condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.120047 0.0 0.360141 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 23.443299999999997 0.0 70.3299 Root 2.331166666666667 0.0 6.9935