condition mean min max Sterile Frond 4.721826666666667 0.0 11.0304 Fertile Frond 0.54717 0.0 1.64151 Young Stem with Root 0.12697266666666665 0.0 0.380918 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0