Sphaerulina cornicola (de Candolle) Verkley, Quaedvlieg, & Crous (2013)

on Cornus

Sphaerulina cornicola on Cornus sanguinea

Cornus sanguinea, IJmuiden

Sphaerulina cornicola on Cornus sanguinea

the spots generally have a purple border; with a hand lens tiny black specks are visible at the upperside of the spot

Sphaerulina cornicola on Cornus sanguinea

they are the opening of pycnidia, that themselves are less than 0.1 mm in diameter.

hostplants

Cornceae, monophagous

Cornus sanguinea.

synonyms

Septoria cornicola (de Candolle) Desmazières, 1867; Phyllosticta cornicola (de Candolle) Rabenhorst, 1857.

notes

Very common.

references

Brandenburger (1985a), Ellis & Ellis (1997a), Riegler-Hagler (2002b), Ruszkiewicz-Michalska (2006a).

mod 3.vi.2018