Urocystis triseti (Ciferri) Zundel, 1953

on Trisetum

gall

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.

references

Buhr (1965a), Klenke & Scholler (2015a), Lotze-Engelhard (2010a), Tomasi (2014a), Vánky (1994a).

mod 26.iii.2019