Phylum: Ascomycota	Class: Taphrinomycetes
Order: Taphrinales	Family: Taphrinaceae
Species: Taphrina betulina Rostr.

Synonyms:

Ascomyces turgidus Exoascus turgidus Taphrina turgida Ysgub y Wrach

Common Name:

Birch Besom

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This distribution map was produced using DMap

On Birch

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: Betula (17) Betula pubescens (5) Betula pendula (2) Fraxinus excelsior (1)

Habitat (where recorded) & number of records: Parkland and scattered trees: mixed (4) Bog: raised (3) Built up area, domestic (3) Woodland and scrub (3) Woodland: broadleaved, plantation (2) Woodland: broadleaved, semi-natural (2) Woodland: mixed, plantation (2) Boundaries: hedge with trees (1) Marginal/inundation: marginal (1) Other habitat (1) Woodland: coniferous (1) Woodland: mixed (1) Woodland: mixed, semi-natural (1)

Substrate (where recorded) & number of records: Tree (22) Wood (3)

Months recorded in & number of records: January (2) February (1) March (3) April (7) May (2) June (1) July (3) August (3) September (5) October (13) November (2) December (1)