condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.37596 0.0 1.12788 Mature Stem with Root 0.8951633333333334 0.0 2.68549 Root 19.960103333333333 0.0 53.7946