Urocystis alopecuri Frank, 1880

on Alopecurus

Alopecurus spec., Belgium, prov. Limbourg, Gerhoeven, de Rammelaars, 31.v.2019 © Carina Van Steenwinkel. Most plants are sterilised by the infection; this is one was an exception.

leaf with linear sori

sorus, still covered by the epidermis

older stage

old sori

spore balls

spore balls

gall

Elongated, initially lead grey fungal infestations of the leaves. Later spore balls are formed here. They consist of 2-3 spores, surrounded by a layer of sterile cells.

host plants

Poaceae, monophagous

Alopecurus aequalis, arundinaceus, geniculatus, myosuroides, pratensis.

references

Brandenburger (1985a: 824), Buhr (1964b), Klenke & Scholler (2015a), Kruse (2014a, 2019a), Lotze-Engelhard (2010a), Redfern & Shirley (2011a), Scholz & Scholz (2013a), Spooner & Leon (2006a), Vánky (1994a).