condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 4.759154 0.0 13.5892 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.9138433333333333 0.0 5.74153 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0