Urocystis agropyri-campestris (Massenot) Zogg, 1958
on Elymus
gall
Elongate striae between the nerves of the leaf. The brownish black spore balls that are released here consist of 1-4 spores, (almost) completely wrapped in a layer of smaller sterile cells.
host plants
Poaceae, narrowly monophagous
Elytrigia atherica, campestris, pungens.
references
Almaraz (1998a), Klenke & Scholler (2015a), Redfern & Shirley (2011a), Spooner & Leon (2006a), Vánky (1994a).