Crepidotus cesatii

Crepidotus cesatii, commonly known as the roundspored oysterling, is a species of saprophytic fungus in the family Crepidotaceae with a stipeless sessile cap. It is often found on woody and herbaceous plant debris from many different hosts including conifers, appearing from late summer to winter usually in small scattered groups. Often confused with Crepidotus variabilis, it can be distinguished by its different spores.[3]

Crepidotus cesatii
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Crepidotaceae
Genus: Crepidotus
Species:
C. cesatii
Binomial name
Crepidotus cesatii
(Sacc. 1877)[1]
Synonyms[2]
  • Agaricus variabilis var. sphaerosporus
  • Crepidotus sphaerosporus
  • Dochmiopus sphaerosporus

Description
  • Cap: The cap (pileus) of C. variabilis is generally about 0.4 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 margin more or less inrolled.[3]
  • Gills: Colour is whitish, then buff-brown with pink flush, fairly distant, decurrent to base.[3]
  • Spores: The spore print is pinkish-buff, more pink than C. variabilis. Their shape is subspherical and minutely warty, measuring 6.5–8.5 × 5–7 µm in size.[3]
  • Absent features: No stipe (stem) or annulus (ring).
Crepidotus cesatii
View the Mycomorphbox template that generates the following list
Gills on hymenium
Lacks a stipe
Spore print is buff

References
  1. Sylloge Fungorum 5: 879 (1887) [MB#191614]
  2. Crepidotus cesatii in MycoBank.
  3. Buczacki, Stefan; Shields, Chris; Ovenden, Denys (2012). "Crepidotus cesatii". Collins Fungi Guide. London: Harper Collins. ISBN 9780007466481.

Bibliography
  • Saccardo, P.A. 1887. Sylloge Hymenomycetum, Vol. I. Agaricineae. Sylloge Fungorum. 5:1-1146
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