A mummified (old, unharvested) peach fruit with brown rot, Monilinia fructicola, covered with the fungal spores that can infect blossoms and fruit the next growing season.

Closeup of fruit mummy with brown rot sporulation; UC Davis Credit: Jack Kelly Clark
A mummified (old, unharvested) peach fruit with brown rot, Monilinia fructicola, covered with the fungal spores that can infect blossoms and fruit the next growing season. Credit: Jack Kelly Clark