condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 2.8456733333333335 0.0 8.53702 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.06418 0.0 0.19254 Root 0.40882833333333335 0.0 1.04665