condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 3.6240666666666663 0.0 10.8722 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.21850333333333335 0.0 0.65551 Root 0.0 0.0 0.0