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).