condition mean min max Sterile Frond 2.63031 2.23264 3.35019 Fertile Frond 3.4310199999999997 3.23011 3.63617 Young Stem with Root 4.73011 2.86802 6.51066 Mature Stem with Root 3.1427333333333336 2.45265 3.77694 Root 3.06095 2.48986 3.48343