condition mean min max Sterile Frond 3.5624599999999997 2.71643 4.47002 Fertile Frond 6.48742 4.00835 11.0919 Young Stem with Root 6.17455 3.87718 8.87888 Mature Stem with Root 6.540796666666667 4.42581 7.78779 Root 5.662816666666667 4.16751 6.72062