condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.494961 0.0 1.12046 Young Stem with Root 3.18371 0.0 7.40712 Mature Stem with Root 0.5176306666666667 0.0 0.996963 Root 0.0 0.0 0.0