condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 2.8871033333333336 0.0 8.66131 Mature Stem with Root 0.370205 0.0 0.848204 Root 2.9137663333333332 0.0 7.79675