A wide array of broadleaved species.
Across the entire structure of the living tree – often on pruning cut surfaces. Persists on dead trees and tree parts.
Annual. Found flat against the wood or as brackets. Small but often abundant – may cover entire areas of the tree. Begins a mauve-purple with a whitish rim and develops a downy whitish upper surface if it develops into a bracket. Can exude purple water droplets. Desiccates by shrinking slightly and developing a much whiter upper surface and darker mauve beneath.
Attributed to a white rot of the wood. Can act parasitically and cause host decline / death. Considered at times a latent pathogen that can widely and abundantly colonise following host tree stress. When isolated to pruning wounds, the colonisation may be less damaging – unless on fruit trees, where damage can become significant and sometimes rapidly. Extensive limb colonisations are suggestive of limb decline – the same notion applies to trunks, where dysfunctional columns develop.