Entyloma asteris-alpini Sydow, 1928
on Aster
gall
1-3 mm wide, round, lightly swollen leaf spots, changing from yellow to brown. Spores embedded in the host tissue, solitary or in small groups, smooth, translucent light yellow, 9-12 µm.
host plants
Asteraceae, narrowly monophagous
Aster alpinus.
references
Brandenburger (1985a: 611), Klenke & Scholler (2015a), Vánky (1994a).