condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 1.2552400000000001 0.62068 1.63945 Young Stem with Root 7.922 0.0 12.2046 Mature Stem with Root 0.287612 0.111952 0.468548 Root 0.145468 0.0 0.297973