condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 4.904982 0.358186 13.1806 Young Stem with Root 0.0682803 0.0 0.17245 Mature Stem with Root 0.0 0.0 0.0 Root 0.009754033333333334 0.0 0.0292621