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).