condition mean min max Sterile Frond 2.01143 0.0 3.76018 Fertile Frond 3.3834999999999997 0.0 6.4895 Young Stem with Root 0.775655 0.0 1.98476 Mature Stem with Root 0.5677533333333333 0.0 1.70326 Root 0.18043833333333334 0.0 0.390636