condition mean min max Sterile Frond 3.8330806666666666 0.290756 10.5838 Fertile Frond 0.8543839 0.0908677 1.84142 Young Stem with Root 0.2664026666666667 0.0 0.799208 Mature Stem with Root 0.345523 0.290174 0.441041 Root 0.549171 0.033113 1.18192