condition mean min max Sterile Frond 4.604523333333333 2.77079 7.14739 Fertile Frond 4.26014 3.20471 5.96349 Young Stem with Root 6.540906666666666 3.34072 9.98297 Mature Stem with Root 7.09598 3.18637 11.4594 Root 4.66632 1.22474 9.88463