Plant Parasites of Europe

leafminers, galls and fungi

Nannfeldtiomyces sparganii

Nannfeldtiomyces sparganii (Lagerheim) Vánky, 1981

on Sparganium

Nannfeldtiomyces sparganii on Sparganium erectum

Sparganium erectum, Belgium, prov. Antwerp, Herselt, Varenbroek, 2.x.20211 © Carina Van Steenwinkel

Nannfeldtiomyces sparganii on Sparganium erectum

lighted from behind

Nannfeldtiomyces sparganii on Sparganium erectum

opened leaf spot, with spore balls

Nannfeldtiomyces sparganii on Sparganium erectum

mass of spores

Nannfeldtiomyces sparganii on Sparganium erectum

spores, with mycelium remnants

Nannfeldtiomyces sparganii on Sparganium erectum

spores 9-12 x 13-20 µm.

gall

inconspicuous or yellowish brown, ill-delimited elongated leaf spots, up to 15 mm 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), Van Steenwinkel, Fraiture & Vanderweyen (2022a), Vánky (1981a, 1994a).

Last modified 17.iii.2022