condition mean min max Sterile Frond 3.4850933333333334 0.0 7.35072 Fertile Frond 2.67326 1.73896 3.67485 Young Stem with Root 1.79255 1.5822 2.02229 Mature Stem with Root 1.8038100000000001 0.39814 3.20617 Root 0.254937 0.0 0.764811