Sphaerulina quercicola (Desmazières) Quaedvlieg, Verkley & Crous, 2013

on Quercus

Sphaerulina quercicola on Quercus robur

Querus robur, Well (Li.)

Sphaerulina quercicola on Quercus rubra

Querus rubra, Well (Li.)

Sphaerulina quercicola: leaf spots on Quercus robur

Quercus robur, Bergen NH, Uilenvanger: underside of a leaf

Sphaerulina quercicola: leaf spot on Quercus robur

detail of a single leaf spot; the two dark points are pycnidia

Sphaerulina quercicola: pycnidium releasing conidia

pycnidium releasing its content of conidia

Sphaerulina quercicola: conidia

the conidia are indistinctly 3-septate

hostplants

Fagaceae, monophagous

Quercus robur, rubra

synonyms

Septoria quercicola (Desmazières) Saccardo, 1879.

references

Brandenburger (1985a: 65), Crous, Quaedvlieg, Sarpkaya ao (2013a) , Ellis & Ellis (1997a), Quaedvlieg, Verkley, Shin ao (2013a).

mod 27.vi.2018