condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 3.3165099999999996 0.0 9.94953 Young Stem with Root 0.10870733333333334 0.0 0.326122 Mature Stem with Root 0.55238 0.0 1.65714 Root 0.24045666666666665 0.0 0.72137