condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 39.728 0.0 119.184 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 1.954356 0.548718 4.119 Root 6.3668933333333335 1.14708 10.4953