condition mean min max Sterile Frond 0.067298 0.0 0.129625 Fertile Frond 25.9276 3.55793 69.807 Young Stem with Root 15.059188333333333 0.702765 31.5323 Mature Stem with Root 6.582359 0.741137 17.4952 Root 12.754962 0.824586 23.359