Peronospora lathyri-pisiformis Nikolaeva, 1970
on Lathyrus
gall
underside of the leaves with a greyish white to greyish brown fungal cover of vertical conidiophores that apically several times are dichotomously branching, each branch ending upon a conidium.
host plants
Fabaceae, narrowly monophagous
Lathyrus pisiformis.
references
Brandenburger (1985a: 294), Klenke & Scholler (2015a.