Physoderma ruebsaamenii (Magnus) Karling, 1950

on Rumex

gall

up to 3 cm long sausage-shaped tumors of the roots. In cavities resting sporangia are formed that are almost 50 µm in diameter.

host plants

Polygonoaceae, narrowly monophagous

Rumex scutatus.

synonyms

Urophlyctis ruebsaamenii Magnus, 1901.

references

Brandenburger (1985a: 89), Buhr (1965a), Klenke & Scholler (2015a).