condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.08010066666666667 0.0 0.240302 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 7.582886333333334 0.0 22.3335 Root 0.890409 0.0 2.45978