condition mean min max Sterile Leaflet 1.3161163333333334 0.133264 3.45758 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.291766 0.0 0.447145 Petiole 2.8591135 0.0671205 7.34493 Root 0.02283426666666667 0.0 0.0685028