Macropsalliota americana

Macropsalliota americana
Scientific classification
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Agaricaceae
Genus: Macropsalliota
Species:
M. americana
Binomial name
Macropsalliota americana
(Peck) Kun L. Yang, Jia Y. Lin & Zhu L. Yang (2024)
Synonyms
  • Agaricus americanus (Peck)
  • Lepiota americana (Peck) Sacc.
  • Lepiota bresadolae Schulzer
  • Agaricus americanus Peck (1869)
  • Leucocoprinus americanus (Peck) Redhead (1979)
  • Leucocoprinus biornatus sensu auct. brit., auct. eur. (2005)
  • Leucoagaricus americanus (Peck) Vellinga (2000)
Macropsalliota americana
Mycological characteristics
Gills on hymenium
Cap is flat or convex
Hymenium is free
Stipe has a ring
Spore print is white
Ecology is saprotrophic
Edibility is not recommended

Macropsalliota americana, commonly known as the American parasol, is the type species of the fungus genus Macropsalliota. It was formerly known as Leucoagaricus americanus. It is widely distributed in North America, mostly east of the Rocky Mountains. It is saprobic and grows on sawdust, wood chips, stumps, and the ground.