FIGURE 2. Photographs of fruiting body of Podosphaera filipendulensis on the surface of infected leaf (AMH 9934, holotype) a. Cleistothecia (arrows) in between leaf trichomes. b–f. Cleistothecia with appendages. Scale bars: b, c = 60 μm, d = 30 μm, e = 25 μm, f = 30 μm.