condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.18929866666666664 0.0 0.567896 Mature Stem with Root 0.377668 0.0 0.980922 Root 6.915463333333333 0.0 18.7795