Septoria crataegi Kickx, 1867

on hawthorn

Septoria crataegi: leaf spots on Crataegus monogyna

Crataegus monogyna, Belgium, prov. Limbourg, Dilsen-Stokkem, Oude Maas, 11.viii.2019 © Carina Van Steenwinkel

Septoria crataegi: pycnidium

pycnidium

Septoria crataegi: conidia

conidia

Septoria crataegi: conidium

conidium

parasite

Pycnidia epiphyllous; conidia 52-75 µm long, 1 to several indistinct septs, numerous oil droplets.

host plants

Rosaceae, monophagous

Crataegus monogyna.

nomenclature

MycioBbank cites Desmazières as the author of the species, instead of Kickx.

references

Brandenburger (1985a: 251).

mod 17.viii.2019