condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 9.797366666666667 0.0 29.3921 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.21423599999999998 0.0 0.642708 Root 2.726779666666667 0.173844 7.81731