condition mean min max Sterile Frond 2.8540733333333335 1.05619 5.39261 Fertile Frond 2.35587 2.02995 2.80938 Young Stem with Root 0.0424722 0.035079 0.0477537 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0