Plant Parasites of Europe

leafminers, galls and fungi

Aecidium cardui

Aecidium cardui Sydow & Sydow, 1901

on Carduus


Spermogonia honey coloured. Aecia hypophyllous in circles on, up to 5 mm large, yellowish leaf spots; they are cuppulate, orange, with a white peridium divided into segments. Uredinia and telia, and possibly host alternation, unknown.

host plants

Asteraceae, narrowly monophagous

Carduus defloratus.


check here about the the genus Aecidium.


Brandenburger (1985a: 656), Gäumann (1959a), Klenke & Scholler (2015a).

Last modified 27.xi.2022