The Black Mountains are named for the spruce-fir forest in the southern Appalachian Mountains that are an eco region of what sort of biome?
Southern Appalachian spruce–fir forest The southern Appalachian spruce–fir forest is an ecoregion of the temperate coniferous forests biome, a type of montane coniferous forest that grows in the highest elevations in the southern Appalachian Mountains of the eastern United States.
Pernambuco interior forests The "Pernambuco" interior forests (in reality Paraiba and Pernambuco forest/states and not only "Pernambuco") is an ecoregion of the Tropical and subtropical moist broadleaf forests Biome, and the South American Atlantic Forest biome. It lies in eastern Brazil between the coastal Pernambuco coastal forests and the dry Caatinga shrublands of Brazil's interior.