condition mean min max Sterile Frond 0.10846933333333332 0.0 0.325408 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 6.764377 0.677541 14.2042 Mature Stem with Root 0.12776033333333334 0.0 0.383281 Root 0.0 0.0 0.0