Spermosporina aricola Braun, 1993
Arum maculatum, Belgium, prov. Limbourg, Maasmechelen, Maaswinkel, 9.iv.2021 © Carina Van Steenwinkel
infected leaf, underside
detail of a leaf spot (underside); in the centre a stroma, on top of which conidia are formed
section through the stroma with conidiogenous cells
conidia: 0-1 septate, 3-5 x 8-22 µm
The conidia are slightly larger than the 2-3.5 x 8-16 µm in Braun’s description.