Ramularia gei (Eliasson) Lindroth, 1902

on Geum

Ramularia gei on Geum urbanum

Geum urbanum, Belgium, prov. Antwerp, Retie, Prinsenpark 29.vi.2018 © Carina Van Steenwinkel

Ramularia gei on Geum urbanum

same leaf, underside

Ramularia gei on Geum urbanum

leaf spot

Ramularia gei: caespitulus

colony

Ramularia gei: conidia

conidia

parasite

Conidia 2-6 x 6-22 µm, 0-1(2)-septate.

host plants

Rosaceae, monophagous

Geum aleppicum, macrophyllum, montanum, pyrenaicum, rivale, urbanum.

references

Braun (1998a), Brandenburger (1985a: 233), Ellis & Ellis (1995a), Jage, Kruse, Kummer ao (2013a), Kruse (2014a), Poelt & Fritz-Schroeder (1983a), Scheuer & Bechter (2012a), Unamuno (1943a), Wołczańska (2005a).

mod 2.vii.2018