condition mean min max Sterile Frond 1.65842 0.0 3.79802 Fertile Frond 7.39198 1.65924 13.5486 Young Stem with Root 7.075365666666666 0.981117 15.9019 Mature Stem with Root 3.5096266666666662 0.0 8.31937 Root 6.77158 4.18626 11.6548