Xyloelixia

Xyloelixia is a genus of lichen-forming fungi in the family Xylographaceae. It comprises four species. The genus was established in 2022 to accommodate wood-dwelling species that were previously classified in Xylographa but form a distinct evolutionary lineage based on DNA analysis. Species are characterised by thalli dominated by dense clusters of granular isidia with blackened tips, and they produce confriesiic and friesiic acids as their main lichen products. The genus is known from widely scattered locations, including Australia, North America, and southern South America, but individual species appear to be rare and localised....read more on Wikipedia.