condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.12894533333333333 0.0 0.386836 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.7003443333333333 0.0 1.28884 Root 4.575593 0.701289 12.0071