condition mean min max Sterile Frond 46.83936666666666 36.9721 61.85 Fertile Frond 64.34886666666667 46.4545 96.9173 Young Stem with Root 91.4131 53.747 128.017 Mature Stem with Root 54.749900000000004 38.0319 79.2398 Root 48.7815 35.1778 72.0376