Roadless Areas
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Russula decolorans

(Fr.) Fr.

Graying Russula

G5Secure Found in 7 roadless areas NatureServe Explorer →
G5SecureGlobal Rank
Least concernIUCN
Identity
Unique IDELEMENT_GLOBAL.2.881383
Element CodeNFRUS00B00
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryFungus
IUCNLeast concern
Endemicoccurs (regularly, as a native taxon) in multiple nations
KingdomFungi
PhylumBasidiomycota
ClassBasidiomycetes
OrderRussulales
FamilyRussulaceae
GenusRussula
Synonyms
Agaricus decoloransFr.Myxacium decolorans(Fr.) P. Kumm.
Other Common Names
Greying Russula (EN)
Concept Reference
Phillips, R. 1991. Mushrooms of North America. Little, Brown and Company, Boston. 319 pp.
Conservation Status
Rank MethodExpertise without calculation
Review Date2015-05-25
Change Date2015-05-25
Ecology & Habitat
Terrestrial Habitats
Forest - Conifer
Other Nations (2)
CanadaN4
ProvinceRankNative
QuebecS4Yes
Island of NewfoundlandSNRYes
Nova ScotiaSUYes
AlbertaS4Yes
Prince Edward IslandSUYes
British ColumbiaS4Yes
New BrunswickSUYes
LabradorSNRYes
SaskatchewanSUYes
ManitobaS3Yes
United StatesNNR
ProvinceRankNative
IndianaSNRYes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (7)
Alaska (2)
AreaForestAcres
Chugach-13Chugach National Forest13,337
Thorne RiverTongass National Forest72,983
California (1)
AreaForestAcres
Mt. HoffmanModoc National Forest9,780
New Mexico (2)
AreaForestAcres
Black CanyonSanta Fe National Forest1,922
Canada Bonito RNASanta Fe National Forest487
Oregon (2)
AreaForestAcres
Gordon MeadowsWillamette National Forest9,463
Wind CreekMt. Hood National Forest5,438
References (5)
  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.