Plant Parasites of Europe

leafminers, galls and fungi

Urocystis triseti

Urocystis triseti (Ciferri) Zundel, 1953

on Trisetum


long, initially lead-coloured, striae over the leaves and leaf-sheaths, that upon rupturing release a blackish-brown powdery mass of spores. The spore balls consist of 1-6 spores, entirely surrounded by a layer of sterile cells.

host plants

Poaceae, monophagous

Trisetum alpestre, flavescens, spicatum.


Brandenburger (1985a: 819), Buhr (1965a), Denchev, Knudsen & Denchev (2020a), Klenke & Scholler (2015a), Lotze-Engelhard (2010a), Tomasi (2014a), Vánky (1994a).

Last modified 6.iv.2023