Monilinia johnsonii (Ellis & Everhart) Honey, 1936
on Crataegus
Crataegus monogyna, Amstelveen, Schinkelbos
Crataegus monogyna, Well (Li): leaf spot, with a group of conidiophores in the centre
detail
gall
The anamorph (conidial stage) makes leaf spots. On the upperside or underside these have a small greyish colony of conidiophores. The teleomorh (sexual stage) makes small stalked, cupulate mushrooms on fallen, dried, fruits.
host plants
Rosaceae, monophagous
Crataegus monogyna.
synonyms
Monilia crataegi Diedicke, 1904 (name of the anamorph)
references
Brandenburger (1985a), Ellis & Ellis (1997a), Ruszkiewicz-Michalska (2006a).
mod 16.viii.2019