condition mean min max Sterile Frond 0.7446446666666666 0.672728 0.879356 Fertile Frond 2.570421 0.669393 3.63795 Young Stem with Root 6.3731383 0.0 19.0537 Mature Stem with Root 2.0901 1.94222 2.36725 Root 7.045909666666667 0.236749 16.8351