Mycetinis opacus

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Mycetinis opacus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Omphalotaceae
Genus: Mycetinis
Species:
M. opacus
Binomial name
Mycetinis opacus
(Berk. & M.A.Curtis) A.W.Wilson and Desjardin (2005)
Synonyms[1]
  • Marasmius opacus Berk. & M.A.Curtis (1849)
  • Chamaeceras opacus (Berk. & M.A.Curtis) Kuntze (1898)
  • Marasmiellus opacus (Berk. & M.A.Curtis) Singer (1951)
  • Gymnopus opacus (Berk. & M.A.Curtis) J.L.Mata & R.H.Petersen (2004)

Mycetinis opacus is a species of agaric fungus first described in 1849 by Miles Joseph Berkeley and Moses Ashley Curtis as Marasmius opacus.[2] Andrew Wilson and Dennis Desjardin transferred it to Mycetinis in 2005.[3]

The cap reaches only to about 2 centimetres (34 in) in diameter.[4] The stem is up to 5 cm (2 in) long and the spore print is white.[5] The species has conspicuous pale mycelial cords and unlike some other members of its genus, it does not smell of garlic.[4]

It is found in eastern North America (May–September)[5] and rarely in Japan, growing especially on dead Rhododendron material, but also on debris of oak, pine, and eastern hemlock.[4]

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