condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 3.0246933333333335 0.0 9.07408 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.5178563333333334 0.0 0.910861 Root 0.16811399999999999 0.0 0.504342