Bonsai Nut
Nuttier than your average Nut
This one will be more representative of the trees I see along the creeks when fishing. Their roots are often surrounding large rounded rocks.
I take it back... I went looking for photos and found a few. Here's one for motivation:
One wonders how that birch started up there. Perhaps there is a pocket of soil that it got established in and slowly extended roots over the sides and down to the ground.