condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.7175333333333334 0.0 2.1526 Mature Stem with Root 0.0 0.0 0.0 Root 2.82886 0.0 8.48658