condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.09424199999999999 0.0 0.282726 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 4.325929 0.0 12.4388 Root 0.9229707666666667 0.0 2.67141