condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.1820223333333333 0.0 0.418635 Young Stem with Root 0.45046 0.0 1.35138 Mature Stem with Root 0.917185 0.0 2.12048 Root 8.300442666666667 0.0 24.1649