condition mean min max Cambium/Xylem 0.0 0.0 0.0 Wood 0.009954917761229785 0.0 0.03981967104491914 Vegetative shoot 0.0 0.0 0.0 Twig 0.0 0.0 0.0 Needle 0.003932719891809554 0.0 0.01966359945904777 Flower 0.0 0.0 0.0