condition mean min max Sterile Frond 0.4585633333333334 0.0 1.37569 Fertile Frond 2.03503 0.0 4.86837 Young Stem with Root 12.602033333333333 0.0 37.8061 Mature Stem with Root 1.47846 0.849425 2.60876 Root 21.3823 0.0 64.1469