condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 1.0106866666666667 0.0 1.54516 Mature Stem with Root 2.391923666666667 0.0 7.01097 Root 5.40032 0.0 14.7371