condition mean min max Sterile Frond 4.028523333333333 1.43713 6.02652 Fertile Frond 4.91062 2.95484 7.13151 Young Stem with Root 4.46714 1.96203 6.20482 Mature Stem with Root 2.4843266666666666 1.16034 4.88864 Root 1.138649 0.0 2.67358