condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 1.8413199999999998 0.0 5.52396 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 11.4606 0.0 19.9336 Root 0.29638233333333336 0.0 0.889147