Phylum: Basidiomycota	Class: Agaricomycetes
Order: Russulales	Family: Russulaceae
Species: Russula nigricans Fr.

Synonyms:

Agaricus elephantinus Agaricus nigricans Omphalia adusta ß elephantinus Russula elephantina Russula nigrescens

Common Name:

Blackening Brittlegill

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 (106) Quercus (19) Corylus avellana (17) Quercus petraea (10) Betula (6) Tilia x vulgaris (2) Picea sitchensis (2) Betula pendula (2) Castanea sativa (1) Tilia platyphyllos x cordata = T. x europaea (1) Tilia (1) Taxus baccata (1) Pseudotsuga menziesii (1) Pinus sylvestris (1) Betula pubescens (1) Picea abies (1) Quercus robur (1)

Habitat (where recorded) & number of records: Woodland and scrub (23) Woodland (22) Woodland: broadleaved, semi-natural (22) Parkland and scattered trees (11) Woodland: broadleaved (11) Woodland: mixed (11) Parkland and scattered trees: mixed (9) Woodland: mixed, semi-natural (7) Woodland: mixed, plantation (5) Woodland: mixed, plantation, high forest (4) Woodland: plantation (4) Neutral grassland: semi-improved (3) Woodland: broadleaved, plantation (3) Boundaries: hedge with trees, species-rich (2) Built up area, domestic (2) Scrub (2) Woodland: broadleaved, plantation, high forest (2) Woodland: broadleaved, semi-natural, high forest (2) Woodland: coniferous (2) Woodland: coniferous, plantation (2) Acid grassland: unimproved (1) Bog (1) Bog: raised (1) Boundaries: defunct hedge (1) Grassland: acidic, unimproved, lowland (1) Grassland: calcareous, semi-improved, upland (1) Marginal/inundation: marginal (1) Neutral grassland (1) Wet dwarf shrub heath (1)

Substrate (where recorded) & number of records: Soil (85) Soil Leaves (30) Soil Mossy (23) Soil Grassy (17) Leaf Litter (2) Wood (2)

Months recorded in & number of records: January (7) March (2) May (1) July (5) August (56) September (104) October (76) November (8) December (3)