condition mean min max Sterile Frond 0.3349509666666667 0.0424809 0.557957 Fertile Frond 0.40253920000000004 0.0748536 0.703674 Young Stem with Root 0.25449713333333335 0.0424015 0.654886 Mature Stem with Root 0.836925 0.18363 1.83772 Root 2.6586062333333333 0.0664145 7.83154