condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 6.060433333333333 0.0 18.1813 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 1.0574253333333332 0.0 2.76618 Root 0.460072 0.0 0.701289