condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 3.5507676666666668 0.945883 5.81907 Young Stem with Root 41.54000833333333 0.312225 67.2931 Mature Stem with Root 1.109491 0.385733 1.70272 Root 0.0903225 0.0 0.208041