Found this today

[waterman]

Did a little creek fishing at frozen head State Park and found this fossil in the creek bed. Any thoughts on what it is?

 

[RUGER]

Very neat.
Looks almost like a cactus.

 

[Dbllunger]

saltwater plant from when Tennessee was part of an ocean. Lepidodendron about 320 million years old.
http://tennesseefossils.com/FossilList/Lepidodendron.php

 

[mike243]

Seen something that looked just like that but may have been 18" tall and a fork, customer didn't have a clue what it was, it had a base glued to it.