condition mean min max Sterile Frond 3.613948 0.0 10.5068 Fertile Frond 0.12601733333333334 0.0 0.378052 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.20891099999999999 0.0 0.626733 Root 0.0 0.0 0.0