condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.08033933333333333 0.0 0.241018 Mature Stem with Root 0.9666182 0.0610196 1.89659 Root 3.376059333333333 0.11376 9.26732