condition mean min max Sterile Frond 3.73151 3.47304 4.05809 Fertile Frond 3.8385333333333334 3.65637 4.20201 Young Stem with Root 5.323793333333334 4.34825 7.26635 Mature Stem with Root 5.0946 4.45655 5.75652 Root 5.61228 2.20556 7.37513