Powdery Mildew, Ligustrum japonicum Japanese privet Microsphaera syringae Erysiphe syringae, Oregon, Portland, Multnomah, Seattle, Washington

Fig. 1. Appressorium of Microsphaera syringae formed on Ligustrum japonicum.



Image from Plant Health Progress article:
Powdery Mildew, Ligustrum japonicum Japanese privet Microsphaera syringae Erysiphe syringae, Oregon, Portland, Multnomah, Seattle, Washington