condition mean min max Sterile Frond 4.053986666666667 3.31247 4.46394 Fertile Frond 6.43558 3.07077 11.4843 Young Stem with Root 7.568136666666667 2.76868 13.8302 Mature Stem with Root 4.07922 2.17331 6.37171 Root 2.198912 0.530617 5.12347