Phylum: Basidiomycota	Class: Agaricomycetes
Order: Agaricales	Family: Omphalotaceae
Species: Rhodocollybia butyracea (Bull.) Lennox

Synonyms:

Agaricus bibulosus Agaricus butyraceus Agaricus leiopus Cap Menyn Collybia bibulosa Collybia bibulosum Collybia butyracea Collybia butyracea f. butyracea Collybia butyracea var. bibulosa Collybia butyracea var. butyracea Rhodocollybia butyracea f. butyracea

Common Name:

Butter Cap

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This distribution map was produced using DMap

Photographer: © Roy Anderson

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View this species in its UK context on the NBN Atlas

Associated Species (where recorded) & number of records: Fagus sylvatica (56) Corylus avellana (14) Larix (13) Quercus (8) Pinus (6) Picea (6) Picea sitchensis (4) Picea abies (4) Pseudotsuga menziesii (4) Salix (3) Quercus petraea (3) Pinus sylvestris (3) Betula pubescens (3) Betula pendula (3) Betula (2) Larix decidua (2) Tsuga heterophylla (1) Prunus laurocerasus (1) Pinaceae (1) Crataegus monogyna (1) Calluna vulgaris (1) Alnus glutinosa (1) Acer pseudoplatanus (1) Abies alba (1) Pinus contorta (1)

Habitat (where recorded) & number of records: Woodland: mixed (29) Woodland (17) Woodland: broadleaved, semi-natural (15) Woodland: coniferous, plantation (15) Woodland: broadleaved (14) Woodland: broadleaved, plantation (13) Neutral grassland: semi-improved (9) Parkland and scattered trees (9) Woodland and scrub (9) Woodland: mixed, semi-natural (7) Woodland: mixed, plantation (6) Acid grassland (4) Built up area, domestic (4) Acid grassland: semi-improved (3) Woodland: coniferous (3) Boundaries: defunct hedge (2) Grassland and marsh (2) Parkland and scattered trees: broadleaved (2) Parkland and scattered trees: mixed (2) Woodland: plantation (2) Bare ground (1) Bog: raised (1) Boundaries: hedge with trees, species-rich (1) Grassland: acidic, unimproved, lowland (1) Grassland: improved/reseeded, lowland (1) Marsh/marshy grassland (1) Recently felled woodland (1) Rowan-birch woods (1) Sand-dune: dune scrub (1) Scrub (1) Scrub: dense/continuous, acidic (1) Woodland: broadleaved, plantation, high forest (1) Woodland: broadleaved, semi-natural, high forest (1) Woodland: coniferous, semi-natural, high forest (1) Woodland: mixed, plantation, coppice (1)

Substrate (where recorded) & number of records: Soil Leaves (75) Soil (73) Soil Needle (24) Soil Grassy (19) Leaf Litter (9) Soil Mossy (5) Litter (4) Needles (1)

Months recorded in & number of records: January (12) February (2) March (2) June (1) July (5) August (10) September (30) October (129) November (98) December (10)