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 7.568881333333334 0.316804 16.7667 Root 0.8673273333333332 0.0 2.01238