I answered that question this morning on my tablet and then got in my car drove 200 miles home. Lots of time to think ....I started wondering if that was Aesculus. For some reason, in my early morning sleep depraved pre-coffee state of mind, I thought that was a street grate, not a tree ring. Completely spaced the tree stump. Sorry Junker but I have to retract my first ID.
No Moon Maple.
My mother was born in Chicago - there used to be a lot of Chestnut trees there. Just the common edible Horse Chestnuts. 5 - 7 serrated leaflets coming off a central stem.
Daisy
