Leucocoprinus pusillus

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Leucocoprinus pusillus
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Agaricaceae
Genus: Leucocoprinus
Species:
L. pusillus
Binomial name
Leucocoprinus pusillus
Leucocoprinus pusillus
Information icon.svg
Gills icon.png Gills on hymenium
Convex cap icon.svg Cap is convex
Free gills icon2.svg Hymenium is free
Ring stipe icon.svg Stipe has a ring
Transparent spore print icon.svg
 Spore print is white
Saprotrophic fungus.svgEcology is saprotrophic
Mycomorphbox Question.pngEdibility is unknown

Leucocoprinus pusillus is a species of mushroom producing fungus in the family Agaricaceae. [1] [2]

Contents

Taxonomy

It was first described in 2009 by the Indian mycologists T.K. Arun Kumar & Patinjareveettil Manimohan who classified it as Leucocoprinus pusillus. [3]

Description

Leucocoprinus pusillus is a small dapperling mushroom with thin (up to 1mm thick) whitish flesh which discolours brown.

Cap: 1.3-1.6cm wide with a white, bulbous cap which expands with age to become convex with an indistinct umbo. It is covered in scattered fine dark brown or dark grey scales (squamules) which are more concentrated towards the centre disc. It has striations (sulcate-striate) towards the edges of the cap which curves inward at first and later flattens. Gills: Free, crowded and whitish but discolouring yellowish white or brown with age or upon drying. Stem: 2-2.2cm tall and 3-5mm thick and expanding towards the base where there is white mycelium. The exterior of the stem is whitish and discolours to brown with damage. The membranous, ascending stem ring is located towards the top of the stem (superior) and has dark brown scales on the edges. Spores: Ovoid or ellipsoid with a tiny germ pore. Dextrinoid. 7-10 x 5-6 μm. Smell: Indistinct. [3]

Etymology

The specific epithet pusillus is Latin for very small, tiny or insignificant. [3] This is a reference to the diminutive size and stature of this species of mushroom.

Habitat and distribution

L. pusillus is scarcely recorded, little known and may be confused with numerous other Leucocoprinus or Leucoagaricus species. The specimens studied were growing individually on manure rich soil in the state of Kerala, India. [3]

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References

  1. ↑ "Species fungorum - Leucocoprinus pusillus T.K.A. Kumar & Manim., Mycotaxon 108: 418 (2009)". www.speciesfungorum.org. Retrieved 2022-07-19.
  2. ↑ "Mycobank Database - Leucocoprinus pusillus".
  3. 1 2 3 4 Arun Kumar, T. K.; Manimohan, P. (2009-07-16). "The genera Leucoagaricus and Leucocoprinus (Agaricales, Basidiomycota) in Kerala State, India". Mycotaxon. 108 (1): 385–428. doi: 10.5248/108.385 . ISSN   0093-4666.
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