Septoria erigerontis Peck, 1872

on Erigeron

Septoria erigerontis on Erigeron annuus

Erigeron annuus, Belgium, prov. Limburg, Genk, de Maten © Carina Van Steenwinkel

Septoria erigerontis on Erigeron annuus

same leaf, underside

Septoria erigerontis on Erigeron annuus

leaf spot, upperside

Septoria erigerontis on Erigeron annuus: pycnidia

leaf spot, underside with pycnidia

Septoria erigerontis: pycnidium opened

opened pycnidium

Septoria erigerontis: conidia

conidia

gall

The conidia generally are 1-3-septate, 25-50 µm long, and have minute oil drops.

hostplants

Asteraceae, monophagous

Erigeron annuus.

references

Brandenburger (1985a: 615), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a), Quaedvlieg, Verkley, Shin ao (2013a), Riegler-Hagler (2002b), Scheuer & Bechter (2012a), Verkley, Quaedvlieg, Shin & Crous (2013a).

25/05/2017

pub 11.vii.2017 · mod 4.viii.2017