Septoria galinsogae Spegazzini, 1882

on Galinsoga

Galinsoga parviflora, Belgium, prov. Flemish Brabant, Molenstede-Dassenaarde © Carina Van Steenwinkel

leaf spots

pycnidium

two conidia

parasite

The conidia in the material depicted above are up to 90 µm long. This differs from the descriptions, that state 30-60 µm.

hostplants

Asteraceae, monophagous

Galinsoga parviflora.

references

Brandenburger (1985a: 624), Viégas (1945a).