condition mean min max Sterile Frond 3.39861 2.63694 4.1833 Fertile Frond 3.4372833333333337 2.70651 4.44772 Young Stem with Root 4.075786666666667 3.0837 5.75977 Mature Stem with Root 4.75099 3.93106 5.35671 Root 3.6886 1.47463 6.86577