condition mean min max Sterile Frond 1.5521489999999998 0.0 4.21184 Fertile Frond 2.56151 1.41888 3.13805 Young Stem with Root 0.660902 0.0 1.25263 Mature Stem with Root 0.28162366666666666 0.0 0.472471 Root 0.135139 0.0 0.405417