First Report of <i>Erysiphe knautiae</i> (Erysiphales) on <i>Lomelosia caucasica</i> (Caucasian Pincushion Flower) in North America

Fig. 3. Germinating conidium with germ tube ending in lobed appressorium. Differential interference contrast. Bar = 10 μm.



Image from Plant Health Progress article:
First Report of Erysiphe knautiae (Erysiphales) on Lomelosia caucasica (Caucasian Pincushion Flower) in North America