Phylum: Ascomycota Family: Nectriaceae
Fusarium culmorum (Wm. G. Sm.) Sacc.
A common and widespread fungal plant pathogen and the causal agent of blights and root and stalk rot, noticeable on commercial and allotment crops
References:
Seifert, K. et al. (2011) The Genera of Hyphomycetes