condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.6729566666666668 0.0 2.01887 Mature Stem with Root 0.0 0.0 0.0 Root 3.404033333333333 0.0 10.2121