condition mean min max Sterile Frond 0.37353733333333333 0.0 0.88638 Fertile Frond 0.495273 0.0 0.815028 Young Stem with Root 0.014155099999999999 0.0 0.0424653 Mature Stem with Root 8.157643 0.0 23.5517 Root 0.4082666666666667 0.0 1.2248