condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 2.143683333333333 0.0 6.43105 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0317932 0.0 0.0554497 Root 0.22148443333333334 0.0863203 0.421818