condition mean min max Sterile Frond 1.225808 0.898834 1.4315 Fertile Frond 1.80801 1.18899 2.77506 Young Stem with Root 2.9205266666666665 1.91773 4.0599 Mature Stem with Root 2.65908 2.05522 2.99045 Root 1.5005533333333334 1.01222 2.35754