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).