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

Synonyms:

Agaricus asemus Agaricus bibulosus Agaricus butyraceus Agaricus butyraceus ? asemus Agaricus butyraceus var. asemus Agaricus leiopus Collybia asema Collybia bibulosa Collybia bibulosum Collybia butyracea Collybia butyracea f. butyracea Collybia butyracea forma asema Collybia butyracea forma butyracea Collybia butyracea var. asema Collybia butyracea var. bibulosa Collybia butyracea var. butyracea Rhodocollybia butyracea f. butyracea Rhodocollybia butyracea forma asema Rhodocollybia butyracea forma 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 (58) Larix (15) Corylus avellana (14) Quercus (8) Pinus (6) Picea (6) Pseudotsuga menziesii (4) Picea sitchensis (4) Picea abies (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) Abies alba (1) Alnus glutinosa (1) Calluna vulgaris (1) Pinus contorta (1) Acer pseudoplatanus (1) Pinaceae (1) Crataegus monogyna (1)

Habitat (where recorded) & number of records: Woodland: mixed (29) Woodland (17) Woodland: coniferous, plantation (16) Woodland: broadleaved, semi-natural (15) Woodland: broadleaved (14) Woodland: broadleaved, plantation (13) Woodland and scrub (10) Neutral grassland: semi-improved (9) Parkland and scattered trees (9) Woodland: mixed, plantation (8) Woodland: mixed, semi-natural (7) 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 (76) Soil (75) Soil Needle (26) 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 (135) November (99) December (10)