Phylum: Basidiomycota	Class: Agaricomycetes
Order: Agaricales	Family: Tricholomataceae
Species: Tricholoma sulphureum (Bull.) P. Kumm.

Synonyms:

Agaricus bufonius Agaricus sulphureus Gymnopus sulphureus Marchog Drewllyd Marchog Swlffwraidd Stinky Knight Tricholoma bufonium Tricholoma sulphureum var. bufonium Tricholoma sulphureum var. sulphureum

Common Name:

Sulphur Knight

An ectomycorrhizal species

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This distribution map was produced using DMap

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 (37) Corylus avellana (13) Quercus (12) Quercus petraea (6) Quercus robur (2) Fraxinus excelsior (1) Ilex aquifolium (1) Nothofagus (1) Betula pubescens (1)

Habitat (where recorded) & number of records: Woodland: broadleaved, semi-natural (26) Woodland (16) Woodland and scrub (12) Woodland: mixed (11) Neutral grassland: semi-improved (10) Parkland and scattered trees (8) Built up area, domestic (7) Woodland: broadleaved (7) Woodland: mixed, semi-natural (5) Scrub (4) Woodland: coniferous, plantation (4) Parkland and scattered trees: mixed (2) Woodland: mixed, plantation (2) Boundaries: defunct hedge (1) Boundaries: hedge with trees (1) Boundaries: hedge with trees, species-rich (1) Grassland: calcareous, semi-improved, upland (1) Marsh/marshy grassland (1) Sand-dune: dune scrub (1) Woodland: plantation (1)

Substrate (where recorded) & number of records: Soil (58) Soil Leaves (12) Leaf Litter (7) Soil Mossy (6) Dead stump (1) Soil Grassy (1) Wood (1)

Months recorded in & number of records: January (2) February (1) March (3) August (5) September (24) October (72) November (3)