Olpidium agrostidis Sampson, 1932
on Agrostis
gall
The above-ground parts of the plant are disfigured. the hair roots are swollen; each contains 1-10 ovoid, double-walled resting sporangia.
host plants
Poaceae, monofaag
references
Brandenburger (1985a: 799), Klenke & Scholler (2015a).