Phylum: Basidiomycota Class: Basidiomycetes
Order: Boletales Family: Paxillaceae
Species: Paxillus involutus (Batsch) Fr.
Synonyms: Agaricus contiguus
Paxillus involutus var. subinvolutus
Common Name: Brown Rollrim
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This distribution map was produced using DMap
Paxillus involutusPhotographer: © 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:
Abies procera (1)
Alnus glutinosa (1)
Beech (1)
Betula (1)
Betula jacquemontii (1)
Betula pendula (1)
Betula pubescens (1)
Corylus avellana (1)
Fagus sylvatica (1)
Fraxinus excelsior (1)
Larix (1)
Larix decidua (1)
Picea abies (1)
Picea sitchensis (1)
Pinus sylvestris (1)
Quercus (1)
Quercus petraea (1)
Habitat (where recorded) & number of records:
Woodland: broadleaved, semi-natural (33)
Woodland: mixed (12)
Woodland: broadleaved (9)
Woodland (7)
Built-up areas (6)
Parkland and scattered trees (5)
Woodland: coniferous, plantation (5)
Neutral grassland: semi-improved (4)
Woodland: broadleaved, plantation (4)
Woodland: mixed, plantation (4)
Acid grassland (3)
Built up area, domestic (3)
Mire: blanket bog (3)
Parkland and scattered trees: mixed (3)
Acid grassland: unimproved (2)
Bog (2)
Boundaries: hedge with trees, species-rich (2)
Woodland: mixed, semi-natural (2)
Woodland: plantation (2)
Acid grassland: semi-improved (1)
Boundaries: hedge with trees (1)
Calcareous grassland: semi-improved (1)
Grassland: acidic, upland (1)
Marginal/inundation: marginal (1)
Neutral grassland: unimproved (1)
Parkland and scattered trees: broadleaved (1)
Scrub (1)
Woodland: coniferous (1)
Substrate (where recorded) & number of records:
Dead Wood (1)
Grass (1)
Soil (1)
Soil bare (1)
Soil Grassy (1)
Soil Leaves (1)
Soil Mossy (1)
Soil Needle (1)
Soil Peat (1)
Tree (1)
Months recorded in & number of records:
January (2)
June (1)
July (9)
August (33)
September (80)
October (80)
November (18)