condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.49128333333333335 0.0 1.47385 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 2.39643 0.0 4.07319 Root 0.14799199999999998 0.0 0.443976