Tilletia sterilis Ule 1886

on Festuca, Koeleria

gall

Leaves with long, parallel raised striae. They are yellowish gray at first, but whence the cuticula is gone masses of blackish brown spores erupt, smelling of old herring. The spores measure 18-24 x 20-30 µm; the wall has a reticulate structure.

host plants

Poaceae, oligophagous

Festuca ovina, valesiaca; Koeleria pyramidata; Poa nemoralis.

references

Buhr (1964b, 1965a), Klenke & Scholler (2015a), Scholz & Scholz (2013a), Tomasi (2014a), Vánky (1994a), Zogg (1983a).

mod 25.iii.2019