condition mean min max Sterile Frond 0.12939633333333334 0.0 0.388189 Fertile Frond 3.1631226666666663 0.0 8.69849 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