condition mean min max Sterile Frond 0.3278635 0.0574625 0.816827 Fertile Frond 0.377579 0.0 0.999072 Young Stem with Root 0.34881866666666667 0.0 0.929244 Mature Stem with Root 6.568795 0.296821 18.9657 Root 0.883793 0.663792 1.26094