condition mean min max Sterile Frond 19.229943333333335 8.77733 38.8106 Fertile Frond 11.584206666666667 5.6242 22.9811 Young Stem with Root 0.44681 0.0 1.34043 Mature Stem with Root 3.19331 0.0 7.32684 Root 0.0 0.0 0.0