condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 4.317726666666666 0.214236 12.3746 Root 0.12612333333333334 0.0 0.37837