condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.81598 0.0 2.44794 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 2.974855 0.732525 4.37842 Root 0.4005811 0.0120669 1.11422