condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 2.1793133333333334 0.0 6.53794 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.3232133333333333 0.0 0.7424