condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 3.0471066666666666 0.0 9.14132 Mature Stem with Root 1.480762 0.398326 2.32227 Root 2.9822919999999997 0.432916 6.45982