Cercosporella virgaureae (von Thümen) Allescher, 1895

on Erigeron, Solidago

Erigeron annuus, Belgium, prov. Limbourg, Dilsen-Stokkem, Oude Maas, 11.viii.2019 © Carina Van Steenwinkel

leaf with beginning infestation, upperside

underside

advanced infestation

underside

terminal infestation

underside

colonies in detail

conidiophores

conidia

conidia

parasite

Conidia 3-7 x 20-100 µm, generally 2-5-septate.

host plants

Asteraceae, oligophagous

Erigeron acris, annuus, bonariensis, canadensis; Solidago virgaurea.

references

Bakhshi (2018a), Blumer (1946a), Braun (1995b), Doppelbauer (1973a), Jage, Kruse, Kummer ao (2013a), Kruse (2014a), Ludwig (1974a), Pirnia, Zare, Zamanizadeh & Khodaparast (2012a), Ruszkiewicz-Michalska (2006a), Videira, Groenewald, Nakashima ao (2017a).