Marssonina betulae (Libert) Magnus, 1909

on Betula

Betula pendula, Texel, de Koog, 9.vi.2023 @ Mick Peerdeman, confirmed by William de Jong

detail, underside

conidia hyaline, 8-10 x 20-25 µm, 1-septate @ Cees Roobeek

parasite

Leaf spots with acervuli.

host plants

Betulaceae, monophagous

Betula pendula.

references

Brandenburger (1985a: 54), Green (2015a), Ivanová (2014a), Kozłowska, Mułenko & Heluta (2015a).