Ramularia calthae Lindroth, 1902

on Caltha

Caltha palustris, Belgium, prov. Antwerp, Laakdal, de Roost, 18.iv.2022 © Carina Van Steenwinkel

infected leaf

advanced ionfection

leaf spot

caespitulus

conidia 1.5-4 x 10-39 µm, 0-1 septate (sometimes 2-3)

parasite

Caespituli both hypophyllous and epiphyllous.

host plants

Ranunculaceae, monophagous

Caltha palustris.

distribution within Europe

PESI (2022).

synonyms

R. calthae is often considered a synonym of Ramularia didyma.

references

Béguinot & Chevassut (1993a), Brandenburger (1985a: 141), Braun (1998a), Chater, Woods, Stringer, ao (2021a), Mułenko & Wołczańska (2004a), Poelt & Fritz-Schroeder (1983a), Wołczańska (2005a).