condition mean min max Sterile Frond 11.629843333333334 6.21943 15.9882 Fertile Frond 10.470826666666667 6.6352 14.9183 Young Stem with Root 10.51549 8.21824 14.9124 Mature Stem with Root 10.48256 7.65848 13.1034 Root 3.16068 2.31982 3.64874