Roadless Areas
Home/Species/ Gray Polypore

Cerrena unicolor

(Bull.) Murrill

Gray Polypore

GNRUnranked Found in 18 roadless areas NatureServe Explorer →
GNRUnrankedGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.946890
Element CodeNFPOL04010
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryFungus
KingdomFungi
PhylumBasidiomycota
ClassBasidiomycetes
OrderPolyporales
FamilyPolyporaceae
GenusCerrena
Synonyms
Boletus unicolorBull.Coriolus unicolor(Bull.) Pat.Daedalea unicolor(Bull.) Fr.Lenzites unicolor(Bull.) G. Cunn.
Concept Reference
Phillips, R. 1991. Mushrooms of North America. Little, Brown and Company, Boston. 319 pp.
Taxonomic Comments
Species Fungorum (2025) includes Boletus umbrinus (= Suillus unicolor) in Cerrena unicolor, while Mycobank (2025) treats them as distinct.
Ecology & Habitat
Other Nations (2)
CanadaN5
ProvinceRankNative
British ColumbiaS3Yes
Prince Edward IslandSUYes
New BrunswickSUYes
Island of NewfoundlandSNRYes
Nova ScotiaS4Yes
SaskatchewanS4Yes
AlbertaS5Yes
Northwest TerritoriesS4Yes
ManitobaS4Yes
QuebecS5Yes
Yukon TerritoryS4Yes
United StatesNNR
ProvinceRankNative
MontanaSNRYes
IndianaSNRYes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (18)
Minnesota (2)
AreaForestAcres
Cabin CreekSuperior National Forest6,071
Hegman LakesSuperior National Forest675
Montana (2)
AreaForestAcres
Big Snowy Mountains WsaLewis and Clark National Forest88,003
Marston Face # 172Kootenai National Forest9,098
New Hampshire (7)
AreaForestAcres
Carr MountainWhite Mountain National Forest17,110
JobildunkWhite Mountain National Forest3,660
Kinsman MountainWhite Mountain National Forest8,999
Mt. Wolf - Gordon PondWhite Mountain National Forest11,846
PemigewassetWhite Mountain National Forest32,255
Pemigewasset ExtWhite Mountain National Forest15,840
Sandwich RangeWhite Mountain National Forest16,797
Pennsylvania (2)
AreaForestAcres
Hearts ContentAllegheny National Forest221
Minister ValleyAllegheny National Forest1,417
Utah (1)
AreaForestAcres
Lava BedsDixie National Forest14,944
Vermont (1)
AreaForestAcres
Devil's Den 09083Green Mountain and Finger Lakes National Forests9,169
Virginia (1)
AreaForestAcres
Three RidgesGeorge Washington National Forest4,745
Washington (1)
AreaForestAcres
Salmo - Priest BColville National Forest11,869
West Virginia (1)
AreaForestAcres
Canaan LoopMonongahela National Forest7,867
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. MycoBank. 2025. MycoBank database download, export date January 2025. International Mycological Association. [http://www.mycobank.org]
  4. Phillips, R. 1991. Mushrooms of North America. Little, Brown and Company, Boston. 319 pp.
  5. Species Fungorum. Species Fungorum Partnership (CABI, IT IS, Catalogue of Life). http://www.speciesfungorum.org. (accessed 2015)