Micropsalliota

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Genus of fungi

title: "Micropsalliota" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["agaricaceae", "agaricales-genera", "taxa-named-by-franz-xaver-rudolf-von-höhnel", "taxa-described-in-1914"] description: "Genus of fungi" topic_path: "general/agaricaceae" source: "https://en.wikipedia.org/wiki/Micropsalliota" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Genus of fungi ::

Micropsalliota is a genus of small agaric fungi in the family Agaricaceae. The genus contains about 60 species, most of which are found in tropical areas.

Taxonomy

The genus was circumscribed by Austrian mycologist Franz Xaver Rudolf von Höhnel in 1914 with Micropsalliota pseudovolvulata as the type species. This species was collected in 1907 by Höhnel in the Bogor Botanical Gardens in Bogor, Indonesia. The generic name refers to the similarity of the slender fruitbodies to those in Psalliota (a genus that has since been synonymized with Agaricus). Emendations were made to the genus in 1969 by Pegler and Rayner, and then in 1976 by Heinemann. Molecular phylogenetics has shown that the genus represents a monophyletic lineage in the family Agaricaceae that is sister to the genus Hymenagaricus.

Description

::figure[src="https://upload.wikimedia.org/wikipedia/commons/f/ff/Micropsalliota_wuyishanensis_1693257.jpg" caption="Micropsalliota wuyishanensis from [[Taiwan]]."] ::

Micropsalliota fruitbodies have a ring on the stipe, free gill attachment, and brown spores. Micropsalliota is distinguished from similar genera with dark spore prints by its small- to medium-sized fruit bodies, ellipsoid to cymbiform (boat-shaped) basidiospores with an apical thickening in the endosporium, cheilocystidia that are often capitate (ending in a distinct compact head) or nearly so, and pileipellis hyphae encrusted with a pigment that turns olive to green after application of NH4OH.

Ecology and distribution

About 40 Micropsalliota species have been described by Belgian mycologist Paul Heinemann and colleagues from the tropics of Africa, America, India, Indonesia, and Malaysia. Eleven new species from Thailand were added in 2010. Micropsalliota pseudoglobocystis is the first species of the genus reported from China. A new species, Micropsalliota albofelina, was described in 2021; it is the first record of the genus in Vietnam.

Species

, Index Fungorum accepts 70 species of Micropsalliota:

References

References

  1. Heinemann P.. (1976). "The genus ''Micropsalliota''". Kew Bulletin.
  2. von Höhnel F.. (1914). "Fragmente zur Mykologie XVI (XVI. Mitteilung, Nr. 813 bis 875)". Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften Math.-naturw. Klasse Abt. I.
  3. (1969). "A contribution to the Agaric flora of Kenya". Kew Bulletin.
  4. (2015). "''Micropsalliota pseudoglobocystis'', a new species from China". Mycotaxon.
  5. (2010). "A monograph of ''Micropsalliota'' in Northern Thailand based on morphological and molecular data". Fungal Diversity.
  6. (2021). "Fungal Planet description sheets: 1284–1382". Persoonia.

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agaricaceaeagaricales-generataxa-named-by-franz-xaver-rudolf-von-höhneltaxa-described-in-1914