condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.06993866666666666 0.0 0.209816 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 38.43864 0.0 107.751 Root 56.919666666666664 0.0 170.759