Psathyrella spadicea
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Psathyrellaceae
Genus: Psathyrella
Species:
P. spadicea
Binomial name
Psathyrella spadicea
(Schaeff.) Singer (1951)
Synonyms
  • Agaricus spadiceus Schaeff. (1783)
  • Homophron spadiceum (P. Kumm.) Örstadius & E. Larss. (2015)

Psathyrella spadicea or Homophron spadiceum,[1] commonly known as the chestnut brittlestem,[2] is a species of agaric fungus in the family Psathyrellaceae. The fungus was originally described by German mycologist Jacob Christian Schäffer in 1783 as Agaricus spadiceus. Rolf Singer transferred it to the genus Psathyrella in 1951, in which it was classified in the section Spadiceae.[3] In 2015 Örstadius & Larsson recreated the genus Homophron (a name used at the sub-genus level since 1883)[1] for a group of psathyrelloid mushrooms with no veil and with light-coloured spores, and P. spadicea was moved to the new genus.[4][5]

Psathyrella spadicea is found in Europe and North America. In North America, it is more common in northern regions, including Alaska and the Yukon Territories, than further south. Fruitbodies produce reddish to red-brown spore prints.[6]

This mushroom is edible.[7]

See also

References

  1. 1 2 "the Homophron spadiceum page". Species Fungorum. Royal Botanic Gardens Kew. Retrieved 2021-07-13.
  2. ↑ "Recommended English Names for Fungi in the UK" (PDF). British Mycological Society. Archived from the original (PDF) on 2011-07-16.
  3. ↑ Vašutová M. (2008). "Taxonomic studies on Psathyrella sect. Spadiceae" (PDF). Czech Mycology. 60 (2): 137–71. doi:10.33585/cmy.60201.
  4. ↑ Örstadius L, Ryberg M, Larsson E (2015). "Molecular phylogenetics and taxonomy in Psathyrellaceae (Agaricales) with focus on psathyrelloid species: introduction of three new genera and 18 new species". Mycological Progress. 14 (5). doi:10.1007/s11557-015-1047-x. S2CID 16637489. Retrieved 2021-07-13.
  5. ↑ Læssøe, H.; Petersen, Jens (2019). Fungi of Temperate Europe. Princeton University Press. p. 578. ISBN 9780691180373.
  6. ↑ Miller OK, Miller H. (2006). North American Mushrooms: A Field Guide to Edible and Inedible Fungi. Falcon Guide. p. 239. ISBN 978-0-7627-3109-1.
  7. ↑ Boa ER. (2004). Wild Edible Fungi: A Global Overview of Their Use and Importance to People. Food & Agriculture Organization. p. 138. ISBN 978-92-5-105157-3.


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