condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.819829 0.0 2.04911 Young Stem with Root 0.12697266666666665 0.0 0.380918 Mature Stem with Root 5.143763333333333 2.25309 8.86829 Root 1.008797 0.0 2.65543