condition mean min max Sterile Frond 0.045622666666666666 0.0 0.136868 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.093889 0.0 0.281667 Root 4.38847 0.0 11.7756