When selecting hardwood flooring, consider factors such as the species of wood, the grade of the wood, the color, and the finish. The species of wood will affect the durability and appearance of the flooring. The grade of the wood refers to the quality of the wood, with higher grades being more consistent in color and texture. The color of the wood should match the decor of the room, and the finish will affect the sheen and durability of the flooring.