condition mean min max Sterile Frond 1.032244 0.0 2.29737 Fertile Frond 7.146603333333333 0.0 14.3454 Young Stem with Root 27.975333333333335 0.0 83.926 Mature Stem with Root 10.641259999999999 1.88988 19.3648 Root 48.40511333333333 1.21625 139.337