condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 4.926 0.0 14.778 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.172875 0.0 0.35045 Root 0.4844366666666667 0.0 1.45331