Here's what to know about the history of Ohio State football's helmet stickers, how they're given out and what's on them.

The first is a "small, shiny, dark brown nut with a light tan patch," according to Ohio State. The nut comes from the official state tree: a buckeye tree. According to the university's Museum of ...

At a glance, it could easily be mistaken for a marijuana leaf. The buckeye tree became the state tree of Ohio in 1953 but was already a popular symbol for the state as far back as the 1800s.

Buckeye leaves grow on buckeye trees, the official state tree of Ohio. The fruit of buckeye trees are — you guessed it — buckeyes, which are small, shiny, dark brown nuts with a light tan patch.