condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 1.8261733333333332 0.0 5.47852 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.47113999999999995 0.0 1.41342