Phylum: Basidiomycota Class: Agaricomycetes
Order: Auriculariales Family: Auriculariaceae
Species: Exidia thuretiana (Lév.) Fr.
Synonyms: Exidia albida
Exidia marginata
Tremella albida
Tremella cerebrina
Tremella hyalina
Tremella thuretiana
Ymennydd Gwyn
Common Name: White Brain


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This distribution map was produced using DMap
Exidia thuretianaPhotographer: © David Mitchel
Photographer: © David Mitchel

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View this species in its UK context on the NBN Atlas
Associated Species (where recorded) & number of records:
Fagus sylvatica (35)
Fraxinus excelsior (14)
Acer pseudoplatanus (5)
Quercus (4)
Salix (3)
Corylus avellana (3)
Ulmus glabra (2)
Hedera helix (2)
Quercus petraea (2)
Populus (1)
Larix (1)
Betula pubescens (1)
Acer (1)
Salix cinerea subsp. oleifolia (1)
Ulmus (1)
Crataegus monogyna (1)
Quercus robur (1)
Habitat (where recorded) & number of records:
Woodland and scrub (16)
Parkland and scattered trees (9)
Neutral grassland: semi-improved (7)
Woodland (7)
Woodland: broadleaved, semi-natural (7)
Woodland: mixed (5)
Woodland: mixed, plantation, high forest (5)
Built up area, domestic (4)
Scrub (3)
Woodland: broadleaved (3)
Woodland: mixed, plantation (3)
Boundaries: hedge with trees, species-rich (2)
Woodland: plantation (2)
Boundaries: defunct hedge, species-poor (1)
Boundaries: hedge with trees (1)
Grassland: marshy, lowland (1)
Lowland hazel-sessile oakwoods (1)
Parkland and scattered trees: broadleaved (1)
Scrub: dense/continuous, neutral (1)
Western valley ash-wych elm woods (1)
Wet ash-wych elm woods: Light soil forms (1)
Wet valley alderwoods (1)
Woodland: broadleaved, plantation (1)
Woodland: broadleaved, plantation, high forest (1)
Woodland: broadleaved, semi-natural, under planted (1)
Woodland: coniferous, plantation (1)
Woodland: mixed, semi-natural (1)
Substrate (where recorded) & number of records:
Branch (37)
Wood (15)
Dead Wood (7)
Twig (7)
Fallen Tree (6)
Fallen Branch (4)
Dead Branch (3)
Stump (3)
Dead Twig (2)
Soil (2)
Soil Leaves (2)
Tree (2)
Fallen Stem (1)
Fallen Twig (1)
Fallen Wood (1)
Leaf Litter (1)
Rotting Wood (1)
Months recorded in & number of records:
January (15)
February (5)
March (3)
April (1)
May (1)
June (4)
July (1)
August (6)
September (20)
October (33)
November (18)
December (12)