Leptotrochila verrucosa (Wallroth) Schüepp, 1959

on Crucianella, Galium, Sherardia

Galium aparine, Belgium, prov. Antwerp, Arendonk, 14.iii.2020 © Carina Van Steenwinkel

infection on the somewhat older parts

young apothecia

mature apothecia

apothecia also on the stems

ascus

ascospores

gall

Underside of the leaves with initially globular, later dish-shaped dark brown apothecia, 03-0.7 mm in size and embedded in the leaf tissue.

host plants

Rubiaceae, oligophagous

Crucianella angustifolia Galium aparine, mollugo, odoratum, saxatile; Sherardia arvensis.

notes

The anamorph stage is Phyllachora punctiformis (Fuckel) Fuckel, 1870 [= S. punctiforme (Fuckel) Petrak, 1920].

references

Brandenburger (1985a), Dennis (1977a), Dietrich (2016b), Ellis & Ellis (1995a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kriegsteiner (1994a), Kruse (2019a), Kruse & Jage (2014a), Negrean (1995a), Negrean & Denchev (2000a).