condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 1.8918433333333333 0.0 5.67553 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.13120266666666666 0.0 0.393608