Phylum: Ascomycota	Class: Leotiomycetes
Order: Helotiales	Family: Hyaloscyphaceae
Species: Polydesmia pruinosa (Berk. & Broome) Boud.

Synonyms:

Cyphella pruinosa Helotium jerdonii

Common Name:

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View this species in its UK context on the NBN Atlas

Associated Species (where recorded) & number of records: Hypoxylon fragiforme (3) Diatrype disciformis (2) Larix (1) Populus alba (1) Fagus sylvatica (1) Diatrypella quercina (1) Corylus avellana (1) Eutypa flavovirens (1) Hypoxylon fuscum (1)

Habitat (where recorded) & number of records: Woodland: mixed (3) Neutral grassland: semi-improved (2) Woodland (2) Woodland and scrub (2) Woodland: broadleaved (2) Woodland: broadleaved, semi-natural (2) Woodland: mixed, plantation, high forest (2) Built up area, domestic (1) Marsh/marshy grassland (1) Neutral grassland (1) Parkland and scattered trees (1) Woodland: coniferous, plantation (1)

Substrate (where recorded) & number of records: Fruitbody (2) Wood (2) Branch (1) Wood Cut End (1)

Months recorded in & number of records: January (2) June (1) September (3) October (7) November (3) December (1)