condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.42232000000000003 0.0 1.26696 Young Stem with Root 2.0237233333333333 0.0 4.0029 Mature Stem with Root 0.47992666666666667 0.0 1.053 Root 1.00058 0.0 1.85592