Powdery mildews are fungal pathogens of plants. There are many species of powdery mildew, and most are specific to just a few host plant species. We are studying when and where powdery mildews occur on Plantago species. You can hep advance our research by submitting photos of Plantago plants with white or grey powdery growth on leaves. https://penczykowskilab.com/community-science/ less ↑