condition mean min max Sterile Frond 10.357316666666666 4.98852 18.502 Fertile Frond 8.64569 5.94884 13.0105 Young Stem with Root 0.5707766666666667 0.0 1.23648 Mature Stem with Root 0.25136000000000003 0.172275 0.325561 Root 0.0 0.0 0.0