condition mean min max Sterile Frond 5.83112 1.41268 13.6913 Fertile Frond 2.572103 0.276539 5.55941 Young Stem with Root 1.6349536666666666 0.490558 3.74028 Mature Stem with Root 2.694445 0.452975 5.10155 Root 0.9462543333333333 0.0 2.3727