condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 3.3065420000000003 0.235524 8.98474 Young Stem with Root 3.0650600000000003 0.0 5.496 Mature Stem with Root 0.3336266666666667 0.0 1.00088 Root 0.7762813333333333 0.194742 1.70942