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Tremella mesenterica

Retz.:Fr.

Witch's Butter

GNRUnranked Found in 103 roadless areas NatureServe Explorer →
GNRUnrankedGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.125177
Element CodeNFFUN0W010
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryFungus
Endemicoccurs (regularly, as a native taxon) in multiple nations
KingdomFungi
PhylumBasidiomycota
ClassBasidiomycetes
OrderTremellales
FamilyTremellaceae
GenusTremella
Synonyms
Hormomyces aurantiacusBonord.
Other Common Names
Yellow Butter (EN)
Concept Reference
Phillips, R. 1991. Mushrooms of North America. Little, Brown and Company, Boston. 319 pp.
Conservation Status
Review Date1993-01-06
Change Date1993-01-06
Edition Date1993-01-06
Edition AuthorsAnnable, C.
Range Extent Comments
Widespread.
Ecology & Habitat
Other Nations (2)
United StatesNNR
ProvinceRankNative
IndianaSNRYes
CanadaN5
ProvinceRankNative
SaskatchewanS4Yes
Nova ScotiaSUYes
British ColumbiaS5Yes
Island of NewfoundlandSNRYes
ManitobaS4Yes
Yukon TerritoryS4Yes
LabradorSNRYes
AlbertaS4Yes
QuebecS5Yes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (103)
Alabama (1)
AreaForestAcres
Reed BrakeTalladega National Forest621
Alaska (19)
AreaForestAcres
Bering LakeChugach National Forest965,076
Boston BarChugach National Forest53,617
Chugach-12Chugach National Forest8,116
Chugach-13Chugach National Forest13,337
Copper River WetlandsChugach National Forest85,972
Game CreekTongass National Forest54,469
Johnson PassChugach National Forest152,508
Kenai LakeChugach National Forest213,172
Kenai MountainsChugach National Forest306,600
Nellie JuanChugach National Forest713,697
North RevillaTongass National Forest215,430
Port AlexanderTongass National Forest120,681
ResurrectionChugach National Forest224,615
RhineTongass National Forest23,010
Roaded DonutChugach National Forest968
Sheridan GlacierChugach National Forest224,683
Tenakee RidgeTongass National Forest20,527
Twenty MileChugach National Forest198,775
Yakutat ForelandsTongass National Forest323,648
Arizona (3)
AreaForestAcres
Black CanyonPrescott National Forest10,683
Cimarron HillsCoconino National Forest5,303
GoldfieldTonto National Forest15,257
Arkansas (2)
AreaForestAcres
Brush HeapOuachita National Forest4,205
Little BlakelyOuachita National Forest3,342
California (9)
AreaForestAcres
Arroyo SecoAngeles National Forest4,703
Bald RockPlumas National Forest4,675
Castle Crags AShasta-Trinity National Forest113
Castle Crags BShasta-Trinity National Forest1,619
Chips CreekPlumas National Forest12,940
Ferguson RidgeSierra National Forest6,104
MosesSequoia National Forest22,077
Strawberry PeakAngeles National Forest7,245
Trumbull PeakStanislaus National Forest6,164
Colorado (2)
AreaForestAcres
HermosaSan Juan NF148,103
Storm PeakSan Juan NF57,617
Georgia (4)
AreaForestAcres
Helton CreekChattahoochee National Forest2,348
Kelly RidgeChattahoochee National Forest8,325
Miller CreekChattahoochee National Forest701
Pink KnobChattahoochee National Forest12,127
Idaho (1)
AreaForestAcres
Bighorn - WeitasNez Perce-Clearwater National Forest254,845
Illinois (1)
AreaForestAcres
Ripple HollowShawnee National Forest3,788
Montana (3)
AreaForestAcres
Bmss Ra 1485Flathead National Forest334,275
Buckhorn Ridge (MT)Kootenai National Forest34,716
Willard Estelle #173Kootenai National Forest3,714
New Hampshire (5)
AreaForestAcres
Carr MountainWhite Mountain National Forest17,110
Great Gulf Ext.White Mountain National Forest15,110
KilkennyWhite Mountain National Forest28,766
Kinsman MountainWhite Mountain National Forest8,999
Sandwich RangeWhite Mountain National Forest16,797
New Mexico (4)
AreaForestAcres
Black CanyonSanta Fe National Forest1,922
Nichols ReservoirSanta Fe National Forest1,518
Pecos WS RiverSanta Fe National Forest5,396
Tesuque CreekSanta Fe National Forest810
North Carolina (15)
AreaForestAcres
Bald MountainPisgah National Forest11,085
Balsam ConePisgah National Forest10,591
BearwallowPisgah National Forest4,113
Harper CreekPisgah National Forest7,325
Jarrett CreekPisgah National Forest7,485
Laurel MountainPisgah National Forest5,683
Linville Gorge AdditionPisgah National Forest2,809
Lost CovePisgah National Forest5,944
Mackey MountainPisgah National Forest5,934
SnowbirdNantahala National Forest8,489
South Mills RiverPisgah National Forest8,588
Wesser BaldNantahala National Forest4,061
Wilson CreekPisgah National Forest4,863
Woods MountainPisgah National Forest9,602
Yellowhammer Branch (add.)Nantahala National Forest1,255
Oregon (3)
AreaForestAcres
LarchMt. Hood National Forest12,961
North KalmiopsisSiskiyou National Forests91,560
Wind CreekMt. Hood National Forest5,438
Pennsylvania (3)
AreaForestAcres
Allegheny FrontAllegheny National Forest7,430
Hearts ContentAllegheny National Forest221
Tracy RidgeAllegheny National Forest9,034
Tennessee (2)
AreaForestAcres
Bald MountainCherokee National Forest11,743
Rogers RidgeCherokee National Forest4,738
Utah (7)
AreaForestAcres
418001Uinta National Forest5,697
418002Uinta National Forest19,152
418003Uinta National Forest10,912
Horse Mountain - Mans PeakManti-Lasal National Forest22,159
LakesWasatch-Cache National Forest121,967
NoblettsWasatch-Cache National Forest3,116
Temple PeakWasatch-Cache National Forest24,081
Virginia (11)
AreaForestAcres
Bear CreekJefferson National Forest18,274
Beartown Addition BJefferson National Forest2,985
Beaver Dam CreekJefferson National Forest1,135
Brush MountainJefferson National Forest6,002
Hoop HoleJefferson National Forest4,652
Kelley MountainGeorge Washington National Forest7,590
New London Bridge BranchJefferson National Forest844
North MountainJefferson National Forest8,377
Oak KnobGeorge Washington National Forest10,882
Rogers RunJefferson National Forest181
Southern MassanuttenGeorge Washington National Forest11,985
Washington (8)
AreaForestAcres
Dark DivideGifford Pinchot National Forest52,483
EntiatWenatchee National Forest72,617
Glacier Peak KMt Baker-Snoqualmie National Forest47,269
Jupiter RidgeOlympic National Forest10,148
LightningOlympic National Forest7,179
Moonlight DomeOlympic National Forest4,919
Mt. Baker Noisy - DiobsudMt Baker-Snoqualmie National Forest56,039
South QuinaultOlympic National Forest11,081
References (5)
  1. Farr, D.F., G.F. Bills, G.P. Chamuris, A.Y. Rossman. 1989. Fungi on plants and plant products in the United States. APS Press, St. Paul. 1252 pp.
  2. 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.
  3. 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.
  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)