condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.19786343333333334 0.0 0.495259 Young Stem with Root 2.3687899999999997 1.78945 2.92764 Mature Stem with Root 7.45344 1.3621 18.8666 Root 11.330423333333334 2.87107 27.0682