condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 24.86863333333333 19.2658 32.1815 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.06290816666666667 0.0 0.166861 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.021904 0.0 0.0340352