condition mean min max Sterile Frond 4.2848 1.14767 7.9671 Fertile Frond 3.02514 2.22271 4.52302 Young Stem with Root 8.392916666666666 6.17413 10.5505 Mature Stem with Root 10.011843333333333 6.83428 15.4374 Root 5.20017 3.75254 7.75751