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Macropsalliota americana

(Peck) Kun L. Yang, Jia Ying Lin & Zhu L. Yang

a fungus

GNRUnranked Found in 2 roadless areas NatureServe Explorer →

GNRUnrankedGlobal Rank

Identity

Unique IDELEMENT_GLOBAL.2.125762

Element CodeNFFUN1R010

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryFungus

Endemicoccurs (regularly, as a native taxon) in multiple nations

KingdomFungi

PhylumBasidiomycota

ClassBasidiomycetes

OrderAgaricales

FamilyAgaricaceae

GenusMacropsalliota

Synonyms

Lepiota americanaPk.Leucoagaricus americanus(Peck) VellingaLeucocoprinus americanus(Peck) Redhead

Concept Reference

Phillips, R. 1991. Mushrooms of North America. Little, Brown and Company, Boston. 319 pp.

Taxonomic Comments

Species Fungorum (2025) transfers Lepiota americana (=Leucoagaricus americanus) to Macropsalliota americana; these represent the same concept for the element.

Conservation Status

Change Date1996-10-01

Ecology & Habitat

Other Nations (2)

United StatesNNR

Province	Rank	Native
Indiana	SNR	Yes

CanadaN4

Province	Rank	Native
Alberta	S3	Yes
British Columbia	SU	Yes
Quebec	S4	Yes
Nova Scotia	SU	Yes
Manitoba	SU	Yes

Plant Characteristics

Economic Value (Genus)No

Roadless Areas (2)

Virginia (1)

Area	Forest	Acres
Beaver Dam Creek	Jefferson National Forest	1,135

Washington (1)

Area	Forest	Acres
Salmo - Priest B	Colville National Forest	11,869

References (4)

Index Fungorum and Species Fungorum. 2018. <i>In</i> Index Fungorum-Species Fungorum (<a href="https://indexfungorum.org" target="_blank">https://indexfungorum.org</a> and <a href="https://speciesfungorum.org" target="_blank">https://speciesfungorum.org</a>) database export on 16 June 2018. Royal Botanic Gardens, Kew.
Index Fungorum and Species Fungorum. 2025. <i>In</i> Index Fungorum-Species Fungorum (<a href="https://indexfungorum.org" target="_blank">https://indexfungorum.org</a> and <a href="https://speciesfungorum.org" target="_blank">https://speciesfungorum.org</a>) database export on 29 September 2025. Royal Botanic Gardens, Kew.
MycoBank. 2025. MycoBank database download, export date January 2025. International Mycological Association. [http://www.mycobank.org]
Phillips, R. 1991. Mushrooms of North America. Little, Brown and Company, Boston. 319 pp.