First Report of White Rust of <i>Lunaria annua</i> Caused by <i>Albugo candida</i> in North America

Fig. 4. Sporangia produced by A. candida on L. annua, photographed using differential interference contrast microscopy.



Image from Plant Health Progress article:
First Report of White Rust of Lunaria annua Caused by Albugo candida in North America