condition mean min max Sterile Frond 0.46454066666666666 0.229573 0.764079 Fertile Frond 1.9125033333333332 1.14099 2.89693 Young Stem with Root 0.07127599999999999 0.0 0.213828 Mature Stem with Root 0.259505 0.216231 0.294582 Root 0.71846 0.0 2.15538