Xerula megalospora

Xerula megalospora is a species of gilled mushroom in the family Physalacriaceae.

Xerula megalospora
Scientific classification
Kingdom:
Fungi
Division:
Basidiomycota
Class:
Agaricomycetes
Order:
Agaricales
Family:
Physalacriaceae
Genus:
Xerula
Species:
X. megalospora
Binomial name
Xerula megalospora
(Clem.) Redhead, Ginns & Shoemaker (1987)[1]
Synonyms

Clitocybe megalospora Clem. (1896)
Oudemansiella megalospora (Clem.) Zhu L.Yang, G.M.Muell., G.Kost & Rexer (2009)

Xerula megalospora
float
Mycological characteristics
gills on hymenium
cap is convex or umbonate
hymenium is adnexed
stipe is bare
spore print is white
ecology is saprotrophic
edibility: unknown

Xerula megalospora fruit bodies occur on the ground, solitarily or in small groups. They are saprobic and found near the well-decayed stumps of oak or other broadleaf trees. This species can grow up to 13 cm (5.1 in) high. The caps, 2–10 cm (0.8–3.9 in) across, can be a convex or umbonate shape eventually becoming flat and centrally depressed. The cap is viscid and colored smokey white to pale buff. Gills are adnate, white, and smooth. The flesh of Xerula megalospora is white, and the odor is sometimes described as being reminiscent of carrots. The stipe contains a root-like extension 8–12 cm (3.1–4.7 in) long. The spore print is white. The spores of this species are a distinguishing feature being a relatively large 18–23 by 11–14 μm. The botanical name megalospora means large-spored. The spore shape is citriniform (i.e., lemon shaped), the surface is finely roughened, and spores are non-amyloid. This species is widespread and fairly common in urban areas.

References
  1. Redhead SA, Ginns J, Shoemaker RA (1987). "The Xerula (Collybia, Oudemansiella) radicata complex in Canada". Mycotaxon. 30: 357–405.
  • Barron, George (1999). Mushrooms of Ontario and Eastern Canada. Lone Pine Publishing, Edmonton. ISBN 1-55105-199-0
  • Roody, William C. (2003). Mushrooms of West Virginia and the Central Appalachians. The University Press of Kentucky, Lexington. ISBN 978-0-8131-9039-6


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