condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 10.132066666666667 0.0 30.3962 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.5545536666666666 0.0 1.38981