condition mean min max Sterile Frond 0.5900256666666667 0.0 0.943514 Fertile Frond 3.27487 0.0 9.12885 Young Stem with Root 0.39179 0.0 1.17537 Mature Stem with Root 13.0976 0.0 26.5009 Root 0.49536 0.0 1.48608