I dunno! Looks kinda like some agaricus. Looks more saprophytic than symbiotic to me… feeding off that decaying tree.

Good looking young mushie there. Really hard to ID without many more features. Even mycologists are constantly reclassifying and disagreeing on IDs.

Look at how many latin names there are just on this one mushroom in a guide! Just goes to show we can still learn so much out in the woods…