condition mean min max Sterile Frond 0.068202 0.0 0.204606 Fertile Frond 0.08324166666666667 0.0 0.249725 Young Stem with Root 0.296805 0.0 0.890415 Mature Stem with Root 0.7655730000000001 0.0 2.0758 Root 3.4613753333333332 0.614946 9.09221