Doassinga callitrichis (Liro,1939) Vánky, Bauer & Begerow, 1998

on Callitriche

Callitriche stagnalis, Belgium, prov. Antwerp, Laakdal, Ossenbroeken, 26.vii.2022 © Carina Van Steenwinkel: infected plant (ill-defined pale brown spots)

Callitriche stagnalis, Belgium, prov. Antwerp, Laakdal, Trichelbroek, 14.vi..2022 © Carina Van Steenwinkel: spore mass embedded in the plant tissue

spores 9-14 x 10-17 µm (n=165)

the spores germinate and from at the underside and upper side of the leaf multicellular basidia with basidiospores

basidiospores

measurements 1-1.5 x 16-65 µm (n=40)

Callitriche stagnalis, Belgium, prov. Antwerp, Nol, Buitengoor, 28.viii.2022 © Carina Van Steenwinkel: leaf with basidiospores

gall

vague greenish brown leaf spots. In the sori solitary, smooth, almost colourless spores, 9-14 x 10-16 µm.

host plants

Plantaginaceae, monophagous

Callitriche palustris, stagnalis.

synonyms

Entyloma callitriches Liro, 1939.

references

Brandenburger (1985a: 526), Klenke & Scholler (2015a), Van Steenwinkel & Fraiture (2023a), Thiel, Klenke, Kruse, ao (2023a), Vánky (1994a, 2012a), Vánky, Bauer & Begerow (1998a).