condition mean min max Sterile Frond 4.8020700000000005 0.0 12.6645 Fertile Frond 0.8355903333333333 0.0 1.64151 Young Stem with Root 0.238675 0.0 0.380918 Mature Stem with Root 0.287327 0.0 0.861981 Root 0.12001266666666667 0.0 0.360038