condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.0153401 0.0 0.0460203 Mature Stem with Root 12.88526 0.0 37.9529 Root 0.18799233333333332 0.0 0.563977