condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 1.5389366666666666 0.0 4.61681 Young Stem with Root 3.3877 0.0 10.1631 Mature Stem with Root 0.0 0.0 0.0 Root 5.7762 0.0 17.3286