condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.16021166666666667 0.0 0.480635 Mature Stem with Root 0.0 0.0 0.0 Root 20.044179999999997 0.0 57.4954