Red raspberry fruit that is decaying because it became infected with late leaf rust, Pucciniastrum americanum.

Red raspberry fruit that is decaying because it became infected with late leaf rust.; Hawaii Credit: Scot Nelson<br />Licensed under a <a href="https://creativecommons.org/publicdomain/zero/1.0/deed.en">Creative Commons CC0 1.0 Universal Public Domain Dedication</a>
Credit: Scot Nelson
Licensed under a Creative Commons CC0 1.0 Universal Public Domain Dedication