condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.2539453333333333 0.0 0.761836 Mature Stem with Root 6.479069999999999 0.0 16.8086 Root 2.4730766666666666 0.0 7.41923