Fir Wood Planks (Biomes O' Plenty)

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