Physoderma gerhardtii Schröter, 1886
on Poaceae
gall
up to 5 mm long blackish brown stripes on the leaves. Embedded in the tissue ovoid resting sporangia.
Contrary to Ph. graminis, that may occur on the same host plants, the growth and development of the host is not disturbed.
host plants
Poaceae, oligophagous
Alopecurus; Catabrosa aquatica; Cynosurus cristatis; Dactylis; Glyceria; Phalaroides arundinacea; Phleum; Puccinellia.
references
Brandenburger (1985a: 826), Klenke & Scholler (2015a).