condition mean min max Sterile Frond 0.010779366666666667 0.0 0.0323381 Fertile Frond 4.3569 0.0 13.0707 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 19.82984 3.32132 28.7584 Root 2.904207433333333 0.0569584 8.58556