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 (57) Corylus avellana (14) Larix (13) Picea (9) Quercus (8) Pinus (6) Pseudotsuga menziesii (4) Picea sitchensis (4) Picea abies (4) Salix (3) Quercus petraea (3) Pinus sylvestris (3) Betula pubescens (3) Betula pendula (3) Larix decidua (2) Betula (2) Acer pseudoplatanus (1) Calluna vulgaris (1) Tsuga heterophylla (1) Alnus glutinosa (1) Cupressaceae (1) Pinus contorta (1) Pinaceae (1) Abies alba (1) Crataegus monogyna (1) Prunus laurocerasus (1)

Habitat (where recorded) & number of records: Woodland: mixed (21) Woodland (13) Woodland: broadleaved, plantation (13) Woodland: coniferous, plantation (12) Woodland: broadleaved (10) Woodland: broadleaved, semi-natural (10) Woodland and scrub (9) Woodland: mixed, semi-natural (7) Woodland: mixed, plantation (6) Parkland and scattered trees (5) Acid grassland (4) Acid grassland: semi-improved (3) Neutral grassland: semi-improved (3) Boundaries: defunct hedge (2) Grassland and marsh (2) Parkland and scattered trees: broadleaved (2) Parkland and scattered trees: mixed (2) Woodland: coniferous (2) Woodland: plantation (2) Bare ground (1) Bog: raised (1) Boundaries: hedge with trees, species-rich (1) Churchyards and cemeteries (1) Grassland: improved/reseeded, lowland (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 (76) Soil (74) Soil Needle (24) Soil Grassy (20) Leaf Litter (9) Soil Mossy (5) Litter (4) Needles (1)

Months recorded in & number of records: January (14) February (2) March (2) June (1) July (5) August (11) September (35) October (158) November (112) December (12)