condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.12167933333333332 0.0 0.365038 Mature Stem with Root 0.0 0.0 0.0 Root 12.854566666666667 0.0 36.1312