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).