[2] It is a plant pathogen and saprophyte of dying or weakened trees such as sycamore, oak, or elm.

Ascospores of this fungus are transported by wind or rain that can infect existing wounds in trees.

[3][4] It can be identified by orange staining that can be seen on cut wood, and it has protruding ostioles.

[5] The fungus was originally described as Sphaeria tinctor by mycologist Miles Joseph Berkeley in 1845.

You can help Wikipedia by expanding it.This fungal plant disease article is a stub.