condition mean min max Sterile Frond 0.37954933333333335 0.0 0.602992 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.278821 0.0 0.836463 Mature Stem with Root 12.872940999999999 0.0 37.6663 Root 0.0 0.0 0.0