An interesting relationship going on here, which has been confirmed as Ganoderma australe colonising a larch specimen through microscopic analysis by a professional mycologist. This particular larch is wonderfully clad with ivy, though is still alive (just!). I came across this approximately a week ago and was quick to get it assessed, given the rarity of the relationship.
Not much to add here, besides reiterating it being a very infrequent occurrence – if at all recorded before and subsequently confirmed, in the UK. Cool, eh!