condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 13.757166666666668 0.0 41.2715 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 1.0993266666666666 0.0 3.29798