condition mean min max Sterile Frond 1.456483 0.814579 2.40809 Fertile Frond 1.35214 1.33618 1.37781 Young Stem with Root 0.9405233333333334 0.62637 1.17085 Mature Stem with Root 3.07256 2.09784 4.47476 Root 7.404916666666667 1.41715 10.7907