condition mean min max Sterile Frond 1.073262 0.424166 1.71914 Fertile Frond 2.90575 1.21447 4.42017 Young Stem with Root 9.311236666666666 6.18864 14.8743 Mature Stem with Root 57.6847 1.5666 147.131 Root 87.0311 20.6013 162.337