condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.242949 0.0 0.728847 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.13292833333333334 0.0 0.398785 Root 3.536693333333333 0.0 9.55168