condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 6.0556916 0.0272548 15.2216 Root 0.5581753333333334 0.0 1.35952