condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.29789933333333335 0.0 0.893698 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 3.3249 0.0 5.27072 Root 0.0 0.0 0.0