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Home/Species/ Marshmallow Polypore

Spongiporus leucospongia

(Cooke & Harkn.) Murrill

Marshmallow Polypore

GNRUnranked Found in 51 roadless areas NatureServe Explorer →
GNRUnrankedGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.1059700
Element CodeNFPOL27030
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryFungus
KingdomFungi
PhylumBasidiomycota
ClassBasidiomycetes
OrderPolyporales
FamilyDacryobolaceae
GenusSpongiporus
Synonyms
Oligoporus leucospongia(Cooke & Harkn.) Gilb. & RyvardenPostia leucospongia(Cooke & Harkn.) JülichTyromyces leucospongia(Cooke & Harkn.) Bondartsev & SingerTyromyces leucospongius(Cooke & Harkn.) Bondartsev & Singer
Concept Reference
Index Fungorum and Species Fungorum. 2018. In Index Fungorum-Species Fungorum (https://indexfungorum.org and https://speciesfungorum.org) database export on 16 June 2018. Royal Botanic Gardens, Kew.
Taxonomic Comments
Species Fungorum (2025) transfers Tyromyces leucospongius to Spongiporus leucospongia; these represent the same concept for the element.
Ecology & Habitat
Other Nations (2)
United StatesNNR
ProvinceRankNative
MontanaSNRYes
CanadaNU
ProvinceRankNative
Yukon TerritorySUYes
British ColumbiaSUYes
AlbertaS3Yes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (51)
California (25)
AreaForestAcres
Burnt Lava FlowModoc National Forest8,387
Carson - IcebergStanislaus National Forest56,430
Castle PeakTahoe National Forest14,974
Cucamonga CSan Bernardino National Forest4,106
DardanellesEldorado National Forest8,110
Dinkey LakesSierra National Forest34,171
Heart LakeLassen National Forest9,349
Hoover - Mt.olsenHumboldt-Toiyabe National Forest624
Hoover - NorthHumboldt-Toiyabe National Forest1,574
Hoover - Virginia LksHumboldt-Toiyabe National Forest5,050
HortonInyo National Forest5,717
MayfieldLassen National Forest14,444
Mt. HoffmanModoc National Forest9,780
Mt. OlsenInyo National Forest2,161
Mt. Shasta AShasta-Trinity National Forest676
Mt. Shasta BShasta-Trinity National Forest2,809
Mt. VidaModoc National Forest7,771
NessieInyo National Forest830
NightStanislaus National Forest3,173
Raymond PeakStanislaus National Forest3,646
SherwinInyo National Forest3,140
Tioga LakeInyo National Forest829
Tragedy - Elephants BackEldorado National Forest20,866
Trail LakeLassen National Forest1,124
Wheeler RidgeInyo National Forest15,744
Colorado (1)
AreaForestAcres
San MiguelSan Juan NF64,263
Idaho (1)
AreaForestAcres
Peace RockBoise National Forest191,734
Nevada (1)
AreaForestAcres
Rose - GalenaHumboldt-Toiyabe National Forest3,711
Oregon (5)
AreaForestAcres
Coleman RimFremont National Forest10,638
Mt. EmilyWallowa-Whitman National Forest8,421
North PaulinaDeschutes National Forest19,670
South PaulinaDeschutes National Forest9,074
W. BoundaryWinema National Forest2,345
Utah (15)
AreaForestAcres
0419020Ashley National Forest355,684
418001Uinta National Forest5,697
418002Uinta National Forest19,152
418003Uinta National Forest10,912
418004Uinta National Forest16,661
418012Uinta National Forest25,758
418013Uinta National Forest14,643
418040Uinta National Forest1,702
Bullion - DelanoFishlake National Forest14,917
Fishlake MountainFishlake National Forest25,217
High Uintas (UT)Wasatch-Cache National Forest102,398
LakesWasatch-Cache National Forest121,967
NoblettsWasatch-Cache National Forest3,116
Tushar MountainFishlake National Forest39,992
White PineWasatch-Cache National Forest1,942
Washington (3)
AreaForestAcres
Devils GulchWenatchee National Forest24,419
Grassy TopColville National Forest10,302
Grassy TopIdaho Panhandle National Forests13,485
References (3)
  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. Kroeger, P. and S.M. Berch. 2017. Macrofungus species of British Columbia. Prov. B.C., Victoria, B.C. Tech. Rep. 108. Available online: &lt;<a href="https://www.for.gov.bc.ca/hfd/pubs/Docs/Tr/TR108.htm">https://www.for.gov.bc.ca/hfd/pubs/Docs/Tr/TR108.htm</a>&gt;.