Ramularia philadelphi Saccardo,1877
on Philadelphus
parasite
Leaf spots with caespituli. Conidia in chains, 3-5 x 8-20 µm, 0-1-septate.
host plants
Hydrangeaceae, monophagous
Philadelphus coronarius.
references
Brandenburger (1985a: 223), Braun (1998a).