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Micropsalliota

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Micropsalliota
unidentified Micropsalliota from South Africa
Scientific classification
Kingdom:
Fungi
Division:
Basidiomycota
Class:
Agaricomycetes
Order:
Agaricales
Family:
Agaricaceae
Genus:
Micropsalliota

Höhn. (1914)
Type species
Micropsalliota pseudovolvulata
Höhn. (1914)

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.[1] The generic name refers to the similarity of the slender fruitbodies to those in Psalliota (a genus that has since been synonymized with Agaricus).[2] Emendations were made to the genus in 1969 by Pegler and Rayner,[3] and then in 1976 by Heinemann.[4] Molecular phylogenetics has shown that the genus represents a monophyletic lineage in the family Agaricaceae that is sister to the genus Hymenagaricus.[2]

Description

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.[2]

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.[2] Micropsalliota pseudoglobocystis is the first species of the genus reported from China.[5] A new species Micropsalliota albofelina was described in 2021, it is also the first record of this genus in Vietnam.[6]

Species

As of July 2022, Index Fungorum accepts 70 species of Micropsalliota:

See also

References

  1. ^ von Höhnel F. (1914). "Fragmente zur Mykologie XVI (XVI. Mitteilung, Nr. 813 bis 875)" (PDF). Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften Math.-naturw. Klasse Abt. I (in German). 123: 49–155 (see p. 79).
  2. ^ a b c d e f g h i j k l m n Zhao R, Desjardin DE, Soytong K, Perry BA, Hyde KD (2010). "A monograph of Micropsalliota in Northern Thailand based on morphological and molecular data". Fungal Diversity. 45: 33–79. doi:10.1007/s13225-010-0050-4. S2CID 983535.
  3. ^ Pegler DN, Rayner RW (1969). "A contribution to the Agaric flora of Kenya". Kew Bulletin. 23 (3): 347–412. doi:10.2307/4117177. JSTOR 4117177.
  4. ^ Heinemann P. (1976). "The genus Micropsalliota". Kew Bulletin. 31 (3): 581–583. doi:10.2307/4119406. JSTOR 4119406.
  5. ^ a b Wei L, Yong-He L, Hyde KD, Zhao RL (2015). "Micropsalliota pseudoglobocystis, a new species from China". Mycotaxon. 130 (2): 555–561. doi:10.5248/130.555.
  6. ^ a b P.W. Crous; et al. (2021). "Fungal Planet description sheets: 1284–1382" (PDF). Persoonia. 47: 3178–374 (see p. 334–335). doi:10.3767/persoonia.2021.47.06. PMC 10486635. PMID 37693795. S2CID 245496642.{{cite journal}}: CS1 maint: numeric names: authors list (link)
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