condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.10976266666666668 0.0 0.329288 Mature Stem with Root 0.0 0.0 0.0 Root 2.703526666666667 0.0 8.11058