A purple and red lesion of purple blotch, Septocyta ruborum, shown close-up on a blackberry cane.

A purple and red lesion of purple blotch shown close-up on a blackberry cane.; Netherlands Credit: Rasbak<br />Licensed under a <a href="https://creativecommons.org/licenses/by-sa/3.0/deed.en">Creative Commons Attribution-ShareAlike 3.0 Unported License</a>
Credit: Rasbak
Licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License