Phylum: Ascomycota	Class: Sordariomycetes
Order: Diaporthales	Family: Valsaceae
Species: Cytospora populina (Pers.) Rabenh.

Synonyms:

Cryptosphaeria populina Cryptosporella populina Cucurbitaria populina Cytispora leucosperma Cytospora ambiens Cytospora germanica Cytospora leucosperma Cytospora microstoma Cytospora rhodophila Euvalsa ambiens Hypospila populina Linospora populina Naemaspora leucosperma Otthia populina Sphaeria ambiens Sphaeria diatrypa Sphaeria microstoma Sphaeria populina Sphaeria tetraspora Valsa ambiens Valsa ambiens subsp. ambiens Valsa ambiens subsp. leucostomoides Valsa ambiens var. betulae Valsa ambiens var. carpini Valsa ambiens var. coryli Valsa ambiens var. crataegi Valsa ambiens var. mali Valsa ambiens var. populi Valsa ambiens var. pyri Valsa betulina Valsa diatrypa Valsa germanica Valsa leucostomoides Valsa microstoma Valsa opulina Valsa pauperata Valsa populina Valsa rhodophila Valsa subseriata

Common Name:

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Associated Species (where recorded) & number of records: Malus (1) Populus alba (1) Sorbus aucuparia (1)

Habitat (where recorded) & number of records: Parkland and scattered trees: broadleaved (1)

Substrate (where recorded) & number of records: Dead Branch (1) Dead Twig (1) Tree (1)

Months recorded in & number of records: January (2) February (2) March (1) April (1)