condition mean min max Sterile Leaflet 0.5835423333333333 0.0 0.921025 Fertile Leaflet with Sori 2.488883 0.311739 4.07808 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.429766 0.0 0.844023 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.05706 0.0 0.17118