Phylum: Basidiomycota	Class: Agaricomycetes
Order: Agaricales	Family: Bolbitiaceae
Species: Bolbitius titubans var. titubans (Bull.) Fr.

Synonyms:

Agaricus boltonii Agaricus equestris Agaricus flavidus Agaricus fragilis Agaricus titubans Agaricus vitellinus Bolbitius boltonii Bolbitius flavidus Bolbitius fragilis Bolbitius vitellinus Bolbitius vitellinus var. fragilis Bolbitius vitellinus var. titubans Prunulus boltonii Prunulus titubans

Common Name:

Yellow Fieldcap

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This distribution map was produced using DMap

Photographer: © Mark Wright

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View this species in its UK context on the NBN Atlas

Associated Species (where recorded) & number of records: Carex (21) Bos domestic (7) Fagus sylvatica (4) Poaceae (4) Poa (2) Calluna vulgaris (1) Lolium perenne (1)

Habitat (where recorded) & number of records: Woodland and scrub (15) Neutral grassland: semi-improved (7) Woodland: broadleaved, semi-natural (7) Woodland (5) Woodland: mixed (5) Parkland and scattered trees (4) Parkland and scattered trees: mixed (4) Woodland: broadleaved, plantation (4) Acid grassland: semi-improved (3) Woodland: broadleaved (3) Acid grassland (2) Boundaries: defunct hedge (2) Calcareous grassland: unimproved (2) Neutral grassland (2) Neutral grassland: unimproved (2) Woodland: mixed, plantation (2) Bog: raised (1) Boundaries: intact hedge (1) Built up area, domestic (1) Calcareous grassland (1) Cultivated/disturbed land (1) Cynosurus cristatus-Centaurea nigra grassland (1) Grassland: acidic, unimproved, lowland (1) Grassland: calcareous, unimproved, upland (1) Grassland: neutral, semi-improved, lowland (1) Heathland: wet dwarf shrub heath, upland (1) Heathland: wet heath/acid grassland mosaic, upland (1) Marsh/marshy grassland (1) Other artificial habitats (1) Parkland and scattered trees: broadleaved (1) Poor semi-improved (1) Wet heath/acid grassland (1) Woodland: coniferous, plantation (1) Woodland: mixed, semi-natural (1)

Substrate (where recorded) & number of records: Soil Grassy (65) Soil (25) Dung (9) Grass (3) Soil Mossy (1) Soil sandy (1) Straw heap (1)

Months recorded in & number of records: January (2) March (5) April (1) May (5) June (1) July (9) August (19) September (24) October (59) November (27)