Phylum: Ascomycota	Class: Leotiomycetes
Order: Helotiales	Family: Pezizellaceae
Species: Calycina claroflava (Grev.) Kuntze

Synonyms:

Bisporella claroflava Bisporella sulfurina Calycella claroflava Calycella sulfurina Helotium citrinicolor Helotium claroflavum Helotium sulfurinum Peziza claroflava Sulphur Disco

Common Name:

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This distribution map was produced using DMap

Photographer: © David Mitchel

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View this species in its UK context on the NBN Atlas

Associated Species (where recorded) & number of records: Fagus sylvatica (16) Quercus (6) Fraxinus excelsior (6) Acer pseudoplatanus (4) Corylus avellana (3) Quercus petraea (3) Alnus glutinosa (3) Tilia (2) Salix (2) Ulex europaeus (1) Salix caprea (1) Acer (1) Crataegus monogyna (1) Diatrypella favacea (1) Betula pubescens (1) Quercus robur (1)

Habitat (where recorded) & number of records: Woodland and scrub (11) Woodland: broadleaved, semi-natural (8) Woodland (7) Parkland and scattered trees (5) Woodland: broadleaved, plantation (5) Woodland: mixed (5) Neutral grassland: semi-improved (3) Woodland: broadleaved (3) Built up area, domestic (2) Woodland: broadleaved, semi-natural, high forest (2) Woodland: mixed, semi-natural (2) Boundaries: hedge with trees (1) Dry heath/acid grassland (1) Grassland: marshy, lowland (1) Marsh/marshy grassland (1) Parkland and scattered trees: mixed (1) Scrub (1) Scrub: dense/continuous (1) Woodland: broadleaved, semi-natural, coppice with standards (1) Woodland: coniferous, plantation (1) Woodland: mixed, plantation (1)

Substrate (where recorded) & number of records: Branch (31) Wood (13) Dead Wood (3) Log (2) Fallen Branch (1) Fallen Tree (1) Fallen Twig (1) Soil (1) Standing Dead Tree (1) Twig (1)

Months recorded in & number of records: January (3) March (2) May (1) June (3) July (3) August (8) September (12) October (27) November (6) December (4)