen (born 1963 ...

in 2002, dividing the older genus ''Cystoderma'' into three independent genera: ''

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 w ...

'', '' Ripartitella'' and ''Cystodermella'' largely on the basis of microscopic differences. ''Cystodermella'' species bear non-

amyloid Amyloids are aggregates of proteins characterised by a fibrillar morphology of typically 7–13 nm in diameter, a β-sheet secondary structure (known as cross-β) and ability to be stained by particular dyes, such as Congo red. In the human ...

spores and sometimes

cystidia A cystidium (: cystidia) is a relatively large cell found on the sporocarp of a basidiomycete (for example, on the surface of a mushroom gill), often between clusters of basidia. Since cystidia have highly varied and distinct shapes that are o ...

. The spores, in contrast to ''Ripartitella'' are not

echinulate This glossary provides an overview of terms used in the description of lichens, composite organisms arising from algae or cyanobacteria living symbiotically among filaments of multiple fungus species. Erik Acharius, known as the "father of lic ...

. Species of the genus have a

saprotroph Saprotrophic nutrition or lysotrophic nutrition is a process of chemoheterotrophic extracellular digestion involved in the processing of decayed (dead or waste) organic matter. It occurs in saprotrophs, and is most often associated with fungi ...

ic mode of nutrition, and occur around the world.

Species

*'' Cystodermella adnatifolia'' (Peck) Harmaja 2002 *'' Cystodermella ambrosii'' (Bres.) Harmaja 2002 *'' Cystodermella australis'' (A.H.Sm. & Singer) Vizzini 2008 *'' Cystodermella cinnabarina'' (Alb. & Schwein.) Harmaja 2002 *'' Cystodermella contusifolia'' (Pegler) Harmaja 2002 *'' Cystodermella cristallifera'' (Thoen) Harmaja 2002 *'' Cystodermella elegans'' (Beeli) Harmaja 2002 *'' Cystodermella freirei'' (Justo & M.L.Castro) Vizzini 2008 *'' Cystodermella granulosa'' (Batsch) Harmaja 2002 – United Kingdom *'' Cystodermella japonica'' (Thoen & Hongo) Harmaja 2002 *'' Cystodermella lactea'' Musumeci 2006 *'' Cystodermella myriadocystis'' (Heinem. & Thoen) Harmaja 2002 *'' Cystodermella papallactae'' (I.Saar & Læssøe) Vizzini 2008 *'' Cystodermella subpurpurea'' (A.H.Sm. & Singer) Harmaja 2002

References

Footnotes Citations Agaricaceae Agaricales genera {{agaricaceae-stub

Species

See also

References