Microbotryum cardui (Fischer von Waldheim) Vánky, 1998

on Carduus

gall

a flower head is entirely filled with a dark purplish brown, powdery mass of spores.

host plants

Asteraceae, narrowly oligophagous

Carduus acanthoides, crispus, defloratus, kerneri, nutans, personata; Cirsium cf pyrenaicum.

The occurrence on Cirsium is not repeated by Vánky later on.

synonyms

Ustilago cardui Fischer von Waldheim, 1867.

references

Almaraz (1998a), Brandenburger (1985a), Buhr (1964b), Klenke & Scholler (2015a), Savchenko & Heluta (2012a), Scholz & Scholz (2013a), Tomasi (2014a), Vánky (1994a), Vánky & Berner (2003a).

mod 23.iii.2019