Phylum: Basidiomycota Class: Tremellomycetes
Order: Tremellales Family: Tremellaceae
Species: Tremella mesenterica Retz.
Synonyms: Hormomyces aurantiacus
Tremella lutescens
Tremella mesenterica var. lutescens
Common Name: Yellow Brain


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Tremella mesentericaPhotographer:  David Mitchel
Photographer: David Mitchel

Photographer:  David Mitchel Photographer:  David Mitchel
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View this species in its UK context on the BMS Database
Associated Species (where recorded) & number of records:
Ulex europaeus (32)
Quercus (11)
Fagus sylvatica (8)
Fraxinus excelsior (7)
Peniophora incarnata (6)
Acer pseudoplatanus (3)
Sambucus nigra (3)
Salix (2)
Ulmus glabra (2)
Salix cinerea (2)
Salix caprea (2)
Alnus glutinosa (2)
Peniophora lycii (2)
Pinus (1)
Crataegus monogyna (1)
Peniophora cinerea (1)
Betula pubescens (1)
Corylus avellana (1)
Ulex (1)
Cytisus scoparius (1)
Quercus robur (1)
Habitat (where recorded) & number of records:
Woodland: broadleaved, semi-natural (13)
Neutral grassland: semi-improved (7)
Scrub (7)
Parkland and scattered trees (6)
Scrub: scattered (6)
Woodland: mixed, semi-natural (6)
Woodland: mixed (5)
Acid grassland: semi-improved (4)
Woodland: broadleaved (4)
Woodland: mixed, plantation, high forest (4)
Built up area, domestic (3)
Woodland (3)
Woodland: broadleaved, plantation, high forest (3)
Artifical rock exposure and waste: quarry (2)
Calcareous grassland: unimproved (2)
Grassland: neutral, upland (2)
Lolium perenne-Cynosurus cristatus grassland (2)
Parkland and scattered trees: mixed (2)
Scrub: dense/continuous (2)
Woodland and scrub (2)
Woodland: coniferous, plantation (2)
Bog (1)
Boundaries, permanently wet ditch (1)
Boundaries: defunct hedge (1)
Cultivated/disturbed land: introduced shrub (1)
Grassland and marsh (1)
Marginal/inundation: inundation (1)
Navigable canals (1)
Valley alderwoods on mineral soils (1)
Woodland: broadleaved, semi-natural, under planted (1)
Woodland: mixed, plantation (1)
Substrate (where recorded) & number of records:
Acer pseudoplatanus (37)
Dead Wood (17)
Castanea sativa (15)
Quercus rubra (4)
Soil (4)
Dead Branch (3)
Dead Twig (3)
Tree (3)
Twig (3)
branch (2)
Fallen Branch (2)
Fallen Twig (2)
Fallen Wood (1)
Norway Maple (1)
Rotting Wood (1)
Standing Dead Branch (1)
Stump (1)
Months recorded in & number of records:
January (16)
February (6)
March (7)
April (7)
May (6)
July (12)
August (6)
September (16)
October (36)
November (18)
December (9)