condition mean min max Sterile Frond 0.265015 0.0 0.668969 Fertile Frond 2.0071733333333333 0.0 6.02152 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.4325886666666667 0.0 0.710379 Root 0.07391299999999999 0.0 0.221739