You know I’m fascinated by fungi. No, this is not to eat! but there so many varieties and different ways they grow. They’re found in unexpected places. This crop on a rotting stump.
A Google image search says it might be this type of ruffled mushroom.
Trichaptum abietinum is a species of poroid fungus in the order Hymenochaetales. It is saprophytic, growing from dead conifer wood. The white-gray cap is 1–4 cm wide and usually no more than .5 thick, shelved and fanlike, with brownish and leathery flesh. The spores are white, cylindrical, and smooth. Wikipedia
Grandkids atop the playhouse in the backyard, a few years ago.
Lawn ball atop stand in Joan’s Garden
Christmas Tree atop fence post on Arlington Avenue