Phyllosticta polygonorum Saccardo, 1879

on Persicaria, etc.

parasite

Leaf spots with pycnidia; conidia 2-4 x 5-11 µm.

host plants

Polygonaceae, oligophagous

Fallopia; Persicaria maculosa; Reynoutria.

references

Brandenburger (1985a: 87), Grove (1935a: 33).