condition mean min max Sterile Frond 0.48214 0.0 1.44642 Fertile Frond 2.055012666666667 0.0 5.75661 Young Stem with Root 0.28426033333333334 0.0 0.852781 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0