Perhaps Xanthoria elegans? it was very common on the rocks in a gully
Caution: Do NOT use iSpot to identify fungi to eat!
Some fungi are very poisonous so a mistaken ID could have serious consequences.
No interactions present.
I'm sure you're right with Xanthoria elegans. No idea about the other species.
Lat/Lng: 28.354612222222, -16.905236944444