condition mean min max Sterile Frond 1.3347333333333333 0.0 3.66177 Fertile Frond 1.7343486000000001 0.0356543 5.09658 Young Stem with Root 12.698776 0.910898 35.6736 Mature Stem with Root 9.391051666666668 0.143088 27.8595 Root 0.2869708 0.0 0.81466