condition mean min max Sterile Frond 1.0999178 0.0229634 1.70333 Fertile Frond 0.992823 0.451719 1.26942 Young Stem with Root 3.4940366666666667 1.87334 5.66314 Mature Stem with Root 7.09873 3.80839 9.5251 Root 4.63625 1.47243 7.45812