condition mean min max Sterile Leaflet 3.2129266666666667 0.0 9.63878 Fertile Leaflet with Sori 3.07565 0.0 9.22695 Primary Rachis 2.3852033333333336 1.06645 4.56674 Secondary Rachis 2.293796 0.704689 5.44406 Petiole 2.324701 0.878673 3.92104 Crozier 3.418335 0.0 9.70379 Root 0.44329 0.0 1.32987