condition mean min max Sterile Frond 2.14246 0.0 5.12967 Fertile Frond 0.9882863333333334 0.168049 1.79598 Young Stem with Root 2.6876526666666667 0.60647 6.71885 Mature Stem with Root 2.7761440000000004 0.0 8.03367 Root 0.326508 0.0 0.835441