Leucocoprinus scissus

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Leucocoprinus scissus
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Agaricaceae
Genus: Leucocoprinus
Species:
L. scissus
Binomial name
Leucocoprinus scissus
Justo, Angelini & Bizzi (2021)
Leucocoprinus scissus
Information icon.svg
Gills icon.png Gills on hymenium
Flat cap icon.svgConical cap icon.svg Cap is flat or conical
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 scissus is a species of mushroom producing fungus in the family Agaricaceae. [1] [2]

Contents

Taxonomy

It was described in 2021 by the mycologists Alfredo Justo, Angelini Claudio and Alberto Bizzi who classified it as Leucocoprinus scissus. [3]

Description

Leucocoprinus scissus is a small dapperling mushroom with thin whitish flesh.

Cap: 1–4 cm wide starting conical-campanulate before expanding to conical to flat with a slight umbo. The surface is white with small, scattered brownish-ochre scales that surround the umbo and become sparser towards the cap margins. The margins are striated almost to the centre of the cap but are fragile and prone to splitting at maturity.

Gills: Free, white and moderately crowded, with a bulge in the middle (ventricose).

Stem: 2.5–6 cm wide and 2.5-4mm thick. It is cylindrical with a slight clavate taper up from the base which is up to 6mm thick. The surface is smooth and whitish above the stem ring and ochre-yellow below with the colour becoming more intense towards the base, where white threadlike (filiform) rhizomorphs may be present. The membranous stem ring is small and white but is easily removed and may sometimes be missing.

Spores: Ovoid to ellipsoid, without a germ pore. Dextrinoid and metachromatic. (5.5) 6-8 (8.5) x 4-6 (6.5) μm.

Smell: Indistinct. [3]

Etymology

The specific epithet scissus is Latin for torn or split. [4] This is in reference to the tendency for the edges of the cap to split at maturity. [3]

Habitat and distribution

The species was discovered in the Dominican Republic where it was found growing gregariously on leaf litter in deciduous woodland in November. [3]

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References

  1. ↑ "Species fungorum - Leucocoprinus scissus". www.speciesfungorum.org. Retrieved 2022-07-19.
  2. ↑ "Mycobank Database - Leucocoprinus scissus".
  3. 1 2 3 4 Justo, Alfredo; Angelini, Claudio; Bizzi, Alberto (2021-01-22). "The genera Leucoagaricus and Leucocoprinus in the Dominican Republic". Mycologia. 113 (2): 348–389. doi:10.1080/00275514.2020.1819142. ISSN   0027-5514. PMID   33481687.
  4. ↑ "Botanical Latin (L) & Greek (G)" (PDF).
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