This disease can be found on mainly living trees, very rarely dead trees. Its common hosts are the following:
(Broad leaved trees) especially apple, walnut, plane, and ash.
Description – this is an annual fungal bracket generally up to 35 cm across. Young brackets are red brown in colour and have a felt texture. Old brackets are jet black and brittle. The growing margin is yellow and its underside has grey pores that shimmer, it is common to find drops of liquid. Its spore powder is yellow/brown.
This fungus can be found fruiting on trees June-October.
This fungus can be found fruiting on the stem and thick branches.
The fungus causes a white rot, and soft rot, which results in brittle fracture of the stem or branch.
THIS FUNGUS IS SIGNIFICANT WHEN FOUND ON ASH!