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.

hostplants

Sparganiaceae, monophagous

Sparganium erectum.

references

Klenke & Scholler (2015a), Scholz & Scholz (2013a), Vánky (1981a, 1994a).

mod 21.vi.2018