Psathyrella piluliformis

Species of fungus From Wikipedia, the free encyclopedia

Psathyrella piluliformis, commonly known as the clustered brittlestem,[2] is a species of agaric fungus in the family Psathyrellaceae.

Quick facts Scientific classification, Binomial name ...
Psathyrella piluliformis
Scientific classification Edit this classification
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Psathyrellaceae
Genus: Psathyrella
Species:
P. piluliformis
Binomial name
Psathyrella piluliformis
(Bull.) P.D.Orton (1969)
Synonyms[1]
  • Agaricus piluliformis Bull. (1783)
  • Psathyrella hydrophila (Bull.) Maire
Close
Cluster of mature brittlestem mushrooms (Psathyrella piluliformis), after a rain

Description

It produces fruit bodies (mushrooms) with broadly convex caps measuring 2–5 cm (34–2 inches) in diameter.[3] The caps are chestnut to reddish brown, the color fading with age and with dry weather.[3] Fragments of the partial veil may remain on the cap margin, and as a wispy band of hairs on the stipe.[3]

The closely spaced gills have an adnate attachment to the stipe.[3] They are initially tan until the spores mature, when the gills turn dark brown.[3] The stipe is 2–7 cm tall and 3–7 mm wide, white, smooth, hollow, and bulging at the base.[3] The spore print is dark brown, sometimes purplish.[4]

Similar species

Similar species include Psathyrella carbonicola, P. longipes, P. longistriata, P. multipedata, P. spadicea, and Parasola conopilus.[3][5]

Habitat and distribution

Fruiting occurs in clusters at the base of hardwood stumps.[3]

Uses

The species is considered edible but of low quality,[1][6] with fragile flesh and being difficult to identify.[5]

See also

References

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