condition mean min max Sterile Frond 0.314288 0.0 0.652102 Fertile Frond 0.4391066666666667 0.0 1.31732 Young Stem with Root 6.9489339999999995 0.302522 17.8355 Mature Stem with Root 0.9113166666666666 0.0 2.3907 Root 0.09559000000000001 0.0 0.28677