Septoria spec.

on Quercus

Septoria spec. on Quercus rubra

Quercus rubra, Belgium, prov. Antwerp, Geel, Gemeentelijke visvijver, 13.vi.2018 © Carina Van Steenwinkel

Septoria spec. on Quercus rubra

leaf spots, upper side

Septoria spec. on Quercus rubra

underside of a single leaf spot

Septoria spec. on Quercus rubra, conidia

conidia

Septoria spec. on Quercus rubra: conidia

conidia

parasite

Conidia 1 x 20-25 µm, 1-septate, with acute tips, no mucilaginous cap; no constriction at the septum.

host plants

Fagaceae

Quercus rubra.

mod 27.vi.2018