condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.7174566666666666 0.0 2.15237 Mature Stem with Root 0.0 0.0 0.0 Root 2.320183333333333 0.0 6.96055