Willow Wood Planks (Biomes O' Plenty)

The Willow Wood Planks are a type of wood plank added by Biomes O' Plenty, which can be crafted out of Willow Wood. It can be used to build and to craft following blocks:
 * Willow Door
 * Willow Fence
 * Willow Fence Gate
 * Willow Wood Slabs
 * Willow Wood Stairs