condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.005922933333333334 0.0 0.0177688 Mature Stem with Root 0.0 0.0 0.0 Root 7.4398333333333335 0.0 22.3195