condition mean min max Sterile Frond 4.124 0.0 6.36809 Fertile Frond 1.8822699999999999 0.0 4.1346 Young Stem with Root 0.6648666666666667 0.0 1.37721 Mature Stem with Root 1.877792 0.313366 3.94357 Root 0.0 0.0 0.0