Leucocoprinus martinicensis

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Leucocoprinus martinicensis
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Agaricaceae
Genus: Leucocoprinus
Species:
L. martinicensis
Binomial name
Leucocoprinus martinicensis
Blanco-Dios (2020)
Synonyms

Leucocoprinus tenellus Pegler (1983)

Leucocoprinus martinicensis
Information icon.svg
Gills icon.png Gills on hymenium
Campanulate cap icon.svgFlat cap icon.svg Cap is campanulate or flat
Free gills icon2.svg Hymenium is free
Bare stipe icon.svg Stipe is bare
Transparent spore print icon.svg
Transparent spore print icon.svg
Spore print is white to yellow
Saprotrophic fungus.svgEcology is saprotrophic
Mycomorphbox Question.pngEdibility is unknown

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

Contents

Taxonomy

It was first described in 1983 by the British mycologist David Pegler who classified it as Leucocoprinus tenellus [3] however this was an illegitimate name since it had already been used for another species.

It was reclassified by the mycologist Jaime Bernardo Blanco-Dios in 2020 as Leucocoprinus martinicensis. [4]

Pegler states that the species may have been recorded in 1851 from Costa Rica by Elias Magnus Fries as Agaricus (Hiatula) crenulatus. [5] However this citation is incorrect as Agaricus crenulatus is documented as being beige-purple. [6] [7] The correct spelling of the name is Agaricus (Hiatula) crenulata and since the description of this species is very similar, it can be assumed that this is what Pegler intended to compare it to. [8]

Description

Leucocoprinus martinicensis is a small dapperling mushroom with thin, unchanging yellowish white flesh that may be up to 1.5mm thick at the cap disc.

Cap: 3.5-7cm wide, starting conical or campanulate (bell shaped) before flattening with a shallow depression around the small umbo. The surface is pale yellow and covered with brown woolly scales (floccose squamules) whilst the centre disc is smooth, brown and fades to brownish orange with age. The cap edges are heavily striated (plicate-striate) up the cap surface almost to the centre disc. Gills: Free with a collar, close at 4mm wide and yellowish white. Stem: 7.7-13 cm long and 3.5-8mm thick tapering slightly from the club shaped base where white mycelium is present. The surface is pale yellow with shiny, loose woolly scales but soon becomes smooth whilst the interior is hollow. The presence of a stem ring has not been documented, it may either quickly disappear or be absent to begin with. Spore print: Yellowish white. Spores: Ovoid to ellipsoid with a germ pore. Dextrinoid. 10.5-14.4 x 7.7-9.8 μm. Smell: Indistinct. [9]

Fries' description of Agaricus (Hiatula) crenulata is very similar and only differs in the spore colour which he describes as white rather than the yellowish white of L. martinicensis. [8] Such a difference might simply come down to the differences in personal perception and description of colour however.

Habitat and distribution

L. martinicensis is scarcely recorded and little known.

A 2006 study documented this species from Kerala state, India where it was found growing individually or in groups on soil. [9]

Similar species

Related Research Articles

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References

  1. "Species fungorum - Leucocoprinus martinicensis Blanco-Dios, Index Fungorum 449: 1 (2020)". www.speciesfungorum.org. Retrieved 2022-07-19.
  2. "Mycobank Database - Leucocoprinus martinicensis".
  3. Pegler, David Norman (1983). Agaric Flora of the Lesser Antilles. H.M. Stationery Office. ISBN   978-0-11-241180-2.
  4. Blanco-Dios, Jaime B. (2020-07-16). "Nomenclatural novelties : Jaime B. Blanco-Dio" (PDF). Index Fungorum. 449: 1 via www.indexfungorum.org.
  5. Pegler, David Norman (1983). Agaric Flora of the Lesser Antilles. H.M. Stationery Office. ISBN   978-0-11-241180-2.
  6. Fries, Elias (1821). Systema mycologicum : sistens fungorum ordines, genera et species, huc usque cognitas, quas ad normam methodi naturalis determinavit. Vol. 1. Lundae: Ex Officina Berlingiana. p. 112.
  7. Schumacher, Christian Friedrich (1803). Enumeratio plantarum in partibus Saellandiae septentrionalis et orientalis. Vol. 2. Hafniae: F. Brummer. pp. 293–294.
  8. 1 2 Fries, Elias (1851). Novae symbolae mycologicae : in peregrinis terris a botanicis danicis collectae. Vol. 1851. Upsaliae: Excudit C.A. Leffler Reg. Acad. Typographus. pp. 27–28.
  9. 1 2 3 Deepa, S.; K.B., Vrinda; Pradeep, C.K. (January 2006). "More leucocoprinoid fungi from Western Ghats". Mushroom Research. 15 (2): 107–108 via www.researchgate.net.