condition mean min max Sterile Frond 2.96822 0.85647 4.25485 Fertile Frond 1.7971533333333334 1.53671 2.01639 Young Stem with Root 0.5675903333333333 0.375224 0.860647 Mature Stem with Root 1.1095899999999999 0.86654 1.38873 Root 0.15697233333333332 0.0 0.470917