Bremia lapsanae Sydow, 1938

on Lapsana

Bremia lapsanae on Lapsana communis

Lapsana communis, Belgium, prov. Limbourg, Beringen, Kolenhaven, 3.vi.2019 © Carina Van Steenwinkel

Bremia lapsanae on Lapsana communis

same leaf, underside

Bremia lapsanae: down on Lapsana communis

down

Bremia lapsanae: conidiophore

conidiophore

Bremia lapsanae: conidiophore

conidiophore, ultimate branches

Bremia lapsanae: conidium

conidium

gall

externally hardly different from Bremia lactucae; molecular-genetic data nevertheless demonstrate that is is an independent species.

host plants

Asteraceae, monophagous

Lapsana communis.

synonyms

Klenke & Scholler consider lapsanae identical with B. lactucae. The spelling “lampsanae” is incorrect.

references

Choi & Thines (2015a), Doppelbaur, Huber & Poelt (1965a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Müller (2015a), Thines, Runge, Telle & Voglmayr (2010a).

mod 5.vi.2019