First Report of Powdery Mildew of <i>Gaillardia</i> × <i>grandiflora</i> (Blanket Flower) Caused by <i>Leveillula taurica</i> in North America

Fig. 1B. Powdery mildew symptoms caused by L. taurica on Gaillardia X grandiflora. B. Infected leaves showing adaxial surface (top) and abaxial surface (bottom).



Image from Plant Health Progress article:
First Report of Powdery Mildew of Gaillardia × grandiflora (Blanket Flower) Caused by Leveillula taurica in North America