condition mean min max Sterile Frond 3.3214609999999998 0.955213 7.66899 Fertile Frond 0.887802 0.0 2.26831 Young Stem with Root 0.8706633333333333 0.0 1.37721 Mature Stem with Root 0.9676566666666666 0.0 2.90297 Root 0.323653 0.0 0.970959