Phylum: Ascomycota	Class: Sordariomycetes
Order: Xylariales	Family: Diatrypaceae
Species: Diatrypella favacea (Fr.) Ces. & De Not.

Synonyms:

Birch Blackhead Diatrype affinis Diatrype angulata Diatrype aspera Diatrype favacea Diatrype nigroannulata Diatrype tocciaeana Diatrype verrucaeformis Diatrype verruciformis Diatrype verruciformis var. affinis Diatrype verruciformis var. tocciaeana Diatrypella aspera Diatrypella nigroannulata Diatrypella tocciaeana Diatrypella verruciformis Libertella faginea f. minor Libertella favacea Myxosporium croceum Naemaspora crocea Naemospora crocea Sphaeria angulata Sphaeria aspera Sphaeria favacea Sphaeria nigroannulata Sphaeria parallela Sphaeria verrucaeformis Sphaeria verruciformis Stromatosphaeria nigroannulata Valsa angulata

Common Name:

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Associated Species (where recorded) & number of records: Fagus sylvatica (22) Corylus avellana (9) Betula (4) Betula pubescens (2) Alnus incana (1) Quercus (1) Ulex europaeus (1)

Habitat (where recorded) & number of records: Woodland: broadleaved, semi-natural (9) Woodland and scrub (6) Woodland (5) Woodland: broadleaved, plantation (5) Scrub: dense/continuous (4) Woodland: mixed, plantation (4) Neutral grassland: semi-improved (3) Built up area, domestic (2) Parkland and scattered trees (2) Parkland and scattered trees: broadleaved (2) Woodland: broadleaved (2) Woodland: mixed (2) Grassland: calcareous, semi-improved, upland (1) Neutral grassland (1) Parkland and scattered trees: mixed (1) Scrub (1) Towns (1) Woodland: broadleaved, plantation, high forest (1) Woodland: coniferous, plantation (1) Woodland: mixed, plantation, high forest (1)

Substrate (where recorded) & number of records: Branch (25) Wood (6) Twig (2) Dead Branch (1) Dead Wood (1) Fallen Tree (1) Fallen Wood (1) Standing Dead Branch (1)

Months recorded in & number of records: January (4) February (3) March (9) April (8) May (2) June (3) July (2) August (5) September (11) October (14) November (3)