Powdery Mildew (Leveillula taurica) See our Resource page to see what we aim to cover in each post. What is Leveillula taurica? Leveillula taurica (also known as Oidiopsis taurica [1] in its asexual state) is a fungus which causes “powdery mildew” on plants among the Solanaceae, Alliaceae and Cucurbitaceae families [2]. However, some plants are naturally […]