condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 1.850771 0.952573 3.0944 Young Stem with Root 6.215599999999999 0.0 18.6468 Mature Stem with Root 1.3758633333333332 0.0 2.61801 Root 11.1984 0.0 22.148