condition mean min max Sterile Frond 4.09557 1.51967 7.31534 Fertile Frond 6.298033333333334 4.49113 7.4977 Young Stem with Root 10.23481 2.84453 17.2659 Mature Stem with Root 7.86053 3.81661 12.4758 Root 5.63002 2.95059 9.53501