condition mean min max Sterile Frond 2.5210500000000002 0.0 7.56315 Fertile Frond 0.140773 0.0 0.422319 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0