condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.2618393333333333 0.0 0.554044 Mature Stem with Root 1.6573166666666668 0.0 3.13025 Root 10.683118 0.218754 19.1195