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A crustose lichen species found on rock substrate. Thallus a typically dull grey colour, and black spot-like fruiting bodies (largest approx. 1mm dia.). Those fruiting bodies were unusual in that they appeared to be very smooth with angular edges, and raised with a flat surface. Not apothecia like most I've seen because they weren't cup-shaped - they looked more like tiny little choc chips :) Mostly grouped in small clusters, although some were isolated.
Spotted on a humble little rock on the Mt. Mathieson Trail at Mt. Mathieson, Spicers Gap. Wet sclerophyll forest, and this particular location was very well-sheltered and shaded. The area is part of Main Range National Park, and the Gondwana Rainforests of Australia World Heritage Area.
Some ID ideas would be welcomed. The species I'm leaning towards at the moment are: Buellia sp. and Paraporpidia sp., maybe P. leptocarpa. Ultimately, I just don't know. A comprehensive list of species (including fungi) at Main Range National Park - https://wetlandinfo.des.qld.gov.au/wetla...