That's very interesting looking, but I have no idea. I think some of the Facebook groups are focused on mushroom ID and you might get a lot more answers on one of those.
This site has a lot of ideas about how to use fungi in permaculture and how to cultivate them.
Thanks for that, I will do as you suggest. Another permaculture friend has suggested they are blue qondong seeds that have passed through a bird. Since bird sit on the clothesline they may have deposited them underneath. I have had some seasonal rainforest birds visiting the garden, so I'm keeping that suggestion as a possibility also. Thanks for the links.
"Fruit is produced after four years and is red or sometimes yellow, measuring 20 and 25 mm across. A 3 mm layer of flesh covers a brain-like nut with a hard shell that encases the seed. This fruit is referred to as a drupe, it ripens from green to a shiny red in late spring or summer, and is globe shaped and 20 – 40 mm across. The skin of the fruit is waxy."