''Mycena subcyanocephala'' is a

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

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

, which has its habitat in the tropical parts of

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocea ...

. ''Mycena subcyanocephala'' is noted for its small size, with buttons about 1 mm tall. The species belongs to the

Mycenaceae The Mycenaceae are a family of fungi in the order Agaricales. According to the ''Dictionary of the Fungi'' (10th edition, 2008), the family contains 10 genera and 705 species. This is one of several families that were separated from the Tricholo ...

family, with ''

Mycena interrupta ''Mycena interrupta'' (commonly known as the pixie's parasol) is a species of mushroom. It has a Gondwanan distribution pattern, being found in Australia, New Zealand, New Caledonia and Chile. In Australia, it is found in Victoria, Tasmania, ...

'' being its closest known relative. Mycena subcyanocephala should not be regarded as edible. Neither substantial nor psychedelic, it could also embody the toxic chemical

muscarine Muscarine, L-(+)-muscarine, or muscarin is a Secondary metabolite, natural product found in certain mushrooms, particularly in ''Inocybe'' and ''Clitocybe'' species, such as the deadly ''Clitocybe dealbata, C. dealbata''. Mushrooms in the g ...

. Mycena subcyanocephala is a species of fungus that grows on wood in the tropical parts of Taiwan. It's currently the smallest known mushroom in the world, with caps about 1 mm tall and a white color with a pale blue tone. It belongs to the Mycenaceae family and the section Spinosae. It has 2-spored basidia, smooth round-headed cheilocystidia, and thin-walled pileiocystidia and caulocystidia.

Description

''Mycena subcyanocephala'' is a

lignicolous This glossary of mycology is a list of definitions of terms and concepts relevant to mycology, the study of fungi. Terms in common with other fields, if repeated here, generally focus on their mycology-specific meaning. Related terms can be found ...

species of section Spinosae, having tomentulose fruitbodies, a white cap with pale blue tone, a thin-walled pileiocystidia and

caulocystidia 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 oft ...

, smooth round-headed cheilocystidia,

inamyloid In mycology a tissue or feature is said to be amyloid if it has a positive amyloid reaction when subjected to a crude chemical test using iodine as an ingredient of either Melzer's reagent or Lugol's solution, producing a blue to blue-black staini ...

basidiospore A basidiospore is a reproductive spore produced by basidiomycete fungi, a grouping that includes mushrooms, shelf fungi, rusts, and smuts. Basidiospores typically each contain one haploid Ploidy () is the number of complete sets of chromos ...

s, and 2-spored

basidia A basidium (: basidia) is a microscopic spore-producing structure found on the hymenophore of reproductive bodies of basidiomycete fungi. The presence of basidia is one of the main characteristic features of the group. These bodies are also ...

References

subcyanocephala Fungi described in 2019 Fungus species {{Fungus-stub