condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 23.24194 2.95893 63.6112 Young Stem with Root 14.003533333333333 0.0 30.7783 Mature Stem with Root 1.1873136666666666 0.130962 3.04696 Root 1.188321 0.118513 1.82486