condition mean min max Sterile Frond 1.180602 0.788634 1.89602 Fertile Frond 1.437079 0.910847 2.1663 Young Stem with Root 3.140633333333333 2.129 4.04533 Mature Stem with Root 4.0558499999999995 3.29614 5.03546 Root 3.2468133333333333 1.22307 4.65788