Microbotryum bosniacum (Beck) Vánky, 1998
on Aconogonon
gall
the axis of the inflorescence and the pedicels, sometimes also the midrib of several leaves, is swollen and transformed into a brownish-violet powdery mass of spores.
host plants
Polygonaceae, narrowly monophagous
Aconogonon alpinum (= Polygonum, Persicaria).
synonyms
Ustilago bosniaca Beck, 1894; Sphacelotheca bosniaca (Beck) Maire, 1909; Sphacelotheca alpina Schellenberg, 1907.
references
Almaraz (1998a), Brandenburger (1985a: 87), Dauphin & Aniotsbehere (1997a), Klenke & Scholler (2015a), Llorens i Villagrasa (1984a), Mayor (1970a), Vánky (1994a).