condition mean min max Sterile Frond 0.543234 0.0 1.07815 Fertile Frond 7.378746666666666 0.0 20.3861 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.83578 0.0 1.58194 Root 0.06297333333333334 0.0 0.18892