condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.4632233333333333 0.0 1.38967 Mature Stem with Root 5.85258 0.0 15.8682 Root 7.462466666666667 0.0 18.0684