Plant Parasites of Europe

leafminers, galls and fungi

Physoderma trifolii

Physoderma trifolii (Passerini) Karling, 1950

on Trifolium


0.5-1 mm large, hyaline pustules in numbers on the leaves and on the disfigured petioles and stems.

host plants

Fabaceae, monophagous

Trifolium hybridum, incarnatum, montanum, pratense, repens, resupinatum, subterraneum.


Both Brandenburger and Klenke & Scholler discuss, as two separate species: Physoderma trifolii (Passerini) en Olpidium trifolii Schröter. However, the Index Fungorum (2015) treats Olpidium trifolii (Passerini) Schröter, 1886as an invalid synonym of Physoderma trifolii.


Brandenburger (1985a: 317), Buhr (1965a), Klenke & Scholler (2015a), Tomasi (2012a).

Last modified 9.x.2022