condition mean min max Sterile Frond 4.0617 0.0 12.1851 Fertile Frond 2.9562333333333335 0.0 8.8687 Young Stem with Root 1.14904 0.0 3.44712 Mature Stem with Root 1.59112 0.0 3.9998 Root 0.0 0.0 0.0