condition mean min max Sterile Frond 0.988155 0.0 2.56018 Fertile Frond 0.7887026666666667 0.0 1.51936 Young Stem with Root 2.2128166666666664 0.0 3.75636 Mature Stem with Root 1.6211200000000001 0.0 3.24339 Root 0.826448 0.129398 2.1721