Crepidotus variabilis

Crepidotus variabilis is a species of saprophytic fungi in the family Crepidotaceae. It is commonly known as a variable oysterling in the United Kingdom and is seen there in autumn.[2] May occur solitary, but more often in small scattered groups from summer to autumn on twigs and other woody debris of broad-leaved trees. Very common but often confused with Crepidotus cesatii.[3]

Crepidotus variabilis
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Crepidotaceae
Genus: Crepidotus
Species:
C. variabilis
Binomial name
Crepidotus variabilis
(Pers.) P. Kumm. 1871[1]
Synonyms

Agaricus albidus Balb., (1804)
Agaricus variabilis Pers., 1794
Claudopus variabilis (Pers.) 1876
Dochmiopus variabilis (Pers.) 1887
Hyporrhodius variabilis (Pers.) 1898
Octojuga variabilis (Pers.) 1889[1]

Crepidotus variabilis
View the Mycomorphbox template that generates the following list
Gills on hymenium
Cap is convex
Hymenium is free
Lacks a stipe
Spore print is buff to pink
Ecology is saprotrophic
Edibility is unknown

Description

  • Cap: The cap (pileus) of C. variabilis is generally about 0.5 to 2 cm in diameter is white and emerges kidney shaped soon becoming irregular and wavy forming patches of overlapping fruit bodies. The surface is very finely downy to velvety with a more or less smooth margin.[2][3]
  • Gills: On the underside, the gills (lamellae) appear somewhat fringed and are classified as free with no stipe to connect to. The colour of the gills depends on maturity ranging from off-white when young to ochraceous flesh-coloured as the spores mature.[2]
  • Spores: The spore print is pinkish-buff, reflecting the colour of the gills. The ellipsoid-shaped basidiospore of C. variabilis are 5.7 by 3-3.5 µm in size.[2]
  • Absent features: No stipe (stem) or annulus (ring).

References

  1. "Index Fungorum - Synonymy Record". www.indexfungorum.org. Retrieved 2022-05-16.
  2. "Variable Oysterling - Crepidotus variabilis". Nature Spot: Recording the Wildlife of Leicestershire & Rutland. Nature Spot. Retrieved June 17, 2022.
  3. Buczacki, Stefan; Shields, Chris; Ovenden, Denys (2012). "Crepidotus variabilis". Collins Fungi Guide. London: Harper Collins. ISBN 9780007466481.


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