condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 4.443623333333333 3.48265 5.77128 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.03247173333333333 0.0 0.0974152 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0