condition mean min max Sterile Frond 0.8002566666666667 0.0 2.40077 Fertile Frond 0.764495 0.0 1.32729 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 13.31943 0.0 38.5936 Root 0.8429099999999999 0.0 2.52873