condition mean min max Sterile Frond 0.7857500000000001 0.0 1.82864 Fertile Frond 2.2836166666666666 0.17976 6.49102 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 2.973104333333333 0.1626 8.28544 Root 0.309679 0.0 0.929037