condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.0077414 0.0 0.0232242 Mature Stem with Root 0.015210733333333332 0.0 0.0456322 Root 6.115067666666667 0.0 18.2215