Final diagnosis


Stemphylium botryosum f. lactucum (Stemphylium leaf spot)

A few multicellular and muriform conidia form at the tip of conidiophores swollen at their tip. Subsequently, these spores gradually turn brown. <b> <i> Stemphylium botryosum </i> f. <i>lactucum</i> </b> (stemphyliosis, "<i> stemphylium </i> leaf spot")