Sorosphaerula veronicae (Schröter) Neuhauser & Kirchmair, 2011
on Veronica
Veronica spec., Belgium, prov. Limbourg, Diepenbeek, Dorpsbeemden, 25.iv.2021 © Carina Van Steenwinkel
swelling sometimes large and smooth
or quite small
when ripe they contain a mass of spores resembling brown sugar
detail of the mass of spores
the spores actually are spore balls
a single spore ball
the spore balls measure 20-25 µm; some are more oval, measuring 20-24 x 22-27.5 µm.
Veronica persica, Belgium, prov. Namur, Couvin, 5.iv.2015 © Sébastien Carbonnelle
gall
massive, up to 4 mm thick swelling of the stems, also veins and petioles; inside a cinnamon-coloured mass of spore balls.
host plants
Plantaginaceae, monophagous
Veronica arvensis, catenata, chamaedrys, filiformis, fruticans, hederifolia, persica, polita, triphyllos.
synonyms
Sorosphaera veronicae Schröter, 1886.
references
Blomfield & Schwartz (1910a), Brandenburger (1985a: 575, 896), Buhr (1965a), Dauphin & Aniotsbehere (1997a), Klenke & Scholler (2015a), Neuhauser, Kirchmair & Huber (2005a), Preece (2002a), Redfern & Shirley (2011a), Roskam (2009a).