condition mean min max Sterile Frond 2.5435566666666665 0.0 5.79519 Fertile Frond 7.98008 1.72067 19.671 Young Stem with Root 14.55033 4.33126 34.9727 Mature Stem with Root 14.79557 4.89268 31.3247 Root 20.407886 0.869358 46.5748