venturia bistortae (Sydow) Sivanesan, 1977

on Polygonum

parasite

Leaf spots with pycnidia; mouth edge with stout brown bristles, asci 10-14 x 40-50 µm, spores olive brown, 5-6 x 12-16 µµ.

host plants

Polygonaceae, monophagous

Polygonum.

synonyms

Spilosticta bistortae Sydow, 1923.

references

Brandenburger (1985a: 84).