condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 2.6230233333333333 0.0 7.86907 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 11.385031999999999 0.724096 19.0922 Root 0.8156946666666667 0.0 2.31736