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

Fig. 4. Four-celled teliospore of Phragmidium violaceum (photo by M. C. Aime).



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