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Marasmius oreades

(Bolton) Fr.

Fairy Ring Mushroom

G5Secure Found in 5 roadless areas NatureServe Explorer →
G5SecureGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.881228
Element CodeNFMAR000C0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryFungus
Endemicoccurs (regularly, as a native taxon) in multiple nations
KingdomFungi
PhylumBasidiomycota
ClassBasidiomycetes
OrderAgaricales
FamilyTricholomataceae
GenusMarasmius
Synonyms
Agaricus oreadesBoltonCollybia oreades(Bolton) P. Kumm.Scorteus oreades(Bolton) Earle
Other Common Names
Fairy Ring Champignon (EN) Marasme des Oréades (FR)
Concept Reference
Phillips, R. 1991. Mushrooms of North America. Little, Brown and Company, Boston. 319 pp.
Taxonomic Comments
This genus is now considered in the family Marasmiaceae.
Conservation Status
Rank MethodExpertise without calculation
Review Date2015-11-09
Change Date2015-11-09
Ecology & Habitat
Terrestrial Habitats
Suburban/orchardUrban/edificarian
Other Nations (2)
CanadaN5
ProvinceRankNative
British ColumbiaS4Yes
SaskatchewanS4Yes
ManitobaS4Yes
Prince Edward IslandSUYes
QuebecS5Yes
New BrunswickSUYes
AlbertaS5Yes
Island of NewfoundlandSNRYes
Nova ScotiaSUYes
United StatesNNR
ProvinceRankNative
IndianaSNRYes
MontanaSNRYes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (5)
California (1)
AreaForestAcres
Orleans Mtn. CSix Rivers National Forest15,589
Montana (3)
AreaForestAcres
Big Snowy Mountains WsaLewis and Clark National Forest88,003
Bmss Ra 1485Flathead National Forest334,275
West Big HoleBeaverhead-Deerlodge National Forest133,563
Wyoming (1)
AreaForestAcres
Phillips RidgeBridger-Teton National Forest10,108
References (6)
  1. 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.
  2. 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.
  3. Index Fungorum. Online global fungal nomenclator. Index Fungorum Partnership (CABI, CBS, Landcare Research). www.indexfungorum.org (accessed 2012).
  4. MycoBank. 2025. MycoBank database download, export date January 2025. International Mycological Association. [http://www.mycobank.org]
  5. Phillips, R. 1991. Mushrooms of North America. Little, Brown and Company, Boston. 319 pp.
  6. Species Fungorum. Species Fungorum Partnership (CABI, IT IS, Catalogue of Life). http://www.speciesfungorum.org. (accessed 2015)