First Report of Powdery Mildew (<i>Microsphaera palczewskii</i>) on Siberian Peashrub in Montana

Fig. 1. Chasmothecia of M. palczewskii on the abaxial surface of a C. arborescens leaf. Photo by E. Barge.



Image from Plant Health Progress article:
First Report of Powdery Mildew (Microsphaera palczewskii) on Siberian Peashrub in Montana