Bremia cirsii (Jaczewski) Tao & Yu, 1992

on Cirsium

Cirsium arvense, Belgium, prov. Flemish Brabant, Zoutleeuw, het Vinne © Carina Van Steenwinkel

same leaf, underside

down

conidiophores

detail

basal part of the conidiophores

conidium

gall

externally hardly different from Bremia lactucae; molecular-genetic analyses nevertheless show that it is an independent species.

hostplants

Asteraceae, monophagous

Cirsium acaulon, arvense, canum, erisethales, oleraceum, palustre, vulgare.

synonyms

Klenke & Schoiller consider cirsii identical with B. lactucae.

references

Chater, Woods, Stringer, ao (2020a), Choi & Thines (2015a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Kruse (2019a), Thines, Runge, Telle & Voglmayr (2010a).