condition mean min max Sterile Frond 0.16462466666666667 0.0 0.493874 Fertile Frond 0.49488899999999997 0.0 0.98441 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 6.011233 0.0 17.5815 Root 0.153651 0.0 0.460953