Nannfeldtiomyces sparganii (Lagerheim) Vánky, 1981
on Sparganium
gall
inconspicuous or yellowish brown, ill-delimited leaf spots, up to 15 cm in size,, where spore balls, mostly solitary, are embedded in the tissue. The beige spore ball, up to 0.5 mm large, consist of a loose network of hyphae and spores; there is no cortical layer.
host plants
Sparganiaceae, monophagous
Sparganium erectum.
references
Klenke & Scholler (2015a), Kruse, Thiel, Frauenberger ao (2019a), Scholz & Scholz (2013a), Vánky (1981a, 1994a).