Stegocintractia capitata Vanky, Jage, Schlüter & Sluschny, 2008
on Juncus
gall
the ovaries are changed into a black, initially agglutinated, later powdery mass of spores, more or less concealed by the perianth. The infection is systemic, infested plants are more or less dwarfed.
host plants
Juncaceae, narrowly monophagous
Juncus capitatus.
references
Klenke & Scholler (2015a), Scholz & Scholz (2013a).