Ustilago ceparum Głowacki, 1891

on Allium

gall

Sori in the bulb and in the leaves contain a reddish brown powdery spore mass. Spores 7-11 µm, verruculose.

hostplants

Amaryllidaceae, monophagous

Allium cepa.

references

Vánky (1994a).