condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.07824533333333333 0.0 0.234736 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 3.5369053333333333 0.863436 8.74241 Root 0.073654 0.0 0.220962