condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.357049 0.0 0.720281 Young Stem with Root 0.16284366666666666 0.0 0.488531 Mature Stem with Root 4.167882 0.0 11.5611 Root 0.718147 0.0 1.70573