First Report of <i>Phragmidium violaceum</i> Infecting Himalaya and Evergreen Blackberries in North America

Fig. 2. Uredinia and urediniospores of Phragmidium violaceum infecting flower buds and leaves of Rubus armeniacus (photo by A. Trippe).



Image from Plant Health Progress article:
First Report of Phragmidium violaceum Infecting Himalaya and Evergreen Blackberries in North America