Venturia atriseda Rehm, 1882

on Gentiana

parasite

Leaf spots with black pycnidia that around the mouth opening bear stout, dark brown spines, ≤ 85 µm. Asci 10-13 x 50-60 µm, spores brown, 4-5 x 18-20 µm.

host plants

Gentianaceae, monophagous

Gentiana asclepiadea, punctata.

references

Blumer (1946a), Brandenburger (1985a: 493).