condition mean min max Sterile Frond 1.078988 0.419124 1.49715 Fertile Frond 2.426443 0.793289 4.84041 Young Stem with Root 1.42885 0.55967 2.69135 Mature Stem with Root 1.259804 0.690792 2.27661 Root 0.645162 0.37886 1.08435