condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 2.756396666666667 0.0 8.26919 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.20891099999999999 0.0 0.626733 Root 0.0 0.0 0.0