condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 2.1507333333333336 0.0 6.4522 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.064063 0.0 0.192189