I was hesitant with my identification of this fungus at first as previous examples I’ve seen have been yellow and jelly-like – poke them and they wobble.
Then I read, on the First Nature website, that ‘in dry weather this fungus becomes a hard orange bracket’. Also, this particular fungus feeds on other fungi, crusts in the Peniophora genus, and I couldn’t see any crusts on this branch. First Nature explains it again:
Very little or none of the Peniophora may be visible; this is because Tremella mesenterica feeds on the mycelium of the Peniophora fungus, and that can be deep inside the timber rather than on its surface. The fruiting body of the crust fungus does not even have to be present, therefore, and so it may look as though Yellow Brain is feeding directly on the host wood.
So, reassured by the website’s explanations, I believe I can confidently say this is Yellow brain fungus (Tremella mesenterica). Happy Fungi Friday!
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